technical memorandum€¦ · to: lisa chandler e‐mail: [email protected] from: brad...

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TECHNICAL MEMORANDUM Galt Environmental Pty Ltd www.galtenv.com.au 4/15 Walters Drive OSBORNE PARK WA 6017 T: +61 (8) 62720200 ABN: 96 520 810 622 J1601242 002 TM Rev1 20 December 2016 To: Lisa Chandler email: [email protected] From: Brad Palmer Sender’s email: [email protected] PRELIMINARY ACID SULFATE SOIL STUDY PROPOSED POTASH PROJECT LAKE WELLS Dear Lisa, 1. INTRODUCTION This technical memorandum presents the results Galt Environmental Pty Ltd’s (Galt’s) preliminary acid sulfate soil (ASS) study undertaken at the location for a proposed potash mining project at Lake Wells (the site). The location of the site relative to the surrounding location is shown on Figure 1, Site and Location Plan. The work was authorised by Matthew Shackleton from Australian Potash Limited (APL) via a signed client authorisation form dated 18 November 2016. This document supersedes J1601242 001 TM Rev0 dated 14 December 2016 and addresses comment received from you via an email dated 16 December 2016. 2. SITE DESCRIPTION AND PROPOSED DEVELOPMENT Based on the supplied information, we understand that a potash mining project is proposed for a portion of Lake Wells located approximately 180 km of Laverton. We further understand that submissions for the initial environmental approvals for a smallscale brine evaporation trial are currently being prepared and this preliminary ASS study is required to support these submissions. We understand APL proposes to implement a smallscale evaporation trial in 2017. The trial will involve pumping up to 650 m 3 of brine from an existing production bore into a nominal 52 m x 85 m lined pond complex to allow production of a 20 tonne bulk sample of potash salts. 3. PROJECT OBJECTIVES The objectives of the study were to: broadly assess the nature and extent of ASS conditions across the site; and make recommendations for further studies (if required). Note: In additional to characterising the nature and extent as ASS, additional laboratory testing was conducted to establish baseline concentrations of heavy metals and total organic carbon (TOC) at the site.

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Page 1: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

TECHNICAL MEMORANDUM  

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 T: +61 (8) 6272‐0200 

  ABN: 96 520 810 622 

 

J1601242 002 TM Rev1  20 December 2016 

To: Lisa Chandler  e‐mail: [email protected] 

From: Brad Palmer  Sender’s email: [email protected] 

PRELIMINARY ACID SULFATE SOIL STUDY PROPOSED POTASH PROJECT LAKE WELLS 

 

Dear Lisa, 

1. INTRODUCTION 

This technical memorandum presents the results Galt Environmental Pty Ltd’s  (Galt’s) preliminary acid sulfate soil  (ASS) study 

undertaken at the location for a proposed potash mining project at Lake Wells (the site). The location of the site relative to the 

surrounding location is shown on Figure 1, Site and Location Plan.  

The work was authorised by Matthew Shackleton from Australian Potash Limited (APL) via a signed client authorisation form dated 

18 November 2016.  

This document supersedes J1601242 001 TM Rev0 dated 14 December 2016 and addresses comment received from you via an 

email dated 16 December 2016.  

2. SITE  DESCRIPTION  AND  PROPOSED  DEVELOPMENT 

Based on the supplied information, we understand that a potash mining project is proposed for a portion of Lake Wells located 

approximately 180 km of Laverton. We further understand that submissions for the initial environmental approvals for a small‐

scale brine evaporation trial are currently being prepared and this preliminary ASS study is required to support these submissions.  

We understand APL proposes to implement a small‐scale evaporation trial in 2017.  The trial will involve pumping up to 650 m3 of 

brine from an existing production bore into a nominal 52 m x 85 m lined pond complex to allow production of a 20 tonne bulk 

sample of potash salts.  

3. PROJECT  OBJECTIVES 

The objectives of the study were to:  

broadly assess the nature and extent of ASS conditions across the site; and 

make recommendations for further studies (if required). 

Note:  In  additional  to  characterising  the nature and extent  as ASS, additional  laboratory  testing was  conducted  to establish 

baseline concentrations of heavy metals and total organic carbon (TOC) at the site.  

Page 2: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | 2  ABN: 96 520 810 622 

 

4. FIELDWORK 

The fieldwork was conducted on 21 to 23 November 2016 and comprised: 

a walkover and inspection of the site; 

advancement of hand‐augered boreholes at 7 locations to depths of 0.5 m to 1.0 m;  

excavation of test pits at 2 locations to a depths of between and 0.4 m and 1.5 m; and 

collection of representative samples for inspection and laboratory testing. 

General  

Test  locations were  selected and positioned by a geotechnical engineer  from Galt and a  site  representative  from APL.   Test 

locations were recorded using a handheld GPS accurate to about 5 m in the horizontal plane.  The engineer undertook the site 

walkover, augered the boreholes, observed the test pits, logged the materials encountered and selected representative samples 

for laboratory testing. 

Boreholes and Test Pits 

Hand auger boreholes were advanced with a manually operated hand auger supplied and operated by a Galt representative. Test 

pits were excavated at locations PL06 and PL10 with machinery operated by a contractor to GRL.   

Borehole reports and summary test pit logs are presented in Attachment B along with a method of soil description, a method of 

cementation classification and a list of explanatory notes and abbreviations used in the reports.   

Soil Sampling  

Soil samples were collected from boreholes and test pits in accordance with the following guideline and Australian Standard (AS): 

Department of Environmental Regulation (DER) (2015)  Identification and  Investigation of Acid Sulfate Soils and Acidic 

Landscapes; and 

AS 4482.1 (2005) Guide to the Investigation and Sampling of Sites with Potentially Contaminated Soil Part I Non‐Volatile 

and Semi Volatile Compounds. 

Samples were collected using disposable nitrile gloves and placed in laboratory supplied plastic zip‐lock bags.  The samples were 

then placed in a chilled cooler until submission to the laboratory for analysis.  

Acid Sulfate Soil Field Testing 

Soil samples were tested for pH before (pHF) and after (pHFOX) rapid oxidation with hydrogen peroxide (H2O2).  The field tests were 

undertaken to provide an indication of soil types likely to have the potential to generate acidity as a result of oxidation during 

earthworks.  Test results are presented in Table A1. 

5. LABORATORY  TESTING 

Laboratory analysis was undertaken using the suspension peroxide oxidation combined acidity and sulfur (SPOCAS) and chromium 

reducible sulfur (CRS) methods which provides acid base accounting and quantification of potential acid generation.  In addition, 

unpulverised samples were tested using the SPOCAS and CRS methods to gain an understanding of the natural acid neutralising 

capacity (ANC) available in the soil.  

Additional analysis was undertaken for a range of heavy metals and TOC to establish baseline conditions for the site.   

Page 3: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | 3  ABN: 96 520 810 622 

 

Analysis of soil samples was undertaken by Eurofins in their NATA accredited laboratory.  Laboratory test results are presented in 

Attachment C.   

6. SITE  CONDITIONS  

6.1 Geology 

The  Throssell  sheet  of  the  1:250,000  scale  Geological  series maps  indicates  that  the  site  is  likely  to  be  underlain  by  sand 

(windblown dunes) or clay (playa lakes), depending on the location of testing.  

6.2 Subsurface Conditions 

The  subsurface  conditions encountered at  the  sampling  locations,  located across  the playa  lakes  in  this  study  (Figure 1) are 

summarised as follows:  

SAND,  fine  to medium  grained, white/pale brown/yellow,  trace  fines,  trace organics,  trace  fine  gravel,  salt  crust  at 

surface, typically loose to medium dense, dry, present from surface to depths of between 0.1 m and 0.3 m; overlying 

SAND  /  Silty  SAND,  predominantly  fine  grained,  pale  brown/brown,  non‐plastic  fines,  trace  gravel, moist,  typically 

medium dense, present to maximum depth of investigation (1.0 m). 

Clayey soil was encountered below the surficial sand layer at PL‐01 which is located on the western edge of the playa. This material 

can be described as: 

Clayey SAND/Sandy CLAY; fine grained, low to medium plasticity, brown, trace gravel, moist/wet, firm to stiff, present 

below surficial sand to maximum depth of investigation (1.0 m). 

Test pits PL06 and PL10 were located in the transition between the high dune area and the playa lakes. Material encountered at 

these test pits can be described as:  

Silty Clayey SAND, fine to medium grained, brown, low plasticity, moist.  

Note: Material from the high dune system was not sampled as part of this study. 

6.3 Acid  Sulfate  Soils 

The DER ASS  risk mapping  indicates  that  the playa  lakes within  the area are mapped as having high  to moderate  risk of ASS 

occurrence.   Areas outside the playa lakes are mapped as having no known risk of ASS.   

The ASS risk mapping is shown on Figure 2.  

7. ENVIRONMENTAL ASSESSMENT 

7.1 Acid  Sulfate  Soils 

7.1.1. Assessment  Criteria 

In most cases, field pH values (pHF) of <3 to 4 indicate the presence of actual acid sulfate soils (AASS), thus indicating acids in the 

soil profile have oxidised. 

The presence of unoxidised acids or potential acid sulfate soil (PASS) is indicated if: 

Page 4: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | 4  ABN: 96 520 810 622 

 

a strong reaction with hydrogen peroxide is observed; 

the pHFOX is at least 1 pH unit below pHF; or 

the pHFOX is <3 to 4 and one or both of the above conditions apply. 

The texture based net acidity action criteria presented in the DER (2015) Identification and Investigation of Acid Sulfate Soils and 

Acidic  Landscapes guideline document  specifies  a  value of 0.03 %S based on  the  anticipated  volume of  soil proposed  to be 

disturbed being greater than 1,000 tonnes.  As such, this value has been adopted for the assessment of net acidity in soils across 

the site. 

7.1.2. Field  Testing  Results  

Soil field testing results are presented in Table A1, Acid Sulfate Soil Test Results and are discussed below. 

Field pHF test results for all soil samples ranged from 5.5 (BH01/0.0 m) to 8.8 (BH01/1.25 m, BH04/4.75 m, BH04/5.50 m). 

Field pHFOX test results were lower, ranging from 4.2 (BH03/6.75 m) to 6.4 (BH02/0.25 m, BH04/6.00 m). 

Differences between pHF and pHFOX levels in individual soil samples ranged from 0.9 (BH02/0.25 m) to 3.3 (BH02/4.25 m).  

During oxidation, 121 out of the 124 samples displayed a low reaction with three samples displaying a moderate reaction.  

7.1.3. Laboratory  Analysis  

The acid sulfate soil analytical results using the SPOCAS and CRS methods are presented in Table A1 and are discussed below.  

Titratable actual acidity (TAA), titratable sulfidic acidity (TSA), titratable peroxide acidity (TPA), peroxide oxidisable sulfur 

(SPOS) and CRS concentrations were below the laboratory limit of report (LOR) in all samples. 

The calculated net acidity was <0.02 %S in all samples. 

All samples displayed moderate to high levels of excess ANC (taken from the SPOCAS suite) and total ANC (taken from 

the CRS suite) during standard testing and testing of unpulverised samples.  

7.1.4. Summary  

The study indicates that ASS are not present in the material tested. Furthermore, appreciable quantities of ANC are presented 

within the soils tested suggesting that the material has significant self‐buffering ability.  

We note that this samples taken during this study were generally of shallow material (i.e. from less than 1.0 m depth). In the event 

that  significant excavations below 1 m are  required as part of mining operations, additional  characterisation of ASS may be 

required.  Furthermore, the testing done is sparse compared with the test frequency recommended by the DER. 

7.2 Heavy Metals  and  Total  Organic  Carbon 

The results of heavy metal and TOC analysis are presented in Table A2 and are discussed below.  

The concentrations of the majority of heavy metals were recorded either below the laboratory LOR or marginally (1 to 2 

orders of magnitude) above the laboratory LOR.  

The concentrations of aluminium and  iron were 4  to 5 orders of magnitude higher than  the  laboratory LOR which  is 

consistent with the expected chemical composition of the material.  

High concentrations of calcium, magnesium, phosphorus, sodium and sulfur were detected in the majority of samples 

and this is consistent with the known composition of soils from the playa.  

The concentration of TOC was either below or marginally above the LOR in all samples.  

Page 5: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | 5  ABN: 96 520 810 622 

 

8. CONCLUSION   

Based on the results of the study, we make the following conclusions:  

ASS are not present within the materials tested;  

significant quantities of ANC are present in the natural soils indicating that the material has appreciable self‐buffering 

capacity; and 

the metals and TOC analysis is considered to a suitable baseline for the establishment of current site conditions.  

9. CLOSURE   

We draw your attention Attachment D of this report, “Understanding your Report”.  The information provided within is intended 

to inform you as to what your realistic expectations of this report should be.  Guidance is also provided on how to minimise risks 

associated with groundworks for this project.  This information is provided not to reduce the level of responsibility accepted by 

Galt, but to ensure that all parties who rely on this report are aware of the responsibilities each assumes in so doing. 

Yours Faithfully, 

GALT ENVIRONMENTAL PTY LTD 

 

Brad Palmer 

Environmental Scientist 

 

O:\Jobs\2016\J1601242 ‐ Goldphyre SI Lake Wells\03 Correspondence\J1601242 002 TM Rev0.docx 

 

Page 6: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

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ED

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Creek

ARevFig No

±

CLIENT

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TITLE

Job No

O:\Jobs\2016\J1601242 - Goldphyre SI Lake Wells\09 GIS\04 MXD\GE\J1601242-001.mxd (PaulRolfe) 20/12/2016 9:41:10 AM

SCALE

DRAWN

CHECKED

DATE DRAWN

DATE CHECKED

1:100,000

GDA 1994 MGA Zone 51PROJECTION

BP20/12/2016

PIR(A3)SITE LOCATION

LakeThrossell

AUSTRALIAN POTASH LIMITEDPROPOSED POTASH PROJECTLAKE WELLSSITE & LOCATION PLAN -PLANT AND POND SITE

FIGURE 1J1601242

20/12/2016

0 1600 3200 4800 6400 8000

Meters

LegendArea of Interest

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A Hand Auger Borehole)Ó"" Test PitED Test Pit - Hand Excavated

Potential Borrow Material LocationsCreek

COPYRIGHT © 2016 THIS FIGURE AND ITS CONTENTS REMAINS THE PROPERTY OF GALTENVIRONMENTAL PTY LTD AND MAY NOT BE REPRODUCED WITHOUT PRIOR APPROVAL.THIS FIGURE SHOULD BE READ IN CONJUNCTION WITH THE ACCOMPANYING REPORT.

ACNTelAddress

: 161 708 998: +61 (0)8 6272-0200

Galt Environmental Pty Ltd

: Unit 4, 15 Walters DriveOsborne Park WA 6017

Page 7: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

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O:\Jobs\2016\J1601242 - Goldphyre SI Lake Wells\09 GIS\04 MXD\GE\J1601242-002.mxd (PaulRolfe) 20/12/2016 9:45:18 AM

SCALE

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1:100,000

GDA 1994 MGA Zone 51PROJECTION

BP20/12/2016

PIR(A3)SITE LOCATION

LakeThrossell

AUSTRALIAN POTASH LIMITEDPROPOSED POTASH PROJECTLAKE WELLSACID SULFATE SOIL RISK MAPPING -PLANT AND POND SITE

FIGURE 2J1601242

20/12/2016

0 1600 3200 4800 6400 8000

Meters

LegendArea of Interest

National ASS CSIRO - lowHigh Risk of

Ð#

A Hand Auger)Ó"" Test PitED Test Pit - Hand Excavated

Potential Borrow Material LocationsCreek

COPYRIGHT © 2016 THIS FIGURE AND ITS CONTENTS REMAINS THE PROPERTY OF GALTENVIRONMENTAL PTY LTD AND MAY NOT BE REPRODUCED WITHOUT PRIOR APPROVAL.THIS FIGURE SHOULD BE READ IN CONJUNCTION WITH THE ACCOMPANYING REPORT.

ACNTelAddress

: 161 708 998: +61 (0)8 6272-0200

Galt Environmental Pty Ltd

: Unit 4, 15 Walters DriveOsborne Park WA 6017

Page 8: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Table A1: Acid Sulfate Soil Testing Results 

pHf

pHfox

pHf ‐ pHfox

Reaction Rate

pH  KCl

pH  OX

Titratab

le Actual 

Acidity 

Titratab

le Peroxide 

Acidity

Titratab

le Sulfidic 

Acidity

Peroxide 

Oxidisab

le Sulfur

Acid Neutralising 

Cap

acity

Acid Neutralising 

Cap

acity 

(Unpulverised)

Net Acidity

Titratab

le Actual 

Acidity 

Chromium 

Reducible Sulfur

Acid Neutralising 

Cap

acity

Acid Neutralising 

Cap

acity 

(Unpulverised)

Net Acidity

Date Location Depth (m)pH

units

pH

units

pH

unitsLMHXV

pH

unitspH units %S %S %S %S %S %S %S %S %S %S %S %S

4 4 1 NV NV NV 0.03 0.03 0.03 0.03 NV NV 0.03 0.03 0.03 NV NV 0.03 NV

22/11/2016 PL‐01/0.2‐0.4 0.2‐0.4 SAND: fine to coarse grained, white/pale orange, trace fine gravel 5.6 5.7 ‐0.1 M 8.8 6.9 <0.02 <0.02 <0.02 <0.02 0.35 0.22 <0.02 <0.02 <0.005 2.1 2.1 <0.02 NASS

22/11/2016 PL‐09/0.2‐0.5 0.2‐0.5 Clayey SAND / Sandy CLAY: fine to medium grained, brown, low plasticity 7.0 5.9 1.1 M 8.9 7.5 <0.02 <0.02 <0.02 <0.02 0.36 0.72 <0.02 <0.02 <0.005 3.6 5.9 <0.02 NASS

22/11/2016 PL‐10/0.1‐0.3 0.1‐0.3 Silty / Clayey SAND, fine to medium grained, brown, low plasticity, very soft to soft, wet 7.6 5.5 2.1 M 8.4 6.4 <0.02 <0.02 <0.02 <0.02 0.07 0.09 <0.02 <0.02 <0.005 0.66 0.61 <0.02 NASS

22/11/2016 PL‐04/0.2‐0.8 0.2‐0.8 SAND: fine to medium grained, pale brown/yellow, trace fines,trace fine gravel 8.1 5.8 2.3 M 8.8 6.6 <0.02 <0.02 <0.02 <0.02 0.26 0.12 <0.02 <0.02 <0.005 1.3 1.4 <0.02 NASS

22/11/2016 PL‐07/0.2 0.2 SAND: fine grained, brown, with some plastic fines, trace gravel 5.6 5.0 0.6 M 8.9 7.3 <0.02 <0.02 <0.02 <0.02 0.86 0.31 <0.02 <0.02 <0.005 1.5 1.2 <0.02 NASS

22/11/2016 PL‐03/0.2‐1.0 0.2‐1.0 SAND / Silty SAND: fine grained, pale brown, non‐plastic fines,locally brown 8.0 5.9 2.1 M 9 7 <0.02 <0.02 <0.02 <0.02 0.45 0.3 <0.02 <0.02 <0.005 2.3 2.3 <0.02 NASS

22/11/2016 PL‐06/1.5 1.5 Silty Clayey SAND, fine to medium grained, brown, low plasticity, moist, typically firm 6.6 5.5 1.1 M 8.2 6.6 <0.02 <0.02 <0.02 <0.02 0.1 NA <0.02 <0.02 <0.005 0.28 0.35 <0.02 NASS

22/11/2016 S10/0.0‐0.2 0.0‐0.2 Clayey SAND / SAND: fine to medium grained, red, plastic fines 8.1 5.8 2.3 M 5.1 4.5 <0.02 <0.02 <0.02 <0.02 NA NA <0.02 <0.02 <0.005 NA NA <0.02 NASS

22/11/2016 CREEK/0.0‐0.2 0.0‐0.2 SAND; fine to coarse grained, red/brown, trace gravel and fines 8.0 5.8 2.2 M 5.1 4.5 <0.02 <0.02 <0.02 <0.02 NA NA <0.02 <0.02 <0.005 NA NA <0.02 NASS

Acid Sulftae Soil Classification

Assessment Criteria

Chromium Reducible Sulfur SuiteSuspended Peroxide Oxidation and Combined Acidity Sulfur Suite

Soil Description

Sample ID

Field Observations Lab pH

Page 9: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Table A2: Metals and Organic Carbon Testing Results

Date Location Depth (m)

22/11/2016 PL‐01/0.2‐0.4 0.2‐0.4 7900 < 10 2.9 12 < 2 < 10 70 < 0.4 19 < 5 < 5 6800 < 5 62 < 0.1 < 5 < 5 < 2 < 0.2 < 10 < 10 98 29 39 8.4 120000 29000 61 1300 210 6700 97000 < 0.1

22/11/2016 PL‐09/0.2‐0.5 0.2‐0.5 9600 < 10 2.7 21 < 2 < 10 79 < 0.4 30 < 5 18 11000 < 5 150 < 0.1 < 5 7.4 < 2 < 0.2 < 10 < 10 140 11 52 14 50000 38000 110 2900 270 24000 46000 0.3

22/11/2016 PL‐10/0.1‐0.3 0.1‐0.3 3400 < 10 < 2 < 10 < 2 < 10 < 10 < 0.4 9.1 < 5 < 5 3800 < 5 55 < 0.1 < 5 < 5 < 2 < 0.2 < 10 < 10 53 < 10 10 6.1 120000 9200 83 1300 260 16000 100000 < 0.1

22/11/2016 PL‐04/0.2‐0.8 0.2‐0.8 12000 < 10 < 2 30 < 2 < 10 72 < 0.4 25 < 5 7.3 12000 < 5 150 < 0.1 < 5 6.2 < 2 < 0.2 < 10 < 10 160 200 33 21 160000 24000 260 1500 500 4600 130000 0.3

22/11/2016 PL‐07/0.2 0.2 1000 < 10 < 2 < 10 < 2 < 10 38 < 0.4 < 5 < 5 < 5 1100 < 5 15 < 0.1 < 5 < 5 < 2 < 0.2 < 10 < 10 17 30 12 < 5 170000 10000 65 780 220 6100 130000 0.1

22/11/2016 PL‐03/0.2‐1.0 0.2‐1.0 9600 < 10 < 2 10 < 2 < 10 170 < 0.4 19 < 5 8.7 8100 < 5 98 < 0.1 < 5 < 5 < 2 < 0.2 < 10 < 10 110 24 29 12 120000 33000 150 1100 180 5600 100000 0.3

22/11/2016 PL‐06/1.5 1.5 9300 < 10 3.3 11 < 2 < 10 28 < 0.4 35 < 5 6.7 13000 5.4 67 < 0.1 < 5 6 < 2 < 0.2 < 10 < 10 160 < 10 48 13 460 6000 27 2500 260 4900 870 < 0.1

22/11/2016 S10/0.0‐0.2 0.0‐0.2 7000 < 10 3.4 10 < 2 < 10 < 10 < 0.4 150 < 5 11 54000 11 110 < 0.1 < 5 5.8 < 2 < 0.2 < 10 < 10 260 < 10 150 6 100 300 13 120 250 89 56 < 0.1

22/11/2016 CREEK/0.0‐0.2 0.0‐0.2 690 < 10 < 2 15 < 2 < 10 < 10 < 0.4 16 < 5 < 5 4700 < 5 25 < 0.1 < 5 < 5 < 2 < 0.2 < 10 < 10 34 < 10 13 < 5 130 190 82 360 270 79 88 < 0.1

Iron (mg/kg)

Sample ID

Aluminium (mg/kg)

Antimony (m

g/kg)

Arsen

ic (mg/kg)

Barium (mg/kg)

Bismuth (mg/kg)

Beryllium (mg/kg)

Boron (mg/kg)

Cad

mium (mg/kg)

Chromium (mg/kg)

Cobalt (m

g/kg)

Copper (mg/kg)

Van

adium (mg/kg)

Lead

 (mg/kg)

Man

ganese (mg/kg)

Mercury (mg/kg)

Molybdenum (mg/kg)

Nickel (mg/kg)

Selenium (mg/kg)

Silver (m

g/kg)

Thalliu

m (mg/kg)

Tin (mg/kg)

Titanium (mg/kg)

Uranium (mg/kg)

Sodium (mg/kg)

Sulfur (m

g/kg)

Total O

rgan

ic Carbon (mg/kg)

Zinc (m

g/kg)

Calcium (mg/kg)

Magnesium (mg/kg)

Phosphorus (m

g/kg)

Potassium (mg/kg)

Silicon (mg/kg)

Page 10: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

 

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

  ABN: 96 520 810 622 

 

ATTACHMENT A 

Site Photographs

Page 11: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | A1  ABN: 96 520 810 622 

 

 

Photograph 1: Hand auger location on the playa 

 

Photograph 2: View across the playa 

Page 12: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

J1601242 002 TM Rev1        20 December 2016     

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

Page | A2  ABN: 96 520 810 622 

 

 

Photograph 3: Creek sampling location 

 

Photograph 4: Hand auger location on the playa 

Page 13: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

 

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

  ABN: 96 520 810 622 

 

ATTACHMENT B 

Soil Borehole Reports

Page 14: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

EXPLANATORY NOTES TO BE READ WITH BOREHOLE AND TEST PIT REPORTSMETHOD OF DRILLING OR EXCAVATION

AC Air Core E Excavator PQ3 PQ3 Core Barrel

AD/T Auger Drilling with TC‐Bit EH Excavator with Hammer PT Push Tube

AD/V Auger Drilling with V‐Bit HA Hand Auger R Ripper

AT Air Track HMLC HMLC Core Barrel RR Rock Roller

B Bulldozer Blade HQ3 HQ3 Core Barrel SON Sonic Rig

BH Backhoe Bucket N Natural Exposure SPT Driven SPT

CT Cable Tool NMLC NMLC Core Barrel WB Washbore

DT Diatube PP Push Probe X Existing Excavation

SUPPORTT Timbering

PENETRATION EFFORT (RELATIVE TO THE EQUIPMENT USED)

VE Very Easy E Easy F Firm

H Hard VH Very Hard

WATER

Water Inflow Water Level

Water Loss (complete)

Water Loss (partial)

SAMPLING AND TESTINGB Bulk Disturbed Sample P Piston Sample

BLK Block Sample PBT Plate Bearing Test

C Core Sample U Undisturbed Push‐in Sample

CBR CBR Mould Sample U50: 50 mm diameter

D Small Disturbed Sample SPT Standard Penetration Test

ES Environmental Soil Sample Example: 3, 4, 5   N=9

EW Environmental Water Sample 3,4,5: Blows per 150 mm

G Gas Sample N=9: Blows per 300 mm after

HP Hand Penetrometer          150 mm seating interval

LB Large Bulk Disturbed Sample VS Vane Shear; P = Peak

M Mazier Type Sample R = Remoulded (kPa)

MC Moisture Content Sample W Water Sample

ACID SULFATE SOILS 

NASS Non acid sulfate soils 

PASS Potential acid sulfate soils

AASS  Actual acid sulfate soils pHF pH of soil:water 

pHFOX pH of soil:water following reaction with hydrogen sulfide 

Net Acidity   Chromium Reduciable Sulfur + Titratable actual acidity

O:\Administration\Standard Forms and Documents\PMP19 Explanatory Notes Rev0 EnviroGalt Form PMP19

RL1 February 2010

Page 15: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

METHOD OF SOIL DESCRIPTIONBOREHOLE AND TEST PIT REPORTSGRAPHIC LOG & UNIFIED SOIL CLASSIFICATION SYSTEM (USCS) SYMBOLSGraphic USCS Soil Name Graphic USCS Soil Name

FILL (various types) SM

COBBLES ML

BOULDERS MH

GP GRAVEL (poorly graded) CL

GW GRAVEL (well graded) CI

GC Clayey GRAVEL CH

SP SAND (poorly graded) OL

SW SAND (well graded) OH

SC Clayey SAND Pt

RESISTANCE TO EXCAVATIONSymbol Term

VE Very easy

E Easy

F Firm

H Hard

VH Very hard

SOIL CLASSIFICATION AND INFERRED STRATIGRAPHYSoil descriptions are based on AS1726‐1993, Appendix A.  Material properties are assessed in the field by visual/tactile methods

in combination with field testing techniques (where used).

PARTICLE SIZE PLASTICITY PROPERTIESParticle Size (mm)

>200

63 to 200

Coarse 20 to 63

Medium 6 to 20

Fine 2 to 6

Coarse 0.6 to 2.0

Medium 0.2 to 0.6

Fine 0.075 to 0.2

SILT 0.002 to 0.075

CLAY <0.002

MOISTURE CONDITION AS1726‐1993

Symbol Term

D Dry

M Moist 

W Wet

CONSISTENCY AND DENSITY AS1726‐1993 and HB160‐2006

Symbol Term

Undrained Shear 

Strength (kPa) SPT "N"

DCP blows 

per 100 mm Symbol Term

Density 

Index (%) SPT "N"

DCP blows 

per 100 mm

PSP Blows 

per 300 mm

VS Very Soft 0 to 12 0 to 2 <1 VL Very Loose <15 0 to 4 <1 0 to 2

S Soft 12 to 25 2 to 4 <1 L Loose 15 to 35 4 to 10 1 to 2 2 to 6

F Firm 25 to 50 4 to 8 1 to 2 MD Medium Dense 35 to 65 10 to 30 2 to 3 6 to 8

St Stiff 50 to 100 8 to 15 3 to 4 D Dense 65 to 85 30 to 50 4 to 8 8 to 15

VSt Very Stiff 100 to 200 15 to 30 5 to 10 VD Very Dense >85 >50 >8 >15

H Hard >200 >30 >10 Note: PSP correlations only valid to 450 mm depth

Consistency and density may also be inferred from excavation performance and material behaviour.

Description

All resistances are relative to the selected method of excavation

Soil Name

Sands and gravels are free flowing.  Clays and silts may be brittle or friable and powdery.

Soils exude free water.  Sands and gravels tend to cohere.

Soils are darker than in the dry condition and may feel cool.  Sands and gravels tend to cohere.

Description

BOULDERS

COBBLES

GRAVEL

SAND

FINES

Silty SAND

SILT (low liquid limit)

PEAT

Organic SILT (high liquid limit)

Organic SILT (low liquid limit)

CLAY (high plasticity)

CLAY (medium plasticity)

CLAY (low plasticity)

SILT (high liquid limit)

0

10

20

30

40

0 20 40 60 80

Plasticity Index (%

)

Liquid Limit (%)

CL ‐ low plasticity clay

CI ‐mediumplasticity clay

CH ‐ high plasticity clay

OH or MH ‐high liquid limit siltOL or ML ‐

low liquid limit silt

OL or ML ‐ low liquid limit silt

CL/ML ‐ clay/silt

O:\Administration\Standard Forms and Documents\PMP17 Method of Soil Description‐Rev4‐envirologo

Galt Form PMP17

RL2 February 2015

Page 16: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

ASS-PS-01

SAMPLE ORFIELD TEST

SAND: fine to coarse grained, white/pale orange, trace fine gravel

Clayey SAND/Sandy CLAY: fine grained, high plasticity, brown,trace gravel

Becoming Sandy Clay

Hole terminated at 0.80 mTarget depthGroundwater not encountered

F

D

M

W

SP

SC-CH

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

UR

EC

ON

DIT

ION

Sampling

US

CS

SY

MB

OL

RE

CO

VE

RE

D

DE

PT

H(m

etre

s)

DEPTH

Field Material DescriptionDrilling

ME

TH

OD

PE

NE

TR

AT

ION

RE

SIS

TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL01

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

Comments:

GA

LT L

IB 1

.01.

GLB

Log

GG

_EX

CA

VA

TIO

N J

1601

242.

GP

J <

<D

raw

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ile>

> 1

4/12

/201

6 12

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3 D

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l DG

D, C

PT

, Pho

to, M

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ring

Too

ls |

Lib:

GA

LT 1

.01

2013

-02-

21 P

rj: G

ALT

1.0

1 20

13-0

2-21

STRUCTURE ANDADDITIONAL

OBSERVATIONS

0.0

0.5

1.0

Page 17: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

ASS-PL-03

SAMPLE ORFIELD TEST

SAND: fine to medium grained, white/pale yellow, tracenon-plastic fines, trace fine gravel

Silty SAND: fine grained, pale brown, non-plastic fines, locallybrown

Hole terminated at 1.00 mTarget depthGroundwater not encountered

MDM

SP

SM

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

UR

EC

ON

DIT

ION

Sampling

US

CS

SY

MB

OL

RE

CO

VE

RE

D

DE

PT

H(m

etre

s)

DEPTH

Field Material DescriptionDrilling

ME

TH

OD

PE

NE

TR

AT

ION

RE

SIS

TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL03

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

Comments:

GA

LT L

IB 1

.01.

GLB

Log

GG

_EX

CA

VA

TIO

N J

1601

242.

GP

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/201

6 12

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3 D

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l DG

D, C

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, Pho

to, M

onito

ring

Too

ls |

Lib:

GA

LT 1

.01

2013

-02-

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rj: G

ALT

1.0

1 20

13-0

2-21

STRUCTURE ANDADDITIONAL

OBSERVATIONS

0.0

0.5

1.0

Page 18: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

ASS-PL-04

SAMPLE ORFIELD TEST

SAND: fine to medium grained, pale brown/yellow, trace fines,trace fine gravel

Silty SAND: fine to medium grained, brown, non-plastic fines

SAND: medium to coarse grained, pale yellow/white

Hole terminated at 1.00 mTarget depthGroundwater encountered at 0.9 m

MD

D

M

W

SP

SM

SP

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

UR

EC

ON

DIT

ION

Sampling

US

CS

SY

MB

OL

RE

CO

VE

RE

D

DE

PT

H(m

etre

s)

DEPTH

Field Material DescriptionDrilling

ME

TH

OD

PE

NE

TR

AT

ION

RE

SIS

TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL04

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

Comments:

GA

LT L

IB 1

.01.

GLB

Log

GG

_EX

CA

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TIO

N J

1601

242.

GP

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Too

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Lib:

GA

LT 1

.01

2013

-02-

21 P

rj: G

ALT

1.0

1 20

13-0

2-21

STRUCTURE ANDADDITIONAL

OBSERVATIONS

0.0

0.5

1.0

Page 19: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

B(HA-PL05-1)

SAMPLE ORFIELD TEST

SAND: fine grained, white/yellow, trace fine gravel, with somenon-plastic fines

Silty SAND: fine to medium grained, brown, low liquid limit silt

Brown/dark brown, fines content decreasing

Hole terminated at 1.00 mTarget depthGroundwater encountered at 0.8 m

L /MD

MD

D

M

W

SP

SM

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

UR

EC

ON

DIT

ION

Sampling

US

CS

SY

MB

OL

RE

CO

VE

RE

D

DE

PT

H(m

etre

s)

DEPTH

Field Material DescriptionDrilling

ME

TH

OD

PE

NE

TR

AT

ION

RE

SIS

TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL05

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

Comments:

GA

LT L

IB 1

.01.

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Page 20: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

B(HA-PL07-1)

SAMPLE ORFIELD TEST

SAND: fine to medium grained, white/yellow, trace fine gravel,with some non-plastic fines

Fine grained, brown, with some plastic fines, trace gravel

Silty SAND: Fine grained, brown, low liquid limit silt, trace gravel

Fine grained, brown, with some plastic fines, trace gravel

Hole terminated at 1.00 mTarget depthGroundwater encountered at 0.8 m

MD

D

M

W

SP

SM

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

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ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

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Sampling

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Field Material DescriptionDrilling

ME

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NE

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AT

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RE

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TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL07

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

Comments:

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Page 21: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

B(HA-PL09-1)

SAMPLE ORFIELD TEST

SAND: fine to medium grained, brown, trace fines, trace gravel

Clayey SAND / Sandy CLAY: fine to medium grained, brown, lowplasticity

Hole terminated at 0.50 mRefusalGroundwater encountered at 0.2 m

L

S

D

W

SP

SC-CL

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

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EC

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DIT

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Sampling

US

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ME

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TA

NC

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TE

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Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-PL09

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

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0.0

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Page 22: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

GR

AP

HIC

LOG

ASS-S-10

SAMPLE ORFIELD TEST

SAND: fine to medium grained, red, with some non-plastic fines,trace fine gravel

Silty SAND: fine to medium grained, red, low liquid limit silt

Hole terminated at 0.75 mRefusal on cemented materialGroundwater not encountered

MDD

SP

SM

HA

Sketch & Other Observations

CO

NS

IST

EN

CY

DE

NS

ITYSOIL/ROCK MATERIAL DESCRIPTION

MO

IST

UR

EC

ON

DIT

ION

Sampling

US

CS

SY

MB

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RE

CO

VE

RE

D

DE

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H(m

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DEPTH

Field Material DescriptionDrilling

ME

TH

OD

PE

NE

TR

AT

ION

RE

SIS

TA

NC

E

WA

TE

R

RL

Operator: GaltInclination: -90°

Job Number: J1601242

Client: Australian Potash Limited

Project: Lake Wells Protash Project

Location: Lake Wells

Date: 23/11/2016

Logged: PCWChecked Date: 14/12/2016

Checked By: BP

HAND AUGER BOREHOLE: HA-S10

See Explanatory Notes and Method of Soil Description sheets fordetails of abbreviations and basis of descriptions

Sheet 1 OF 1

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1 20

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STRUCTURE ANDADDITIONAL

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0.0

0.5

1.0

Page 23: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

 

SUMMARY TEST PIT REPORTS  

 

www.galtenv.com.au 4/15 Walters Drive, OSBORNE PARK WA 6017 

Page | 1  Galt Environmental Pty LtdABN: 96 520 810 622

 

Job Number:  J1601242  Date Performed: 23/11/2016 Client:  Australian Potash Limited  Logged By: PCW 

Project:  Proposed Potash Project   Location:  Lake Wells   

TEST PIT PL‐06 (Excavated using Loader in basin / drain) Test Depth (m)  Stratigraphy 

0.0 – 0.9 Surficial soils (presumed to be SAND and Silty SAND based on stockpiled materials); excavated prior to inspection. 

0.9 – 1.3 Silty SAND, fine to medium grained, pale brown,  low  liquid  limit silt, trace gravel (salt crystals). 

1.3 – 1.5 Silty Clayey SAND, fine to medium grained, brown,  low plasticity, moist, typically firm. 

End of test pit at 1.5 m Target Depth Groundwater not encountered 

 

Hand Excavated Test Pit – PL‐10 Test Depth (m)  Stratigraphy 

0.0 – 0.1 Salt / SAND Crust, thin layer of sand and salt crystals 

0.1‐0.4 Silty / Clayey SAND, fine to medium grained, brown, low plasticity, very soft to soft, wet 

End of borehole at 0.4 m Collapse (Excavation below water table) Groundwater at 0.1 m 

Page 24: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

 

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

  ABN: 96 520 810 622 

 

ATTACHMENT C 

Laboratory Certificates of Analysis  

Page 25: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Certificate of Analysis

Galt Environment P/L

2/39 Flynn St

Wembley

WA 6014

Attention: Michael Carmichael

Report 525328-S

Project name GOLDPHYRE SI LAKE WELLS

Project ID J1601242

Received Date Nov 28, 2016

Client Sample ID PS-01_0.2-0.4 PS-09_0.2-0.5 PS-10_0.1-0.3 PS-04_0.2-0.8

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-No24401 B16-No24402 B16-No24403 B16-No24404

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 8.8 8.9 8.4 8.8

pH-OX 0.1 pH Units 6.9 7.5 6.4 6.6

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 < 2

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2 < 2 < 2 < 2

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Sulfur - KCl Extractable 0.02 % S 10 2.7 15 11

Sulfur - Peroxide 0.02 % S 10.0 3.0 14 11

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02 0.29 < 0.02 0.82

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10 180 < 10 510

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Calcium - KCl Extractable 0.02 % Ca 14 3.3 20 14

Calcium - Peroxide 0.02 % Ca 13 3.6 18 15

Acid Reacted Calcium 0.02 % Ca < 0.02 0.28 < 0.02 0.99

acidity - Acid Reacted Calcium 10 mol H+/t < 10 140 < 10 490

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02 0.23 < 0.02 0.79

Magnesium - KCl Extractable 0.02 % Mg 0.18 0.36 0.27 0.10

Magnesium - Peroxide 0.02 % Mg 0.42 0.81 0.33 0.31

Acid Reacted Magnesium 0.02 % Mg 0.24 0.45 0.06 0.21

acidity - Acid Reacted Magnesium 10 mol H+/t 200 370 49 180

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S 0.32 0.59 0.08 0.28

Acid Neutralising Capacity 0.02 %CaCO3 1.1 1.1 0.21 0.80

Acid Neutralising Capacity - Acidity units 10 mol H+/t 220 230 43 160

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S 0.35 0.36 0.07 0.26

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02 < 0.02 < 0.02 0.10

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10 < 10 < 10 63

Liming rate - SPOCAS 1 kg CaCO3/t < 1 < 1 < 1 5.0

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 1 of 11

Report Number: 525328-S

NATA AccreditedAccreditation Number 1261Site Number 20794

Accredited for compliance with ISO/IEC 17025 – TestingThe results of the tests, calibrations and/ormeasurements included in this document are traceableto Australian/national standards.

Page 26: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID PS-01_0.2-0.4 PS-09_0.2-0.5 PS-10_0.1-0.3 PS-04_0.2-0.8

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-No24401 B16-No24402 B16-No24403 B16-No24404

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

Chromium Suite

pH-KCL 0.1 pH Units 8.8 8.9 8.4 8.8

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005 < 0.005 < 0.005 < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3 < 3 < 3 < 3

Sulfur - KCl Extractable 0.02 % S 10 2.7 15 11

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 6.7 11 2.1 4.1

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t 1300 2200 410 810

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S 2.1 3.6 0.66 1.3

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (Sulfur Units) 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10 < 10 < 10 < 10

Liming RateS01 1 kg CaCO3/t < 1 < 1 < 1 < 1

Extraneous Material

<2mm Fraction 0.005 g 170 110 170 170

>2mm Fraction 0.005 g < 0.005 < 0.005 < 0.005 < 0.005

Analysed Material 0.1 % 100 100 100 100

Extraneous Material 0.1 % < 0.1 < 0.1 < 0.1 < 0.1

% Moisture 1 % 24 33 24 19

Client Sample ID PS-07_0.2 PS-03_0.2-1.0 PS-06_1.5 S-10_0.0-0.2

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-No24405 B16-No24406 B16-No24407 B16-No24408

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 8.9 9.0 8.2 5.1

pH-OX 0.1 pH Units 7.3 7.0 6.6 4.5

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 8.0

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2 < 2 < 2 3.0

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Sulfur - KCl Extractable 0.02 % S 16 11 0.10 < 0.02

Sulfur - Peroxide 0.02 % S 14 11 0.11 < 0.02

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10 < 10 < 10 < 10

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 2 of 11

Report Number: 525328-S

Page 27: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID PS-07_0.2 PS-03_0.2-1.0 PS-06_1.5 S-10_0.0-0.2

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-No24405 B16-No24406 B16-No24407 B16-No24408

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

Calcium - KCl Extractable 0.02 % Ca 21 15 0.07 < 0.02

Calcium - Peroxide 0.02 % Ca 20 14 0.07 < 0.02

Acid Reacted Calcium 0.02 % Ca < 0.02 < 0.02 < 0.02 < 0.02

acidity - Acid Reacted Calcium 10 mol H+/t < 10 < 10 < 10 < 10

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Magnesium - KCl Extractable 0.02 % Mg 0.11 0.19 0.10 < 0.02

Magnesium - Peroxide 0.02 % Mg 0.23 0.43 0.16 < 0.02

Acid Reacted Magnesium 0.02 % Mg 0.12 0.25 0.06 < 0.02

acidity - Acid Reacted Magnesium 10 mol H+/t 96 200 47 < 10

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S 0.15 0.32 0.08 < 0.02

Acid Neutralising Capacity 0.02 %CaCO3 2.7 1.4 0.31 n/a

Acid Neutralising Capacity - Acidity units 10 mol H+/t 540 280 63 n/a

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S 0.86 0.45 0.10 n/a

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10 < 10 < 10 < 10

Liming rate - SPOCAS 1 kg CaCO3/t < 1 < 1 < 1 1.0

Chromium Suite

pH-KCL 0.1 pH Units 8.9 9.0 8.2 5.1

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 8.0

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005 < 0.005 < 0.005 < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3 < 3 < 3 < 3

Sulfur - KCl Extractable 0.02 % S 16 11 0.10 < 0.02

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 4.8 7.3 0.89 n/a

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t 950 1400 180 n/a

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S 1.5 2.3 0.28 n/a

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (Sulfur Units) 0.02 % S < 0.02 < 0.02 < 0.02 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10 < 10 < 10 < 10

Liming RateS01 1 kg CaCO3/t < 1 < 1 < 1 < 1

Extraneous Material

<2mm Fraction 0.005 g 120 130 150 150

>2mm Fraction 0.005 g < 0.005 < 0.005 < 0.005 < 0.005

Analysed Material 0.1 % 100 100 100 100

Extraneous Material 0.1 % < 0.1 < 0.1 < 0.1 < 0.1

% Moisture 1 % 24 20 18 1.7

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 3 of 11

Report Number: 525328-S

Page 28: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID CREEK_0.0-0.2M

Sample Matrix Soil

Eurofins | mgt Sample No. B16-No24414

Date Sampled Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 6.7

pH-OX 0.1 pH Units 5.9

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02

Sulfur - KCl Extractable 0.02 % S < 0.02

Sulfur - Peroxide 0.02 % S < 0.02

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10

HCl Extractable Sulfur 0.02 % S n/a

Net Acid soluble sulfur 0.02 % S n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a

Calcium - KCl Extractable 0.02 % Ca < 0.02

Calcium - Peroxide 0.02 % Ca < 0.02

Acid Reacted Calcium 0.02 % Ca < 0.02

acidity - Acid Reacted Calcium 10 mol H+/t < 10

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02

Magnesium - KCl Extractable 0.02 % Mg < 0.02

Magnesium - Peroxide 0.02 % Mg < 0.02

Acid Reacted Magnesium 0.02 % Mg < 0.02

acidity - Acid Reacted Magnesium 10 mol H+/t < 10

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S < 0.02

Acid Neutralising Capacity 0.02 %CaCO3 n/a

Acid Neutralising Capacity - Acidity units 10 mol H+/t n/a

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S n/a

ANC Fineness Factor factor 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10

Liming rate - SPOCAS 1 kg CaCO3/t < 1

Chromium Suite

pH-KCL 0.1 pH Units 6.7

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3

Sulfur - KCl Extractable 0.02 % S < 0.02

HCl Extractable Sulfur 0.02 % S n/a

Net Acid soluble sulfur 0.02 % S n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 0.13

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t 25

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S 0.04

ANC Fineness Factor factor 1.5

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 4 of 11

Report Number: 525328-S

Page 29: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID CREEK_0.0-0.2M

Sample Matrix Soil

Eurofins | mgt Sample No. B16-No24414

Date Sampled Nov 22, 2016

Test/Reference LOR Unit

Chromium Suite

Net Acidity (Sulfur Units) 0.02 % S < 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10

Liming RateS01 1 kg CaCO3/t < 1

Extraneous Material

<2mm Fraction 0.005 g 170

>2mm Fraction 0.005 g < 0.005

Analysed Material 0.1 % 100

Extraneous Material 0.1 % < 0.1

% Moisture 1 % < 1

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 5 of 11

Report Number: 525328-S

Page 30: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Sample HistoryWhere samples are submitted/analysed over several days, the last date of extraction and analysis is reported.A recent review of our LIMS has resulted in the correction or clarification of some method identifications. Due to this, some of the method reference information on reports has changed. However,no substantive change has been made to our laboratory methods, and as such there is no change in the validity of current or previous results (regarding both quality and NATA accreditation).

If the date and time of sampling are not provided, the Laboratory will not be responsible for compromised results should testing be performed outside the recommended holding time.

Description Testing Site Extracted Holding Time

SPOCAS Suite

SPOCAS Suite Brisbane Nov 28, 2016 6 Week

- Method: LTM-GEN-7050

Chromium Suite

Chromium Suite Brisbane Nov 28, 2016 6 Week

- Method: LTM-GEN-7070

Extraneous Material Brisbane Nov 28, 2016 6 Week

- Method: LTM-GEN-7050/7070

% Moisture Brisbane Nov 28, 2016 14 Day

- Method: LTM-GEN-7080 Moisture

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 6 of 11

Report Number: 525328-S

Page 31: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

.Company Name: Galt Environment P/L Order No.: Received: Nov 28, 2016 9:00 AMAddress: 2/39 Flynn St Report #: 525328 Due: Dec 5, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: -ALL :-SRA/Results

Project Name: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

SP

OC

AS

Suite

Chrom

ium S

uite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794 X X X

Perth Laboratory - NATA Site # 18217

External Laboratory

No Sample ID Sample Date SamplingTime

Matrix LAB ID

1 PS-01_0.2-0.4 Nov 22, 2016 Soil B16-No24401 X X X

2 PS-09_0.2-0.5 Nov 22, 2016 Soil B16-No24402 X X X

3 PS-10_0.1-0.3 Nov 22, 2016 Soil B16-No24403 X X X

4 PS-04_0.2-0.8 Nov 22, 2016 Soil B16-No24404 X X X

5 PS-07_0.2 Nov 22, 2016 Soil B16-No24405 X X X

6 PS-03_0.2-1.0 Nov 22, 2016 Soil B16-No24406 X X X

7 PS-06_1.5 Nov 22, 2016 Soil B16-No24407 X X X

8 S-10_0.0-0.2 Nov 22, 2016 Soil B16-No24408 X X X

9 CREEK_0.0-0.2M

Nov 22, 2016 Soil B16-No24414 X X X

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Page 32: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Company Name: Galt Environment P/L Order No.: Received: Nov 28, 2016 9:00 AMAddress: 2/39 Flynn St Report #: 525328 Due: Dec 5, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: -ALL :-SRA/Results

Project Name: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

SP

OC

AS

Suite

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ium S

uite

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Melbourne Laboratory - NATA Site # 1254 & 14271

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794 X X X

Perth Laboratory - NATA Site # 18217

Test Counts 9 9 9

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Page 33: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Internal Quality Control Review and Glossary

General

Holding Times

Units

Terms

QC - Acceptance Criteria

QC Data General Comments

1. Laboratory QC results for Method Blanks, Duplicates, Matrix Spikes, and Laboratory Control Samples are included in this QC report where applicable. Additional QC data may be available on

request.

2. All soil results are reported on a dry basis, unless otherwise stated.

3. Actual LORs are matrix dependant. Quoted LORs may be raised where sample extracts are diluted due to interferences.

4. Results are uncorrected for matrix spikes or surrogate recoveries.

5. SVOC analysis on waters are performed on homogenised, unfiltered samples, unless noted otherwise.

6. Samples were analysed on an 'as received' basis. 7. This report replaces any interim results previously issued.

Please refer to 'Sample Preservation and Container Guide' for holding times (QS3001).

For samples received on the last day of holding time, notification of testing requirements should have been received at least 6 hours prior to sample receipt deadlines as stated on the Sample

Receipt Advice.

If the Laboratory did not receive the information in the required timeframe, and regardless of any other integrity issues, suitably qualified results may still be reported.

Holding times apply from the date of sampling, therefore compliance to these may be outside the laboratory's control.

**NOTE: pH duplicates are reported as a range NOT as RPD

mg/kg: milligrams per Kilogram mg/l: milligrams per litre

ug/l: micrograms per litre ppm: Parts per million

ppb: Parts per billion %: Percentage

org/100ml: Organisms per 100 millilitres NTU: Nephelometric Turbidity Units

MPN/100mL: Most Probable Number of organisms per 100 millilitres

Dry Where a moisture has been determined on a solid sample the result is expressed on a dry basis.

LOR Limit of Reporting.

SPIKE Addition of the analyte to the sample and reported as percentage recovery.

RPD Relative Percent Difference between two Duplicate pieces of analysis.

LCS Laboratory Control Sample - reported as percent recovery

CRM Certified Reference Material - reported as percent recovery

Method Blank In the case of solid samples these are performed on laboratory certified clean sands.

In the case of water samples these are performed on de-ionised water.

Surr - Surrogate The addition of a like compound to the analyte target and reported as percentage recovery.

Duplicate A second piece of analysis from the same sample and reported in the same units as the result to show comparison.

Batch Duplicate A second piece of analysis from a sample outside of the clients batch of samples but run within the laboratory batch of analysis.

Batch SPIKE Spike recovery reported on a sample from outside of the clients batch of samples but run within the laboratory batch of analysis.

USEPA United States Environmental Protection Agency

APHA American Public Health Association

TCLP Toxicity Characteristic Leaching Procedure

COC Chain of Custody

SRA Sample Receipt Advice

CP Client Parent - QC was performed on samples pertaining to this report

NCP Non-Client Parent - QC performed on samples not pertaining to this report, QC is representative of the sequence or batch that client samples were analysed within

TEQ Toxic Equivalency Quotient

RPD Duplicates: Global RPD Duplicates Acceptance Criteria is 30% however the following acceptance guidelines are equally applicable:

Results <10 times the LOR : No Limit

Results between 10-20 times the LOR : RPD must lie between 0-50%

Results >20 times the LOR : RPD must lie between 0-30%

Surrogate Recoveries: Recoveries must lie between 50-150%-Phenols & PFASs 20-130%

1. Where a result is reported as a less than (<), higher than the nominated LOR, this is due to either matrix interference, extract dilution required due to interferences or contaminant levels within

the sample, high moisture content or insufficient sample provided.

2. Duplicate data shown within this report that states the word "BATCH" is a Batch Duplicate from outside of your sample batch, but within the laboratory sample batch at a 1:10 ratio. The Parent

and Duplicate data shown is not data from your samples.

3. Organochlorine Pesticide analysis - where reporting LCS data, Toxaphene & Chlordane are not added to the LCS.

4. Organochlorine Pesticide analysis - where reporting Spike data, Toxaphene is not added to the Spike.

5. Total Recoverable Hydrocarbons - where reporting Spike & LCS data, a single spike of commercial Hydrocarbon products in the range of C12-C30 is added and it's Total Recovery is reported

in the C10-C14 cell of the Report.

6. pH and Free Chlorine analysed in the laboratory - Analysis on this test must begin within 30 minutes of sampling.Therefore laboratory analysis is unlikely to be completed within holding time.

Analysis will begin as soon as possible after sample receipt.

7. Recovery Data (Spikes & Surrogates) - where chromatographic interference does not allow the determination of Recovery the term "INT" appears against that analyte.

8. Polychlorinated Biphenyls are spiked only using Aroclor 1260 in Matrix Spikes and LCS.

9. For Matrix Spikes and LCS results a dash " -" in the report means that the specific analyte was not added to the QC sample.

10. Duplicate RPDs are calculated from raw analytical data thus it is possible to have two sets of data.

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 9 of 11

Report Number: 525328-S

Page 34: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Quality Control Results

Test Units Result 1 AcceptanceLimits

PassLimits

QualifyingCode

LCS - % Recovery

Chromium Suite

Chromium Reducible Sulfur % 113 70-130 Pass

Acid Neutralising Capacity (ANCbt) % 97 70-130 Pass

Test Lab Sample ID QASource Units Result 1 Acceptance

LimitsPass

LimitsQualifying

Code

Duplicate

SPOCAS Suite Result 1 Result 2 RPD

pH-KCL B16-No24401 CP pH Units 8.8 8.8 <1 30% Pass

pH-OX B16-No24401 CP pH Units 6.9 6.9 <1 30% Pass

Acid trail - Titratable Actual Acidity B16-No24401 CP mol H+/t < 2 < 2 <1 30% Pass

Acid trail - Titratable PeroxideAcidity B16-No24401 CP mol H+/t < 2 < 2 <1 30% Pass

Acid trail - Titratable Sulfidic Acidity B16-No24401 CP mol H+/t < 2 < 2 <1 30% Pass

sulfidic - TAA equiv. S% pyrite B16-No24401 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

sulfidic - TPA equiv. S% pyrite B16-No24401 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

sulfidic - TSA equiv. S% pyrite B16-No24401 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

Sulfur - KCl Extractable B16-No24401 CP % S 10 11 7.0 30% Pass

Sulfur - Peroxide B16-No24401 CP % S 10.0 10 5.0 30% Pass

Sulfur - Peroxide Oxidisable Sulfur B16-No24401 CP % S < 0.02 < 0.02 <1 30% Pass

acidity - Peroxide Oxidisable Sulfur B16-No24401 CP mol H+/t < 10 < 10 <1 30% Pass

Calcium - KCl Extractable B16-No24401 CP % Ca 14 14 4.0 30% Pass

Calcium - Peroxide B16-No24401 CP % Ca 13 14 4.0 30% Pass

Acid Reacted Calcium B16-No24401 CP % Ca < 0.02 < 0.02 <1 30% Pass

acidity - Acid Reacted Calcium B16-No24401 CP mol H+/t < 10 < 10 <1 30% Pass

sulfidic - Acid Reacted Ca equiv.S% pyrite B16-No24401 CP % S < 0.02 < 0.02 <1 30% Pass

Magnesium - KCl Extractable B16-No24401 CP % Mg 0.18 0.18 4.0 30% Pass

Magnesium - Peroxide B16-No24401 CP % Mg 0.42 0.42 1.0 30% Pass

Acid Reacted Magnesium B16-No24401 CP % Mg 0.24 0.24 2.0 30% Pass

acidity - Acid Reacted Magnesium B16-No24401 CP mol H+/t 200 200 2.0 30% Pass

sulfidic - Acid Reacted Mg equiv.S% pyrite B16-No24401 CP % S 0.32 0.32 2.0 30% Pass

Acid Neutralising Capacity B16-No24401 CP %CaCO3 1.1 0.95 15 30% Pass

Acid Neutralising Capacity - Acidityunits B16-No24401 CP mol H+/t 220 190 15 30% Pass

ANC Fineness Factor B16-No24401 CP factor 1.5 1.5 <1 30% Pass

Liming rate - SPOCAS B16-No24401 CP kg CaCO3/t < 1 < 1 <1 30% Pass

Duplicate

Chromium Suite Result 1 Result 2 RPD

Chromium Reducible Sulfur B16-No24401 CP % S < 0.005 < 0.005 <1 30% Pass

Chromium Reducible Sulfur -acidityunits B16-No24401 CP mol H+/t < 3 < 3 <1 30% Pass

Acid Neutralising Capacity (ANCbt) B16-No24401 CP %CaCO3 6.7 6.6 1.0 30% Pass

Acid Neutralising Capacity -equivalent S% pyrite (s-ANCbt) B16-No24401 CP % S 2.1 2.1 1.0 30% Pass

Net Acidity (Sulfur Units) B16-No24401 CP % S < 0.02 < 0.02 <1 30% Pass

Net Acidity (Acidity Units) B16-No24401 CP mol H+/t < 10 < 10 <1 30% Pass

Liming Rate B16-No24401 CP kg CaCO3/t < 1 < 1 <1 30% Pass

Duplicate

Result 1 Result 2 RPD

% Moisture B16-No24407 CP % 18 19 3.0 30% Pass

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 10 of 11

Report Number: 525328-S

Page 35: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Comments

Testing for the acid sulphates and CRS has been completed on pulverized samples in this report

V2 - Report updated after discussion with client in regards to solubility issues with samples. The samples have been reweighed using a lowerweight and due to this results have changed.

Sample IntegrityCustody Seals Intact (if used) N/A

Attempt to Chill was evident Yes

Sample correctly preserved Yes

Appropriate sample containers have been used Yes

Sample containers for volatile analysis received with minimal headspace Yes

Samples received within HoldingTime Yes

Some samples have been subcontracted No

Qualifier Codes/Comments

Code Description

S01Liming rate is calculated and reported on a dry weight basis assuming use of fine agricultural lime (CaCO3) and using a safety factor of 1.5 to allow for non-homogeneous mixingand poor reactivity of lime. For conversion of Liming Rate from 'kg/t dry weight' to 'kg/m3 in-situ soil' multiply 'reported results' x 'wet bulk density of soil in t/m3'

S02 Retained Acidity is Reported when the pHKCl is less than pH 4.5

S03 Acid Neutralising Capacity is only required if the pHKCl if greater than or equal to pH 6.5

S04 Acid Sulfate Soil Samples have a 24 hour holding time unless frozen or dried within that period

Authorised By

Natalie Krasselt Analytical Services Manager

Bryan Wilson Senior Analyst-Metal (QLD)

Jonathon Angell Senior Analyst-Inorganic (QLD)

Glenn Jackson

National Operations Manager

- Indicates Not Requested

* Indicates NATA accreditation does not cover the performance of this service

Measurement uncertainty of test data is available on request or please click here.Eurofins | mgt shall not be liable for loss, cost, damages or expenses incurred by the client, or any other person or company, resulting from the use of any information or interpretation given in this report. In no case shall Eurofins | mgt be liable for consequential damages including, but notlimited to, lost profits, damages for failure to meet deadlines and lost production arising from this report. This document shall not be reproduced except in full and relates only to the items tested. Unless indicated otherwise, the tests were performed on the samples as received.

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 11 of 11

Report Number: 525328-S

Page 36: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Certificate of Analysis

Galt Environment P/L

2/39 Flynn St

Wembley

WA 6014

Attention: Michael Carmichael

Report 526274-S

Project name GOLDPHYRE SI LAKE WELLS

Project ID J1601242

Received Date Nov 28, 2016

Client Sample IDPS-01_0.2-0.4UN-PULVERISED

PC-09_0.2-0.5UN-PULVERISED

PC-10_0.1-0.3UN-PULVERISED

PC-04_0.2-0.8UN-PULVERISED

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De03651 B16-De03652 B16-De03653 B16-De03654

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 8.4 8.8 8.3 8.5

pH-OX 0.1 pH Units 6.6 7.5 6.2 6.5

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 < 2

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2 < 2 < 2 < 2

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Sulfur - KCl Extractable 0.02 % S 11 3.2 13 11

Sulfur - Peroxide 0.02 % S 8.0 2.9 10 9.2

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10 < 10 < 10 < 10

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Calcium - KCl Extractable 0.02 % Ca 14 3.7 17 16

Calcium - Peroxide 0.02 % Ca 11 3.3 14 12

Acid Reacted Calcium 0.02 % Ca < 0.02 < 0.02 < 0.02 < 0.02

acidity - Acid Reacted Calcium 10 mol H+/t < 10 < 10 < 10 < 10

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Magnesium - KCl Extractable 0.02 % Mg 0.15 0.41 0.24 0.09

Magnesium - Peroxide 0.02 % Mg 0.32 0.95 0.32 0.18

Acid Reacted Magnesium 0.02 % Mg 0.17 0.55 0.07 0.09

acidity - Acid Reacted Magnesium 10 mol H+/t 140 450 59 72

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S 0.22 0.72 0.09 0.12

Acid Neutralising Capacity 0.02 %CaCO3 0.63 1.4 n/a n/a

Acid Neutralising Capacity - Acidity units 10 mol H+/t 130 280 n/a n/a

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S 0.20 0.45 n/a n/a

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10 < 10 < 10 < 10

Liming rate - SPOCAS 1 kg CaCO3/t < 1 < 1 < 1 < 1

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 1 of 12

Report Number: 526274-S

Page 37: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample IDPS-01_0.2-0.4UN-PULVERISED

PC-09_0.2-0.5UN-PULVERISED

PC-10_0.1-0.3UN-PULVERISED

PC-04_0.2-0.8UN-PULVERISED

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De03651 B16-De03652 B16-De03653 B16-De03654

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

Chromium Suite

pH-KCL 0.1 pH Units 8.4 8.8 8.3 8.5

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005 < 0.005 0.006 < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3 < 3 4.0 < 3

Sulfur - KCl Extractable 0.02 % S 11 3.2 13 11

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 6.4 18 1.9 4.5

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t 1300 3700 380 890

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S 2.1 5.9 0.61 1.4

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (Sulfur Units) 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10 < 10 < 10 < 10

Liming RateS01 1 kg CaCO3/t < 1 < 1 < 1 < 1

Extraneous Material

<2mm Fraction 0.005 g 85 70 120 59

>2mm Fraction 0.005 g < 0.005 < 0.005 < 0.005 < 0.005

Analysed Material 0.1 % 100 100 100 100

Extraneous Material 0.1 % < 0.1 < 0.1 < 0.1 < 0.1

% Moisture 1 % 24 33 24 19

Client Sample ID PC-07_0.2 UN-PULVERISED

PC-03_0.2-1.0UN-PULVERISED

PC-06_1.5 UN-PULVERISED

S10_0.0-0.2UN-PULVERISED

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De03655 B16-De03656 B16-De03657 B16-De03658

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 8.7 8.6 7.8 4.6

pH-OX 0.1 pH Units 6.8 6.8 6.1 3.9

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 9.8

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2 < 2 < 2 < 2

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2 < 2 < 2 < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 < 0.02

Sulfur - KCl Extractable 0.02 % S 12 11 0.09 < 0.02

Sulfur - Peroxide 0.02 % S 10 8.8 0.11 < 0.02

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02 < 0.02 0.02 < 0.02

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10 < 10 12 < 10

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 2 of 12

Report Number: 526274-S

Page 38: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID PC-07_0.2 UN-PULVERISED

PC-03_0.2-1.0UN-PULVERISED

PC-06_1.5 UN-PULVERISED

S10_0.0-0.2UN-PULVERISED

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De03655 B16-De03656 B16-De03657 B16-De03658

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Calcium - KCl Extractable 0.02 % Ca 16 15 0.06 < 0.02

Calcium - Peroxide 0.02 % Ca 14 12 0.08 < 0.02

Acid Reacted Calcium 0.02 % Ca < 0.02 < 0.02 0.02 < 0.02

acidity - Acid Reacted Calcium 10 mol H+/t < 10 < 10 11 < 10

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02 < 0.02 0.02 < 0.02

Magnesium - KCl Extractable 0.02 % Mg 0.10 0.17 0.10 < 0.02

Magnesium - Peroxide 0.02 % Mg 0.20 0.37 0.13 < 0.02

Acid Reacted Magnesium 0.02 % Mg 0.10 0.20 0.02 < 0.02

acidity - Acid Reacted Magnesium 10 mol H+/t 85 170 20 < 10

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S 0.14 0.27 0.03 < 0.02

Acid Neutralising Capacity 0.02 %CaCO3 0.98 0.95 n/a n/a

Acid Neutralising Capacity - Acidity units 10 mol H+/t 200 190 n/a n/a

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S 0.31 0.30 n/a n/a

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02 < 0.02 < 0.02 < 0.02

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10 < 10 < 10 < 10

Liming rate - SPOCAS 1 kg CaCO3/t < 1 < 1 < 1 1.0

Chromium Suite

pH-KCL 0.1 pH Units 8.7 8.6 7.8 4.6

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2 < 2 < 2 9.8

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02 < 0.02 < 0.02 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005 < 0.005 < 0.005 < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3 < 3 < 3 < 3

Sulfur - KCl Extractable 0.02 % S 12 11 0.09 < 0.02

HCl Extractable Sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur 0.02 % S n/a n/a n/a n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a n/a n/a n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a n/a n/a n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 3.9 7.3 1.1 n/a

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t 770 1500 220 n/a

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S 1.2 2.3 0.35 n/a

ANC Fineness Factor factor 1.5 1.5 1.5 1.5

Net Acidity (Sulfur Units) 0.02 % S < 0.02 < 0.02 < 0.02 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10 < 10 < 10 < 10

Liming RateS01 1 kg CaCO3/t < 1 < 1 < 1 < 1

Extraneous Material

<2mm Fraction 0.005 g 100 91 100 95

>2mm Fraction 0.005 g < 0.005 < 0.005 < 0.005 1.2

Analysed Material 0.1 % 100 100 100 99

Extraneous Material 0.1 % < 0.1 < 0.1 < 0.1 1.3

% Moisture 1 % 24 20 18 1.7

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 3 of 12

Report Number: 526274-S

Page 39: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample IDCREEK_0.0-0.2UN-PULVERISED

Sample Matrix Soil

Eurofins | mgt Sample No. B16-De03659

Date Sampled Nov 22, 2016

Test/Reference LOR Unit

SPOCAS Suite

pH-KCL 0.1 pH Units 6.3

pH-OX 0.1 pH Units 5.6

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2

Acid trail - Titratable Peroxide Acidity 2 mol H+/t < 2

Acid trail - Titratable Sulfidic Acidity 2 mol H+/t < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02

sulfidic - TPA equiv. S% pyrite 0.02 % pyrite S < 0.02

sulfidic - TSA equiv. S% pyrite 0.02 % pyrite S < 0.02

Sulfur - KCl Extractable 0.02 % S < 0.02

Sulfur - Peroxide 0.02 % S < 0.02

Sulfur - Peroxide Oxidisable Sulfur 0.02 % S < 0.02

acidity - Peroxide Oxidisable Sulfur 10 mol H+/t < 10

HCl Extractable Sulfur 0.02 % S n/a

Net Acid soluble sulfur 0.02 % S n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a

Calcium - KCl Extractable 0.02 % Ca < 0.02

Calcium - Peroxide 0.02 % Ca < 0.02

Acid Reacted Calcium 0.02 % Ca < 0.02

acidity - Acid Reacted Calcium 10 mol H+/t < 10

sulfidic - Acid Reacted Ca equiv. S% pyrite 0.02 % S < 0.02

Magnesium - KCl Extractable 0.02 % Mg < 0.02

Magnesium - Peroxide 0.02 % Mg < 0.02

Acid Reacted Magnesium 0.02 % Mg < 0.02

acidity - Acid Reacted Magnesium 10 mol H+/t < 10

sulfidic - Acid Reacted Mg equiv. S% pyrite 0.02 % S < 0.02

Acid Neutralising Capacity 0.02 %CaCO3 n/a

Acid Neutralising Capacity - Acidity units 10 mol H+/t n/a

Acid Neutralising Capacity equivalent S% pyrite 0.02 % S n/a

ANC Fineness Factor factor 1.5

Net Acidity (sulfur units) - SPOCAS 0.02 % S < 0.02

Net Acidity (acidity units) - SPOCAS 10 mol H+/t < 10

Liming rate - SPOCAS 1 kg CaCO3/t < 1

Chromium Suite

pH-KCL 0.1 pH Units 6.3

Acid trail - Titratable Actual Acidity 2 mol H+/t < 2

sulfidic - TAA equiv. S% pyrite 0.02 % pyrite S < 0.02

Chromium Reducible SulfurS04 0.005 % S < 0.005

Chromium Reducible Sulfur -acidity units 3 mol H+/t < 3

Sulfur - KCl Extractable 0.02 % S < 0.02

HCl Extractable Sulfur 0.02 % S n/a

Net Acid soluble sulfur 0.02 % S n/a

Net Acid soluble sulfur - acidity units 10 mol H+/t n/a

Net Acid soluble sulfur - equivalent S% pyriteS02 0.02 % S n/a

Acid Neutralising Capacity (ANCbt) 0.01 %CaCO3 n/a

Acid Neutralising Capacity - acidity (ANCbt) 2 mol H+/t n/a

Acid Neutralising Capacity - equivalent S% pyrite (s-ANCbt)S03 0.02 % S n/a

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 4 of 12

Report Number: 526274-S

Page 40: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample IDCREEK_0.0-0.2UN-PULVERISED

Sample Matrix Soil

Eurofins | mgt Sample No. B16-De03659

Date Sampled Nov 22, 2016

Test/Reference LOR Unit

Chromium Suite

ANC Fineness Factor factor 1.5

Net Acidity (Sulfur Units) 0.02 % S < 0.02

Net Acidity (Acidity Units) 10 mol H+/t < 10

Liming RateS01 1 kg CaCO3/t < 1

Extraneous Material

<2mm Fraction 0.005 g 140

>2mm Fraction 0.005 g 0.16

Analysed Material 0.1 % 100

Extraneous Material 0.1 % 0.1

% Moisture 1 % < 1

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 5 of 12

Report Number: 526274-S

Page 41: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Sample HistoryWhere samples are submitted/analysed over several days, the last date of extraction and analysis is reported.A recent review of our LIMS has resulted in the correction or clarification of some method identifications. Due to this, some of the method reference information on reports has changed. However,no substantive change has been made to our laboratory methods, and as such there is no change in the validity of current or previous results (regarding both quality and NATA accreditation).

If the date and time of sampling are not provided, the Laboratory will not be responsible for compromised results should testing be performed outside the recommended holding time.

Description Testing Site Extracted Holding Time

SPOCAS Suite

SPOCAS Suite Brisbane Dec 05, 2016 6 Week

- Method: LTM-GEN-7050

Chromium Suite

Chromium Suite Brisbane Dec 05, 2016 6 Week

- Method: LTM-GEN-7070

Extraneous Material Brisbane Dec 05, 2016 6 Week

- Method: LTM-GEN-7050/7070

% Moisture Brisbane Dec 05, 2016 14 Day

- Method: LTM-GEN-7080 Moisture

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 6 of 12

Report Number: 526274-S

Page 42: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

.Company Name: Galt Environment P/L Order No.: Received: Nov 28, 2016 9:00 AMAddress: 2/39 Flynn St Report #: 526274 Due: Dec 5, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: Michael Carmichael

Project Name: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

SP

OC

AS

Suite

Chrom

ium S

uite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794 X X X

Perth Laboratory - NATA Site # 18217

External Laboratory

No Sample ID Sample Date SamplingTime

Matrix LAB ID

1 PS-01_0.2-0.4UN-PULVERISED

Nov 22, 2016 Soil B16-De03651X X X

2 PC-09_0.2-0.5UN-PULVERISED

Nov 22, 2016 Soil B16-De03652X X X

3 PC-10_0.1-0.3UN-PULVERISED

Nov 22, 2016 Soil B16-De03653X X X

4 PC-04_0.2-0.8UN-PULVERISED

Nov 22, 2016 Soil B16-De03654X X X

AB

N–

50 0

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# 1

8217

Dat

e R

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ted:

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07,

201

6

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ce, M

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rie, Q

LD, A

ustr

alia

, 417

2

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2627

4-S

Page 43: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Company Name: Galt Environment P/L Order No.: Received: Nov 28, 2016 9:00 AMAddress: 2/39 Flynn St Report #: 526274 Due: Dec 5, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: Michael Carmichael

Project Name: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

SP

OC

AS

Suite

Chrom

ium S

uite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794 X X X

Perth Laboratory - NATA Site # 18217

5 PC-07_0.2UN-PULVERISED

Nov 22, 2016 Soil B16-De03655X X X

6 PC-03_0.2-1.0UN-PULVERISED

Nov 22, 2016 Soil B16-De03656X X X

7 PC-06_1.5UN-PULVERISED

Nov 22, 2016 Soil B16-De03657X X X

8 S10_0.0-0.2UN-PULVERISED

Nov 22, 2016 Soil B16-De03658X X X

9 CREEK_0.0-0.2 UN-PULVERISED

Nov 22, 2016 Soil B16-De03659X X X

AB

N–

50 0

05 0

85 5

21e.

mai

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fins.

com

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9600

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# 1

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Site

# 1

8217

Dat

e R

epor

ted:

Dec

07,

201

6

Eur

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s | m

gt 1

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Sm

allw

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Pla

ce, M

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rie, Q

LD, A

ustr

alia

, 417

2

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N :

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4-S

Page 44: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Company Name: Galt Environment P/L Order No.: Received: Nov 28, 2016 9:00 AMAddress: 2/39 Flynn St Report #: 526274 Due: Dec 5, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: Michael Carmichael

Project Name: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

SP

OC

AS

Suite

Chrom

ium S

uite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794 X X X

Perth Laboratory - NATA Site # 18217

Test Counts 9 9 9

AB

N–

50 0

05 0

85 5

21e.

mai

l : E

nviro

Sal

es@

euro

fins.

com

web

: w

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.eur

ofin

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bour

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bour

neM

elbo

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4 50

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AT

A #

126

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ite #

125

4 &

142

71

Syd

ney

Syd

ney

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ney

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ney

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t F3,

Bui

ldin

g F

16 M

ars

Roa

dLa

ne C

ove

Wes

t NS

W 2

066

Pho

ne :

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900

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# 1

261

Site

# 1

8217

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bane

Bris

bane

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bane

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bane

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Sm

allw

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Pla

ceM

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rie Q

LD 4

172

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ne :

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# 1

261

Site

# 2

0794

Per

thP

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Per

thP

erth

2/91

Lea

ch H

ighw

ayK

ewda

le W

A 6

105

Pho

ne :

+61

8 9

251

9600

NA

TA

# 1

261

Site

# 1

8217

Dat

e R

epor

ted:

Dec

07,

201

6

Eur

ofin

s | m

gt 1

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Sm

allw

ood

Pla

ce, M

urar

rie, Q

LD, A

ustr

alia

, 417

2

AB

N :

50 0

05 0

85 5

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2627

4-S

Page 45: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Internal Quality Control Review and Glossary

General

Holding Times

Units

Terms

QC - Acceptance Criteria

QC Data General Comments

1. Laboratory QC results for Method Blanks, Duplicates, Matrix Spikes, and Laboratory Control Samples are included in this QC report where applicable. Additional QC data may be available on

request.

2. All soil results are reported on a dry basis, unless otherwise stated.

3. Actual LORs are matrix dependant. Quoted LORs may be raised where sample extracts are diluted due to interferences.

4. Results are uncorrected for matrix spikes or surrogate recoveries.

5. SVOC analysis on waters are performed on homogenised, unfiltered samples, unless noted otherwise.

6. Samples were analysed on an 'as received' basis. 7. This report replaces any interim results previously issued.

Please refer to 'Sample Preservation and Container Guide' for holding times (QS3001).

For samples received on the last day of holding time, notification of testing requirements should have been received at least 6 hours prior to sample receipt deadlines as stated on the Sample

Receipt Advice.

If the Laboratory did not receive the information in the required timeframe, and regardless of any other integrity issues, suitably qualified results may still be reported.

Holding times apply from the date of sampling, therefore compliance to these may be outside the laboratory's control.

**NOTE: pH duplicates are reported as a range NOT as RPD

mg/kg: milligrams per Kilogram mg/l: milligrams per litre

ug/l: micrograms per litre ppm: Parts per million

ppb: Parts per billion %: Percentage

org/100ml: Organisms per 100 millilitres NTU: Nephelometric Turbidity Units

MPN/100mL: Most Probable Number of organisms per 100 millilitres

Dry Where a moisture has been determined on a solid sample the result is expressed on a dry basis.

LOR Limit of Reporting.

SPIKE Addition of the analyte to the sample and reported as percentage recovery.

RPD Relative Percent Difference between two Duplicate pieces of analysis.

LCS Laboratory Control Sample - reported as percent recovery

CRM Certified Reference Material - reported as percent recovery

Method Blank In the case of solid samples these are performed on laboratory certified clean sands.

In the case of water samples these are performed on de-ionised water.

Surr - Surrogate The addition of a like compound to the analyte target and reported as percentage recovery.

Duplicate A second piece of analysis from the same sample and reported in the same units as the result to show comparison.

Batch Duplicate A second piece of analysis from a sample outside of the clients batch of samples but run within the laboratory batch of analysis.

Batch SPIKE Spike recovery reported on a sample from outside of the clients batch of samples but run within the laboratory batch of analysis.

USEPA United States Environmental Protection Agency

APHA American Public Health Association

TCLP Toxicity Characteristic Leaching Procedure

COC Chain of Custody

SRA Sample Receipt Advice

CP Client Parent - QC was performed on samples pertaining to this report

NCP Non-Client Parent - QC performed on samples not pertaining to this report, QC is representative of the sequence or batch that client samples were analysed within

TEQ Toxic Equivalency Quotient

RPD Duplicates: Global RPD Duplicates Acceptance Criteria is 30% however the following acceptance guidelines are equally applicable:

Results <10 times the LOR : No Limit

Results between 10-20 times the LOR : RPD must lie between 0-50%

Results >20 times the LOR : RPD must lie between 0-30%

Surrogate Recoveries: Recoveries must lie between 50-150%-Phenols & PFASs 20-130%

1. Where a result is reported as a less than (<), higher than the nominated LOR, this is due to either matrix interference, extract dilution required due to interferences or contaminant levels within

the sample, high moisture content or insufficient sample provided.

2. Duplicate data shown within this report that states the word "BATCH" is a Batch Duplicate from outside of your sample batch, but within the laboratory sample batch at a 1:10 ratio. The Parent

and Duplicate data shown is not data from your samples.

3. Organochlorine Pesticide analysis - where reporting LCS data, Toxaphene & Chlordane are not added to the LCS.

4. Organochlorine Pesticide analysis - where reporting Spike data, Toxaphene is not added to the Spike.

5. Total Recoverable Hydrocarbons - where reporting Spike & LCS data, a single spike of commercial Hydrocarbon products in the range of C12-C30 is added and it's Total Recovery is reported

in the C10-C14 cell of the Report.

6. pH and Free Chlorine analysed in the laboratory - Analysis on this test must begin within 30 minutes of sampling.Therefore laboratory analysis is unlikely to be completed within holding time.

Analysis will begin as soon as possible after sample receipt.

7. Recovery Data (Spikes & Surrogates) - where chromatographic interference does not allow the determination of Recovery the term "INT" appears against that analyte.

8. Polychlorinated Biphenyls are spiked only using Aroclor 1260 in Matrix Spikes and LCS.

9. For Matrix Spikes and LCS results a dash " -" in the report means that the specific analyte was not added to the QC sample.

10. Duplicate RPDs are calculated from raw analytical data thus it is possible to have two sets of data.

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 10 of 12

Report Number: 526274-S

Page 46: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Quality Control Results

Test Units Result 1 AcceptanceLimits

PassLimits

QualifyingCode

LCS - % Recovery

Chromium Suite

Chromium Reducible Sulfur % 93 70-130 Pass

Acid Neutralising Capacity (ANCbt) % 96 70-130 Pass

Test Lab Sample ID QASource Units Result 1 Acceptance

LimitsPass

LimitsQualifying

Code

Duplicate

SPOCAS Suite Result 1 Result 2 RPD

pH-KCL B16-De03651 CP pH Units 8.4 8.5 <1 30% Pass

pH-OX B16-De03651 CP pH Units 6.6 6.6 <1 30% Pass

Acid trail - Titratable Actual Acidity B16-De03651 CP mol H+/t < 2 < 2 <1 30% Pass

Acid trail - Titratable PeroxideAcidity B16-De03651 CP mol H+/t < 2 < 2 <1 30% Pass

Acid trail - Titratable Sulfidic Acidity B16-De03651 CP mol H+/t < 2 < 2 <1 30% Pass

sulfidic - TAA equiv. S% pyrite B16-De03651 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

sulfidic - TPA equiv. S% pyrite B16-De03651 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

sulfidic - TSA equiv. S% pyrite B16-De03651 CP % pyrite S < 0.02 < 0.02 <1 30% Pass

Sulfur - Peroxide B16-De03651 CP % S 8.0 8.4 5.0 30% Pass

Sulfur - Peroxide Oxidisable Sulfur B16-De03651 CP % S < 0.02 < 0.02 <1 30% Pass

acidity - Peroxide Oxidisable Sulfur B16-De03651 CP mol H+/t < 10 < 10 <1 30% Pass

Calcium - KCl Extractable B16-De03651 CP % Ca 14 15 3.0 30% Pass

Calcium - Peroxide B16-De03651 CP % Ca 11 11 2.0 30% Pass

Acid Reacted Calcium B16-De03651 CP % Ca < 0.02 < 0.02 <1 30% Pass

acidity - Acid Reacted Calcium B16-De03651 CP mol H+/t < 10 < 10 <1 30% Pass

sulfidic - Acid Reacted Ca equiv.S% pyrite B16-De03651 CP % S < 0.02 < 0.02 <1 30% Pass

Magnesium - KCl Extractable B16-De03651 CP % Mg 0.15 0.17 10 30% Pass

Magnesium - Peroxide B16-De03651 CP % Mg 0.32 0.32 <1 30% Pass

Acid Reacted Magnesium B16-De03651 CP % Mg 0.17 0.15 9.0 30% Pass

acidity - Acid Reacted Magnesium B16-De03651 CP mol H+/t 140 130 9.0 30% Pass

sulfidic - Acid Reacted Mg equiv.S% pyrite B16-De03651 CP % S 0.22 0.20 9.0 30% Pass

Acid Neutralising Capacity B16-De03651 CP %CaCO3 0.63 0.60 5.0 30% Pass

Acid Neutralising Capacity - Acidityunits B16-De03651 CP mol H+/t 130 120 5.0 30% Pass

ANC Fineness Factor B16-De03651 CP factor 1.5 1.5 <1 30% Pass

Liming rate - SPOCAS B16-De03651 CP kg CaCO3/t < 1 < 1 <1 30% Pass

Duplicate

Chromium Suite Result 1 Result 2 RPD

Chromium Reducible Sulfur B16-De03651 CP % S < 0.005 < 0.005 <1 30% Pass

Chromium Reducible Sulfur -acidityunits B16-De03651 CP mol H+/t < 3 < 3 <1 30% Pass

Acid Neutralising Capacity (ANCbt) B16-De03651 CP %CaCO3 6.4 6.5 <1 30% Pass

Acid Neutralising Capacity -equivalent S% pyrite (s-ANCbt) B16-De03651 CP % S 2.1 2.1 <1 30% Pass

Net Acidity (Sulfur Units) B16-De03651 CP % S < 0.02 < 0.02 <1 30% Pass

Net Acidity (Acidity Units) B16-De03651 CP mol H+/t < 10 < 10 <1 30% Pass

Liming Rate B16-De03651 CP kg CaCO3/t < 1 < 1 <1 30% Pass

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 11 of 12

Report Number: 526274-S

Page 47: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Comments

Testing for the acid sulphates and CRS has been completed on unpulverized samples in this report

Sample IntegrityCustody Seals Intact (if used) N/A

Attempt to Chill was evident Yes

Sample correctly preserved Yes

Appropriate sample containers have been used Yes

Sample containers for volatile analysis received with minimal headspace Yes

Samples received within HoldingTime Yes

Some samples have been subcontracted No

Qualifier Codes/Comments

Code Description

S01Liming rate is calculated and reported on a dry weight basis assuming use of fine agricultural lime (CaCO3) and using a safety factor of 1.5 to allow for non-homogeneous mixingand poor reactivity of lime. For conversion of Liming Rate from 'kg/t dry weight' to 'kg/m3 in-situ soil' multiply 'reported results' x 'wet bulk density of soil in t/m3'

S02 Retained Acidity is Reported when the pHKCl is less than pH 4.5

S03 Acid Neutralising Capacity is only required if the pHKCl if greater than or equal to pH 6.5

S04 Acid Sulfate Soil Samples have a 24 hour holding time unless frozen or dried within that period

Authorised By

Natalie Krasselt Analytical Services Manager

Bryan Wilson Senior Analyst-Metal (QLD)

Jonathon Angell Senior Analyst-Inorganic (QLD)

Glenn Jackson

National Operations Manager

- Indicates Not Requested

* Indicates NATA accreditation does not cover the performance of this service

Measurement uncertainty of test data is available on request or please click here.Eurofins | mgt shall not be liable for loss, cost, damages or expenses incurred by the client, or any other person or company, resulting from the use of any information or interpretation given in this report. In no case shall Eurofins | mgt be liable for consequential damages including, but notlimited to, lost profits, damages for failure to meet deadlines and lost production arising from this report. This document shall not be reproduced except in full and relates only to the items tested. Unless indicated otherwise, the tests were performed on the samples as received.

Date Reported: Dec 07, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 12 of 12

Report Number: 526274-S

Page 48: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Certificate of Analysis

Galt Environment P/L

2/39 Flynn St

Wembley

WA 6014

Attention: Brad Palmer

Report 526462-S

Project name ADDITIONAL: GOLDPHYRE SI LAKE WELLS

Project ID J1601242

Received Date Dec 05, 2016

Client Sample ID PS-01_0.2-0.4(No24401)

PS-09_0.2-0.5(No24402)

PS-10_0.1-0.3(No24403)

PS-04_0.2-0.8(No24404)

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De05213 B16-De05214 B16-De05215 B16-De05216

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

Total Organic Carbon 0.1 % < 0.1 0.3 < 0.1 0.3

% Moisture 1 % 21 26 25 17

Heavy Metals

Aluminium 10 mg/kg 7900 9600 3400 12000

Antimony 10 mg/kg < 10 < 10 < 10 < 10

Arsenic 2 mg/kg 2.9 2.7 < 2 < 2

Barium 10 mg/kg 12 21 < 10 30

Beryllium 2 mg/kg < 2 < 2 < 2 < 2

Bismuth 10 mg/kg < 10 < 10 < 10 < 10

Boron 10 mg/kg 70 79 < 10 72

Cadmium 0.4 mg/kg < 0.4 < 0.4 < 0.4 < 0.4

Chromium 5 mg/kg 19 30 9.1 25

Cobalt 5 mg/kg < 5 < 5 < 5 < 5

Copper 5 mg/kg < 5 18 < 5 7.3

Iron 20 mg/kg 6800 11000 3800 12000

Lead 5 mg/kg < 5 < 5 < 5 < 5

Manganese 5 mg/kg 62 150 55 150

Mercury 0.1 mg/kg < 0.1 < 0.1 < 0.1 < 0.1

Molybdenum 5 mg/kg < 5 < 5 < 5 < 5

Nickel 5 mg/kg < 5 7.4 < 5 6.2

Selenium 2 mg/kg < 2 < 2 < 2 < 2

Silver 0.2 mg/kg < 0.2 < 0.2 < 0.2 < 0.2

Thallium 10 mg/kg < 10 < 10 < 10 < 10

Tin 10 mg/kg < 10 < 10 < 10 < 10

Titanium 10 mg/kg 98 140 53 160

Uranium 10 mg/kg 29 11 < 10 200

Vanadium 10 mg/kg 39 52 10 33

Zinc 5 mg/kg 8.4 14 6.1 21

Extended Metals Suite

Calcium 5 mg/kg 120000 50000 120000 160000

Magnesium 5 mg/kg 29000 38000 9200 24000

Phosphorus 5 mg/kg 61 110 83 260

Potassium 5 mg/kg 1300 2900 1300 1500

Silicon 2 mg/kg 210 270 260 500

Sodium 5 mg/kg 6700 24000 16000 4600

Sulphur 5 mg/kg 97000 46000 100000 130000

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 1 of 11

Report Number: 526462-S

NATA AccreditedAccreditation Number 1261Site Number 20794

Accredited for compliance with ISO/IEC 17025 – TestingThe results of the tests, calibrations and/ormeasurements included in this document are traceableto Australian/national standards.

Page 49: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID PS-07_0.2(No24405)

PS-03_0.2-1.0(No24406)

PS-06_1.5(No24407)

CREEK_0.0-0.2M(No24414)

Sample Matrix Soil Soil Soil Soil

Eurofins | mgt Sample No. B16-De05217 B16-De05218 B16-De05219 B16-De05220

Date Sampled Nov 22, 2016 Nov 22, 2016 Nov 22, 2016 Nov 22, 2016

Test/Reference LOR Unit

Total Organic Carbon 0.1 % 0.1 0.3 < 0.1 < 0.1

% Moisture 1 % 26 19 19 < 1

Heavy Metals

Aluminium 10 mg/kg 1000 9600 9300 690

Antimony 10 mg/kg < 10 < 10 < 10 < 10

Arsenic 2 mg/kg < 2 < 2 3.3 < 2

Barium 10 mg/kg < 10 10 11 15

Beryllium 2 mg/kg < 2 < 2 < 2 < 2

Bismuth 10 mg/kg < 10 < 10 < 10 < 10

Boron 10 mg/kg 38 170 28 < 10

Cadmium 0.4 mg/kg < 0.4 < 0.4 < 0.4 < 0.4

Chromium 5 mg/kg < 5 19 35 16

Cobalt 5 mg/kg < 5 < 5 < 5 < 5

Copper 5 mg/kg < 5 8.7 6.7 < 5

Iron 20 mg/kg 1100 8100 13000 4700

Lead 5 mg/kg < 5 < 5 5.4 < 5

Manganese 5 mg/kg 15 98 67 25

Mercury 0.1 mg/kg < 0.1 < 0.1 < 0.1 < 0.1

Molybdenum 5 mg/kg < 5 < 5 < 5 < 5

Nickel 5 mg/kg < 5 < 5 6.0 < 5

Selenium 2 mg/kg < 2 < 2 < 2 < 2

Silver 0.2 mg/kg < 0.2 < 0.2 < 0.2 < 0.2

Thallium 10 mg/kg < 10 < 10 < 10 < 10

Tin 10 mg/kg < 10 < 10 < 10 < 10

Titanium 10 mg/kg 17 110 160 34

Uranium 10 mg/kg 30 24 < 10 < 10

Vanadium 10 mg/kg 12 29 48 13

Zinc 5 mg/kg < 5 12 13 < 5

Extended Metals Suite

Calcium 5 mg/kg 170000 120000 460 100

Magnesium 5 mg/kg 10000 33000 6000 300

Phosphorus 5 mg/kg 65 150 27 13

Potassium 5 mg/kg 780 1100 2500 120

Silicon 2 mg/kg 220 180 260 250

Sodium 5 mg/kg 6100 5600 4900 89

Sulphur 5 mg/kg 130000 100000 870 56

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 2 of 11

Report Number: 526462-S

Page 50: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Client Sample ID S-10_0.0-0.2(No24408)

Sample Matrix Soil

Eurofins | mgt Sample No. B16-De05236

Date Sampled Nov 22, 2016

Test/Reference LOR Unit

Total Organic Carbon 0.1 % < 0.1

% Moisture 1 % 1.6

Heavy Metals

Aluminium 10 mg/kg 7000

Antimony 10 mg/kg < 10

Arsenic 2 mg/kg 3.4

Barium 10 mg/kg 10

Beryllium 2 mg/kg < 2

Bismuth 10 mg/kg < 10

Boron 10 mg/kg < 10

Cadmium 0.4 mg/kg < 0.4

Chromium 5 mg/kg 150

Cobalt 5 mg/kg < 5

Copper 5 mg/kg 11

Iron 20 mg/kg 54000

Lead 5 mg/kg 11

Manganese 5 mg/kg 110

Mercury 0.1 mg/kg < 0.1

Molybdenum 5 mg/kg < 5

Nickel 5 mg/kg 5.8

Selenium 2 mg/kg < 2

Silver 0.2 mg/kg < 0.2

Thallium 10 mg/kg < 10

Tin 10 mg/kg < 10

Titanium 10 mg/kg 260

Uranium 10 mg/kg < 10

Vanadium 10 mg/kg 150

Zinc 5 mg/kg 6.0

Extended Metals Suite

Calcium 5 mg/kg 130

Magnesium 5 mg/kg 190

Phosphorus 5 mg/kg 82

Potassium 5 mg/kg 360

Silicon 2 mg/kg 270

Sodium 5 mg/kg 79

Sulphur 5 mg/kg 88

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 3 of 11

Report Number: 526462-S

Page 51: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Sample HistoryWhere samples are submitted/analysed over several days, the last date of extraction and analysis is reported.A recent review of our LIMS has resulted in the correction or clarification of some method identifications. Due to this, some of the method reference information on reports has changed. However,no substantive change has been made to our laboratory methods, and as such there is no change in the validity of current or previous results (regarding both quality and NATA accreditation).

If the date and time of sampling are not provided, the Laboratory will not be responsible for compromised results should testing be performed outside the recommended holding time.

Description Testing Site Extracted Holding Time

Total Organic Carbon Melbourne Dec 08, 2016 28 Day

- Method: APHA 5310B Total Organic Carbon

Extended Metals Suite Melbourne Dec 07, 2016 28 Day

- Method: LTM-MET-3030 by ICP-OES (hydride ICP-OES for Mercury) & USEPA 6010 Alkali Metals

% Moisture Melbourne Dec 06, 2016 14 Day

- Method: LTM-GEN-7080 Moisture

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 4 of 11

Report Number: 526462-S

Page 52: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

.Company Name: Galt Environment P/L Order No.: Received: Dec 5, 2016 5:30 PMAddress: 2/39 Flynn St Report #: 526462 Due: Dec 13, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: Brad Palmer

Project Name: ADDITIONAL: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

Total O

rganic Carbon

Extended M

etals Suite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271 X X X

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794

Perth Laboratory - NATA Site # 18217

External Laboratory

No Sample ID Sample Date SamplingTime

Matrix LAB ID

1 PS-01_0.2-0.4(No24401)

Nov 22, 2016 Soil B16-De05213 X X X

2 PS-09_0.2-0.5(No24402)

Nov 22, 2016 Soil B16-De05214 X X X

3 PS-10_0.1-0.3(No24403)

Nov 22, 2016 Soil B16-De05215 X X X

4 PS-04_0.2-0.8(No24404)

Nov 22, 2016 Soil B16-De05216 X X X

5 PS-07_0.2(No24405)

Nov 22, 2016 Soil B16-De05217 X X X

6 PS-03_0.2-1.0 Nov 22, 2016 Soil B16-De05218 X X X

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Page 53: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Company Name: Galt Environment P/L Order No.: Received: Dec 5, 2016 5:30 PMAddress: 2/39 Flynn St Report #: 526462 Due: Dec 13, 2016

Wembley Phone: 08 6272 0200 Priority: 5 DayWA 6014 Fax: 08 9285 8444 Contact Name: Brad Palmer

Project Name: ADDITIONAL: GOLDPHYRE SI LAKE WELLSProject ID: J1601242

Eurofins | mgt Analytical Services Manager : Natalie Krasselt

Sample Detail

Total O

rganic Carbon

Extended M

etals Suite

Moisture S

et

Melbourne Laboratory - NATA Site # 1254 & 14271 X X X

Sydney Laboratory - NATA Site # 18217

Brisbane Laboratory - NATA Site # 20794

Perth Laboratory - NATA Site # 18217

(No24406)

7 PS-06_1.5(No24407)

Nov 22, 2016 Soil B16-De05219 X X X

8 CREEK_0.0-0.2M(No24414)

Nov 22, 2016 Soil B16-De05220X X X

9 S-10_0.0-0.2(No24408)

Nov 22, 2016 Soil B16-De05236 X X X

Test Counts 9 9 9

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Page 54: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Internal Quality Control Review and Glossary

General

Holding Times

Units

Terms

QC - Acceptance Criteria

QC Data General Comments

1. Laboratory QC results for Method Blanks, Duplicates, Matrix Spikes, and Laboratory Control Samples are included in this QC report where applicable. Additional QC data may be available on

request.

2. All soil results are reported on a dry basis, unless otherwise stated.

3. Actual LORs are matrix dependant. Quoted LORs may be raised where sample extracts are diluted due to interferences.

4. Results are uncorrected for matrix spikes or surrogate recoveries.

5. SVOC analysis on waters are performed on homogenised, unfiltered samples, unless noted otherwise.

6. Samples were analysed on an 'as received' basis. 7. This report replaces any interim results previously issued.

Please refer to 'Sample Preservation and Container Guide' for holding times (QS3001).

For samples received on the last day of holding time, notification of testing requirements should have been received at least 6 hours prior to sample receipt deadlines as stated on the Sample

Receipt Advice.

If the Laboratory did not receive the information in the required timeframe, and regardless of any other integrity issues, suitably qualified results may still be reported.

Holding times apply from the date of sampling, therefore compliance to these may be outside the laboratory's control.

**NOTE: pH duplicates are reported as a range NOT as RPD

mg/kg: milligrams per Kilogram mg/l: milligrams per litre

ug/l: micrograms per litre ppm: Parts per million

ppb: Parts per billion %: Percentage

org/100ml: Organisms per 100 millilitres NTU: Nephelometric Turbidity Units

MPN/100mL: Most Probable Number of organisms per 100 millilitres

Dry Where a moisture has been determined on a solid sample the result is expressed on a dry basis.

LOR Limit of Reporting.

SPIKE Addition of the analyte to the sample and reported as percentage recovery.

RPD Relative Percent Difference between two Duplicate pieces of analysis.

LCS Laboratory Control Sample - reported as percent recovery

CRM Certified Reference Material - reported as percent recovery

Method Blank In the case of solid samples these are performed on laboratory certified clean sands.

In the case of water samples these are performed on de-ionised water.

Surr - Surrogate The addition of a like compound to the analyte target and reported as percentage recovery.

Duplicate A second piece of analysis from the same sample and reported in the same units as the result to show comparison.

Batch Duplicate A second piece of analysis from a sample outside of the clients batch of samples but run within the laboratory batch of analysis.

Batch SPIKE Spike recovery reported on a sample from outside of the clients batch of samples but run within the laboratory batch of analysis.

USEPA United States Environmental Protection Agency

APHA American Public Health Association

TCLP Toxicity Characteristic Leaching Procedure

COC Chain of Custody

SRA Sample Receipt Advice

CP Client Parent - QC was performed on samples pertaining to this report

NCP Non-Client Parent - QC performed on samples not pertaining to this report, QC is representative of the sequence or batch that client samples were analysed within

TEQ Toxic Equivalency Quotient

RPD Duplicates: Global RPD Duplicates Acceptance Criteria is 30% however the following acceptance guidelines are equally applicable:

Results <10 times the LOR : No Limit

Results between 10-20 times the LOR : RPD must lie between 0-50%

Results >20 times the LOR : RPD must lie between 0-30%

Surrogate Recoveries: Recoveries must lie between 50-150%-Phenols & PFASs 20-130%

1. Where a result is reported as a less than (<), higher than the nominated LOR, this is due to either matrix interference, extract dilution required due to interferences or contaminant levels within

the sample, high moisture content or insufficient sample provided.

2. Duplicate data shown within this report that states the word "BATCH" is a Batch Duplicate from outside of your sample batch, but within the laboratory sample batch at a 1:10 ratio. The Parent

and Duplicate data shown is not data from your samples.

3. Organochlorine Pesticide analysis - where reporting LCS data, Toxaphene & Chlordane are not added to the LCS.

4. Organochlorine Pesticide analysis - where reporting Spike data, Toxaphene is not added to the Spike.

5. Total Recoverable Hydrocarbons - where reporting Spike & LCS data, a single spike of commercial Hydrocarbon products in the range of C12-C30 is added and it's Total Recovery is reported

in the C10-C14 cell of the Report.

6. pH and Free Chlorine analysed in the laboratory - Analysis on this test must begin within 30 minutes of sampling.Therefore laboratory analysis is unlikely to be completed within holding time.

Analysis will begin as soon as possible after sample receipt.

7. Recovery Data (Spikes & Surrogates) - where chromatographic interference does not allow the determination of Recovery the term "INT" appears against that analyte.

8. Polychlorinated Biphenyls are spiked only using Aroclor 1260 in Matrix Spikes and LCS.

9. For Matrix Spikes and LCS results a dash " -" in the report means that the specific analyte was not added to the QC sample.

10. Duplicate RPDs are calculated from raw analytical data thus it is possible to have two sets of data.

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 7 of 11

Report Number: 526462-S

Page 55: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Quality Control Results

Test Units Result 1 AcceptanceLimits

PassLimits

QualifyingCode

Method Blank

Total Organic Carbon % < 0.1 0.1 Pass

Method Blank

Heavy Metals

Aluminium mg/kg < 10 10 Pass

Antimony mg/kg < 10 10 Pass

Arsenic mg/kg < 2 2 Pass

Barium mg/kg < 10 10 Pass

Beryllium mg/kg < 2 2 Pass

Bismuth mg/kg < 10 10 Pass

Boron mg/kg < 10 10 Pass

Cadmium mg/kg < 0.4 0.4 Pass

Chromium mg/kg < 5 5 Pass

Cobalt mg/kg < 5 5 Pass

Copper mg/kg < 5 5 Pass

Iron mg/kg < 20 20 Pass

Lead mg/kg < 5 5 Pass

Manganese mg/kg < 5 5 Pass

Mercury mg/kg < 0.1 0.1 Pass

Molybdenum mg/kg < 5 5 Pass

Nickel mg/kg < 5 5 Pass

Selenium mg/kg < 2 2 Pass

Silver mg/kg < 0.2 0.2 Pass

Thallium mg/kg < 10 10 Pass

Tin mg/kg < 10 10 Pass

Titanium mg/kg < 10 10 Pass

Uranium mg/kg < 10 10 Pass

Vanadium mg/kg < 10 10 Pass

Zinc mg/kg < 5 5 Pass

LCS - % Recovery

Total Organic Carbon % 104 70-130 Pass

LCS - % Recovery

Heavy Metals

Antimony % 110 80-120 Pass

Arsenic % 113 80-120 Pass

Barium % 115 80-120 Pass

Beryllium % 113 80-120 Pass

Boron % 83 80-120 Pass

Cadmium % 112 80-120 Pass

Chromium % 118 80-120 Pass

Cobalt % 120 80-120 Pass

Copper % 117 80-120 Pass

Lead % 118 80-120 Pass

Manganese % 119 80-120 Pass

Mercury % 115 75-125 Pass

Molybdenum % 112 80-120 Pass

Nickel % 117 80-120 Pass

Selenium % 113 80-120 Pass

Silver % 111 80-120 Pass

Tin % 107 80-120 Pass

Vanadium % 118 80-120 Pass

Zinc % 115 80-120 Pass

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 8 of 11

Report Number: 526462-S

Page 56: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Test Lab Sample ID QASource Units Result 1 Acceptance

LimitsPass

LimitsQualifying

Code

Spike - % Recovery

Heavy Metals Result 1

Antimony B16-De05213 CP % 103 70-130 Pass

Arsenic B16-De05213 CP % 105 75-125 Pass

Barium B16-De05213 CP % 105 75-125 Pass

Beryllium B16-De05213 CP % 103 75-125 Pass

Boron B16-De05213 CP % 75 75-125 Pass

Cadmium B16-De05213 CP % 103 75-125 Pass

Chromium B16-De05213 CP % 112 75-125 Pass

Cobalt B16-De05213 CP % 116 75-125 Pass

Copper B16-De05213 CP % 104 75-125 Pass

Lead B16-De05213 CP % 112 75-125 Pass

Manganese B16-De05213 CP % 106 75-125 Pass

Mercury B16-De05213 CP % 84 70-130 Pass

Molybdenum B16-De05213 CP % 109 75-125 Pass

Nickel B16-De05213 CP % 105 75-125 Pass

Selenium B16-De05213 CP % 103 75-125 Pass

Silver B16-De05213 CP % 101 75-125 Pass

Tin B16-De05213 CP % 103 75-125 Pass

Vanadium B16-De05213 CP % 115 75-125 Pass

Zinc B16-De05213 CP % 100 75-125 Pass

Test Lab Sample ID QASource Units Result 1 Acceptance

LimitsPass

LimitsQualifying

Code

Duplicate

Heavy Metals Result 1 Result 2 RPD

Aluminium B16-De05213 CP mg/kg 7900 8500 7.0 30% Pass

Antimony B16-De05213 CP mg/kg < 10 < 10 <1 30% Pass

Arsenic B16-De05213 CP mg/kg 2.9 3.0 6.0 30% Pass

Barium B16-De05213 CP mg/kg 12 13 4.0 30% Pass

Beryllium B16-De05213 CP mg/kg < 2 < 2 <1 30% Pass

Bismuth B16-De05213 CP mg/kg < 10 < 10 <1 30% Pass

Boron B16-De05213 CP mg/kg 70 76 9.0 30% Pass

Cadmium B16-De05213 CP mg/kg < 0.4 < 0.4 <1 30% Pass

Chromium B16-De05213 CP mg/kg 19 20 6.0 30% Pass

Cobalt B16-De05213 CP mg/kg < 5 < 5 <1 30% Pass

Copper B16-De05213 CP mg/kg < 5 < 5 <1 30% Pass

Iron M16-De06214 NCP mg/kg 140 130 1.0 30% Pass

Lead B16-De05213 CP mg/kg < 5 < 5 <1 30% Pass

Manganese B16-De05213 CP mg/kg 62 66 7.0 30% Pass

Mercury B16-De05213 CP mg/kg < 0.1 < 0.1 <1 30% Pass

Molybdenum B16-De05213 CP mg/kg < 5 < 5 <1 30% Pass

Nickel B16-De05213 CP mg/kg < 5 < 5 <1 30% Pass

Selenium B16-De05213 CP mg/kg < 2 < 2 <1 30% Pass

Silver B16-De05213 CP mg/kg < 0.2 < 0.2 <1 30% Pass

Thallium M16-De06276 NCP mg/kg < 10 < 10 <1 30% Pass

Tin B16-De05213 CP mg/kg < 10 < 10 <1 30% Pass

Titanium M16-De06276 NCP mg/kg 310 310 2.0 30% Pass

Uranium B16-De05213 CP mg/kg 29 32 11 30% Pass

Vanadium B16-De05213 CP mg/kg 39 41 4.0 30% Pass

Zinc B16-De05213 CP mg/kg 8.4 8.7 3.0 30% Pass

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 9 of 11

Report Number: 526462-S

Page 57: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Duplicate

Extended Metals Suite Result 1 Result 2 RPD

Calcium S16-De05344 NCP mg/kg 2200 2500 15 30% Pass

Magnesium B16-De05213 CP mg/kg 29000 29000 <1 30% Pass

Phosphorus B16-De05213 CP mg/kg 61 65 5.0 30% Pass

Potassium B16-De05213 CP mg/kg 1300 1300 1.0 30% Pass

Silicon B16-De05213 CP mg/kg 210 220 5.0 30% Pass

Sodium B16-De05213 CP mg/kg 6700 6700 1.0 30% Pass

Sulphur S16-De05344 NCP mg/kg 310 280 10 30% Pass

Duplicate

Extended Metals Suite Result 1 Result 2 RPD

Sodium S16-De05344 NCP mg/kg 87 99 13 30% Pass

Duplicate

Extended Metals Suite Result 1 Result 2 RPD

Magnesium S16-De05354 NCP mg/kg 520 480 8.0 30% Pass

Phosphorus S16-De05354 NCP mg/kg 91 100 9.0 30% Pass

Potassium S16-De05354 NCP mg/kg 220 260 16 30% Pass

Silicon S16-De05354 NCP mg/kg 69 75 7.0 30% Pass

Duplicate

Result 1 Result 2 RPD

% Moisture B16-De05219 CP % 19 20 5.0 30% Pass

Duplicate

Result 1 Result 2 RPD

Total Organic Carbon B16-De05236 CP % < 0.1 < 0.1 <1 30% Pass

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 10 of 11

Report Number: 526462-S

Page 58: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Comments

Sample IntegrityCustody Seals Intact (if used) N/A

Attempt to Chill was evident Yes

Sample correctly preserved Yes

Appropriate sample containers have been used Yes

Sample containers for volatile analysis received with minimal headspace Yes

Samples received within HoldingTime Yes

Some samples have been subcontracted No

Authorised By

Natalie Krasselt Analytical Services Manager

Alex Petridis Senior Analyst-Metal (VIC)

Huong Le Senior Analyst-Inorganic (VIC)

Glenn Jackson

National Operations Manager

- Indicates Not Requested

* Indicates NATA accreditation does not cover the performance of this service

Measurement uncertainty of test data is available on request or please click here.Eurofins | mgt shall not be liable for loss, cost, damages or expenses incurred by the client, or any other person or company, resulting from the use of any information or interpretation given in this report. In no case shall Eurofins | mgt be liable for consequential damages including, but notlimited to, lost profits, damages for failure to meet deadlines and lost production arising from this report. This document shall not be reproduced except in full and relates only to the items tested. Unless indicated otherwise, the tests were performed on the samples as received.

Date Reported: Dec 09, 2016

Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172

ABN : 50 005 085 521 Telephone: +61 7 3902 4600

Page 11 of 11

Report Number: 526462-S

Page 59: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

 

Galt Environmental Pty Ltd 

www.galtenv.com.au 4/15 Walters Drive  OSBORNE PARK  WA  6017 

  ABN: 96 520 810 622 

 

ATTACHMENT D 

Understanding Your Report 

 

Page 60: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Galt Environmental Pty Ltd

www.galtenv.com.au 4/15 Walters Drive OSBORNE PARK WA 6017

Page | 1 ABN: 96 520 810 622

UNDERSTANDING YOUR REPORT

GALT FORM PMP29 Rev1

1. EXPECTATIONS OF THE REPORT

This document has been prepared to clarify what is and is not provided in your report. It is intended to inform you of what your

realistic expectations of this report should be and how to manage your risks associated with the conditions on site.

Geotechnical engineering and environmental science are less exact than other engineering and scientific disciplines. We include

this information to help you understand where our responsibilities begin and end. You should read and understand this

information. Please contact us if you do not understand the report or this explanation. We have extensive experience in a wide

variety of projects and we can help you to manage your risk.

2. THIS REPORT RELATES TO PROJECT-SPECIFIC CONDITIONS

This report was developed for a unique set of project-specific conditions to meet the needs of the nominated client. It took into

account the following:

the project objectives as we understood them and as described in this report;

the specific site mentioned in this report; and

the current and proposed development at the site.

It should not be used for any purpose other than that indicated in the report. You should not rely on this report if any of the

following conditions apply:

the report was not written for you;

the report was not written for the site specific to your development;

the report was not written for your project (including a development at the correct site but other than that listed in the

report); or

the report was written before significant changes occurred at the site (such as a development or a change in ground

conditions).

You should always inform us of changes in the proposed project (including minor changes) and request an assessment of their

impact.

Where we are not informed of developments relevant to your report, we cannot be held responsible or liable for problems that

may arise as a consequence.

Where design is to be carried out by others using information provided by us, we recommend that we be involved in the design

process by being engaged for consultation with other members of the project team. Furthermore, we recommend that we be

able to review work produced by other members of the project team that relies on information provided in our report.

Page 61: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Form PMP29 Rev1 20 October 2015

Galt Environmental Pty Ltd

www.galtenv.com.au 4/15 Walters Drive OSBORNE PARK WA 6017

Page | 2 ABN: 96 520 810 622

3. SOIL LOGS

Our reports often include logs of intrusive and non-intrusive investigation techniques. These logs are based on our

interpretation of field data and laboratory results. The logs should only be read in conjunction with the report they were issued

with and should not be re-drawn for inclusion in other documents not prepared by us.

4. THIRD PARTY RELIANCE

We have prepared this report for use by the client. This report must be regarded as confidential to the client and the client’s

professional advisors. We do not accept any responsibility for contents of this document from any party other than the

nominated client. We take no responsibility for any damages suffered by a third party because of any decisions or actions they

may make based on this report. Any reliance or decisions made by a third party based on this report are the responsibility of the

third party and not of us.

5. CHANGE IN SUBSURFACE CONDITIONS

The recommendations in this report are based on the ground conditions that existed at the time when the study was

undertaken. Changes in ground conditions can occur in numerous ways including anthropogenic events (such as construction or

contaminating activities on or adjacent to the site) or natural events (such as floods, groundwater fluctuations or earthquakes).

We should be consulted prior to use of this report so that we can comment on its reliability. It is important to note that where

ground conditions have changed, additional sampling, testing or analysis may be required to fully assess the changed conditions.

6. SUBSURFACE CONDITIONS DURING CONSTRUCTION

Practical constraints mean that we cannot know every minute detail about the subsurface conditions at a particular site. We use

professional judgement to form an opinion about the subsurface conditions at the site. Some variation to our evaluated

conditions is likely and significant variation is possible. Accordingly, our report should not be considered as final as it is

developed from professional judgement and opinion.

The most effective means of dealing with unanticipated ground conditions is to engage us for construction support. We can only

finalise our recommendations by observing actual subsurface conditions encountered during construction. We cannot accept

liability for a report’s recommendations if we cannot observe construction.

7. ENVIRONMENTAL AND GEOTECHNICAL ISSUES

Unless specifically mentioned otherwise in our report, environmental considerations are not addressed in geotechnical reports.

Similarly, geotechnical issues are not addressed in environmental reports. The investigation techniques used for geotechnical

investigations can differ from those used for environmental investigations. It is the client’s responsibility to satisfy themselves

that geotechnical and environmental considerations have been taken into account for the site.

O:\Administration\Standard Forms and Documents\GEPL Forms\PMP29-Rev1 Understanding your Report Env Logo.docx

Page 62: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

To the Chief Executive Officer

Guideline and application form for applications (July 2016 V4) 1

Application form:

works approval / licence Division 3, Part V, Environmental Protection Act 1986 (EP Act) Environmental Protection Regulations 1987 (EP Regulations)

This is an application for [select only one option]

Works approval

Works approval including clearing of native vegetation (Clearing Permit)

P Concurrent works approval and licence or registration

Licence Registration number:[ ] Works approval number: [ ]

Renewal Licence number: [ ]

Amendment Licence or works approval number: [ ]

Registration (works approval already obtained) Works approval number:[ ]

Application for a clearing permit already submitted Clearing permit application number: [ ]

This application is for the category/categories of prescribed premises

[Refer to DER’s Guidance Statement: Licensing and works approval process for further information on activities which will be subject to works approval/licensing.

P Single category of prescribed premises (specify category number): [Category 14]

Multiple categories of prescribed premises (specify category numbers): [ ]

P All activities on the premises within category of prescribed premises of Schedule 1 to the Environmental Protection Regulations 1987 have been specified above (tick if Yes)

INSTRUCTIONS

Page 63: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 2

• The application form must be completed with all information attached. This form is a statutory requirement under section 54(1)(a) for works approval applications, section 57(1)(a) for licence applications, and regulation 5B of the Environmental Protection Regulations 1987 for registration.

• If an application form has been submitted which is incomplete or materially incorrect, the CEO will decline to deal with the application under the EP Act and advise the Applicant accordingly.

• The instructions set out in this guideline to complete the application form are general in nature.

• A reference to ‘you’ in these instructions is a reference to the Applicant.

• Works approval only applies for new works approvals. For works approvals for existing premises, please select ‘Amendment’.

• Concurrent applications for works approval and licence (or registrations) are encouraged. This means a single application is submitted.

• Applicants seeking further information relating to requirements under the EP Act are recommended to review the Act through the State Law Publisher (www.slp.wa.gov.au)

• For premises where activities fall within more than one category of prescribed premises, ALL categories must be licensed and identified. This applies for existing licensed premises seeking renewal or amendment, as well as new licensed premises.

Page 64: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 3

COMPLETION MATRIX The matrix below explains what sections are required to be completed for different types of applications.

Application Form Section New Application/ Registration

Renewal Amendment

Part 1 Applicant details – section 1.1 ● ● ●

Part 1 section 1.2 onwards ● N/A Δ

Part 2 Premises ● N/A Δ

Part 3 Proposed Activities ● N/A Δ

Part 4 Other Approvals ● N/A Δ

Part 5 Fit and competent operator ● N/A N/A

Part 6 Public health and environmental risks ● N/A Δ

Part 7 Siting and location ● N/A N/A

Part 8 – not in use

Part 9 Submission of any other relevant information

● If required. If required.

Part 10 Proposed fee calculation ● ● ●

Part 11 Submission of application ● ● ●

Acknowledgement and signature ● ● ●

Attachment 1A: Proof of Applicant status ● N/A N/A

Attachment 1B: ASIC Company Extract ● N/A N/A

Attachment 2: Map for proposed premises ● N/A Δ

Attachment 3A: Proposed activities ● N/A Δ

Attachment 3B: Map for proposed area to be cleared (only applicable if clearing is proposed)

● N/A N/A

Attachment 4: Other approvals ● N/A Δ

Attachment 5: Fit and competent operator ● N/A N/A

Attachment 6: Public health and environment risks

● N/A Δ

Attachment 7: Siting and location ● N/A Δ

Attachment 9: Other relevant information If required. N/A If required.

Attachment 10: Proposed fee calculation ● N/A N/A

Attachment 11: Request for exemption from publication

If required. N/A If required.

Key: ● Must be submitted Δ To the extent changed/required in relation to the amendment N/A Not required with application, but may be requested subsequently depending on DER records “If required” are sections for applicants to determine.

Page 65: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 4

Part 1. Applicant details

1.1 Applicant name (full legal name)

Australian Potash (formerly Goldphyre Resources Limited)

ACN (if applicable) 149 390 394

1.2 Directors details (if applicant is a small proprietary company)

Refer Attachment 5

1.3 Registered business address (Registered with ASIC)

31 Ord St, West Perth Western Australia 6005

1.4 Address for correspondence

1.5 Contact person details Name

Position

Telephone

Email

1.6 Authorised representative (if any)

Name

Telephone

Email

1.7 Applicant’s representative (if any)

Name

Telephone

Email

1.8 Occupier status [One of the options must be selected and if you have been asked to specify, please provide details]

Registered proprietor on certificate of title

Lease holder (please specify)

Public authority that has care, control or management of the land

Other (please specify – for example, joint venture operating entity or contractor. Note contractual arrangements will need to be provided to evidence land owner’s consent to occupancy arrangements. If contractual arrangements are not finalised, reason why occupancy consent will be granted will need to be provided.) Signatory to sale and split commodity agreement with tenement holder of exploration lease E38/2742 – refer confidential information provided in Attachment 11A.

P

1.9 Proof of occupier status [Instructions set out in Attachment 1A]

Attachment 1A completed P

1.10 ASIC Company Extract [Instructions set out in Attachment 1B]

Attachment 1B completed P

Page 66: TECHNICAL MEMORANDUM€¦ · To: Lisa Chandler e‐mail: lisa_aethos@ozemail.com.au From: Brad Palmer Sender’s email: brad.palmer@galtenv.com.au PRELIMINARY ACID SULFATE SOIL STUDY

Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 5

INSTRUCTIONS

• Your full legal name must be inserted. Business names are not accepted. If a small proprietary company, the Directors’ full names must also be provided.

• A proprietary is defined by ASIC as small for a financial year if it satisfies at least two of the following paragraphs:

- the consolidated revenue for the financial year of the company and any entities it controls is less than $25 million

- the value of the consolidated gross assets at the end of the financial year of the company and any entities it controls is less than $12.5 million, and

- the company and any entities it controls have fewer than 50 employees at the end of the financial year.

• The address for correspondence can be the same as the registered business address.

• Details for a contact person must be provided (where you are an individual, you would be the contact person).

• Details for any authorised representatives must be provided (e.g. consultant) but only if you authorise that person to represent you and that person can be contacted by the Department in relation to your application.

• Details of the occupation of the premises must be provided. One of the options must be selected and if you have been asked to specify, please provide details. For example, if ‘Lease holder’ has been selected, please specify the type of lease—e.g. pastoral lease, mining lease, general lease.

• You must provide proof of ownership in Attachment 1. Instructions are set out in Attachment 1.

Part 2. Premises

2.1 Premises legal description (whole or part to be specified) [Land description: volume and folio number, lot or location number(s), Crown lease or reserve number, pastoral lease number or mining tenement number of all properties, as shown on title details registered with Landgate]

Refer Attachment 1A for description of tenement E38/2742.

2.2 Local government authority area [City, Town or Shire]

Laverton Shire

2.3 GIS coordinates [GIS coordinates must be provided where cadastre are not used as the premises boundary] Coordinates are listed clockwise, starting from northwest corner – refer plan in Attachment 2.

27o16’02.01”S, 122o55’24.92”E 27o16’06.00”S, 122o55’32.99”E 27o16’13.85”S, 122o55’27.54”E 27o16’09.73”S, 122o55’19.42”E

2.4 An aerial photograph and map of premises [Instructions set out in Attachment 2]

Attachment 2 completed P

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 6

Part 3. Proposed activities (including clearing)

3.1 Description/overview [Instructions set out below and in Attachment 3A]

Attachment 3A completed ü

3.2 Estimated operating period (based on estimated infrastructure life) 1 March 2017 to 28 February 2018

3.3 Proposed date for commencement of works 1 March 2017

3.4 Expected production 20 tonnes of potassium salts

3.5 Design capacity 20 tonnes of potassium salts

3.6 Throughput (in addition to 3.4 or 3.5) Up to 650m3 of brine

3.7 Proposed clearing area (hectares and/or number of trees) - only required if application includes clearing 0.8 ha

3.8 Proposed method of clearing (if applicable) Dozer

3.9 Period within which clearing is proposed to be undertaken (e.g. May 2015 – June 2015) (if applicable)

March 2017

3.10 Map of area proposed to be cleared (if applicable) [Instructions set out in Attachment 3B]

Attachment 3B completed P

INSTRUCTIONS

• You must provide the scope, size and scale of all prescribed activities of Schedule 1 to the Environmental Protection Regulations 1987 including the maximum design capacity and the expected production capacity.

• You must identify emission discharge points. • You must also provide information on any other activity undertaken on the Premises if the activity poses

a risk to public health or the environment. • You only need to provide information on the processes or operations of prescribed activities if they are

unique or non-industry standard processes or operations. Instructions are set out in Attachment 3A. • If you are applying for a clearing permit you must provide the period within which clearing is proposed to

be undertaken (e.g. May 2017 – June 2017) and a description of the method by which it will be undertaken.

Part 4. Other approvals and consultation

N/A No Yes

4.1 Is the proposal a Major Resource Project (formerly known as a State Development Project)? P

Major Resource Projects include mining and petroleum activities or infrastructure projects which support mining and petroleum activities.

4.2 Has the proposal been referred to the Environmental Protection Authority? P

4.3 Is the proposal subject to any Ministerial conditions under the Environmental Protection Act 1986? P

4.4 Has the proposal been referred or assessed under the Environment Protection and Biodiversity Conservation Act 1999 (Commonwealth)? P

4.5 Has the proposal obtained all relevant planning approvals? P

4.6 Has the proposal obtained all other necessary statutory approvals? A Programme of Works will be submitted to the DMP in early January 2017. P

4.7 Has consultation been undertaken with parties considered to have a direct interest in the proposal? P

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 7

4.8 Other Approvals [Instructions set out in Attachment 4]

Attachment 4 completed P

Part 5. Fit and competent operator

Note: Under this section, DER will undertake an internal due diligence of the applicant’s fitness and competency based on DER’s compliance records. If you wish to provide additional information for DER to consider in making this assessment, you may provide that information in Attachment 11 (where it will not be published except where an application has been made, and only in accordance with, the Freedom of Information Act 1992).

No Yes

5.1 Has the applicant held or been part of a small proprietary company that has held a previous licence or works approvals? If yes, specify name of company and/or licence or works approval instrument number in Attachment 5.

P

5.2 If Yes to 5.1 or where the applicant wishes to provide additional information for DER’s consideration, Attachment 5 completed. Note: For an applicant that is a small proprietary company, each director must complete this section as an individual, and include their previous history as directors of other small propriety companies.

P

Part 6. Public health and environmental risks

No Yes

6.1 Is there an emission to air from the activities that poses a risk to public health or the environment? P

(includes emissions from stacks, chimneys, baghouses, blow offs, dust, noise and odour emissions)

6.2 Is there an emission to surface water from the activities that poses a risk to public health or the environment? P

(includes end of pipe or outfall emissions to river, lakes, estuary or seas and pollution from containment overflow)

6.3 Is there an emission to land from the activities that pose a risk to public health or the environment? P

(includes point source emissions to groundwater including direct aquifer reinjection or deep well injection, as well as emissions to land through irrigation and infiltration and seepage pits.

6.4 Is there a risk of other incidents arising from the activities that pose a risk to public health or the environment? P

(includes risk of a pollution incident or unplanned event related to hazardous materials or dangerous goods stored, used or handled)

6.5 Is there waste accepted, stored or recycled on the premises? P

Waste type must be described with reference to Landfill Waste Classification and Waste Definitions 1996 (as amended December 2009) or the Environmental Protection (Controlled Waste) Regulations 2004. Detail must be provided on storage type (e.g. hardstand, containment infrastructure), capacity and containment features (lining, bunding).

6.6 Public health and environmental risks [Instructions set out in Attachment 6]

Attachment 6 completed ü

INSTRUCTIONS

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 8

• You must provide detail on source (e.g. kiln stack), contaminants (e.g. particulates) and quantity (mg/m3) of the emission. Instructions are set out in Attachment 6.

• All material sources of emissions where there is a risk to public health or the environment, and for which there is a receptor must be identified. This includes where you may consider this to be a low risk.

• The risk to public health or the environment and proposed controls are to be specified.

Part 7. Siting and location

No Yes

7.1 Are there sensitive receptors located within specified separation distances from the premises? P

In considering sensitive receptors and separation distances refer to DER’s Guidance Statement: Separation Distances.

7.2 Are the premises located within or adjacent to any Specified Ecosystems such as wetlands, surface water, groundwater or terrestrial areas? The proposed ponds are located on the Lake Wells playa, which is not a specified ecosystem – refer discussion in Attachment 3A

P

In considering Specified Ecosystems refer to DER’s Guidance Statement: Environmental Siting.

7.3 Siting and Location [Instructions set out in Attachment 7]

Attachment 7 completed P

INSTRUCTIONS

Specified Ecosystems are defined in DER’s Guidance Statement: Separation Distances.

Part 8. Assessment Framework – DO NOT COMPLETE: THIS SECTION NOT ACTIVE

No Yes

8.1 Is there an emission that requires screening as per the Guidance Statement: Assessment Framework and underpinning emission guidelines?

8.2 All screening assessments required under Guidance Statement: Assessment Framework and underpinning emission guidelines completed.

8.3 All detailed assessments which may include survey/baseline monitoring, predictive modelling and any other studies required through the Guidance Statement: Assessment Framework completed.

8.4 Compliance with relevant environmental standard or supporting information for variation from environmental standard.

8.5 Assessment Framework [Instructions set out in Attachment 8]

Attachment 8 completed

Part 9. Submission of any other relevant information

No Yes

9 Additional information submitted Attachment 9 completed P

Supplementary documentation submitted List title of supplementary document/s in Attachment 9 Attachment 9A -Botanica Consulting (2016). Flora and Fauna Assessment of the Pilot Pond and Turkeys Nest Development - Lake Wells Project, unpublished report prepared for Australian Potash Limited, Tenement: E38/2742, 20 December 2016. Attachment 9B -Golder Associates Pty Ltd (2016). Draft report: Lake Wells Potash Project Hydraulic Study, unpublished report prepared for Goldphyre Resources Limited, 19 December 2016 Attachment 9C -Galt Environmental Pty Ltd (2016). Technical memorandum: preliminary acid sulfate soil study - Proposed potash project, Lake Wells, document number J1601242 002 TM Rev1, 20 December 2016.

P

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 9

Part 10. Proposed fee calculation

10.1 All information and data used for the calculation of proposed fees provided. ü

Detail of costs of works must include site works (e.g. levelling and drainage), construction works, plant and equipment hire and labour.

10.2 Fee details [Instructions set out in Attachment 10]

Attachment 10 completed ü

INSTRUCTIONS

Fee calculators are available online to assist in completing this section. • Licence fee calculator: www.der.wa.gov.au/LicenceFeeCalculator. • Works approval fee calculator: www.der.wa.gov.au/WorksapprovalFeeCalculator.

Licence and works approval amendments fee calculation (from 1 August 2016). The fee prescribed for an application for an amendment to a works approval or licence is based on a unit value for 2016-2017 of $3.40 per unit, calculated (in accordance with regulation 5BB of the Environmental Protection Regulations 1987):

• for a single category of prescribed premises to which the works approval or licence relates, by using the fee unit number corresponding to the prescribed premises category and relevant production or design capacity threshold in Schedule 4 Part 1 of the Environmental Protection Regulations 1987.

• for multiple categories of prescribed premises to which the works approval or licence relates, by using the highest fee unit number corresponding to the prescribed premises categories and production design or capacity threshold in Schedule 4 Part 1 of the Environmental Protection Regulations 1987.

The relevant fee unit under Schedule 4 Part 1 of the Environmental Protection Regulations 1987 for calculating the application form amendment fee is to be determined by reference to the actual production or design capacity reported for the preceding year’s annual licence fee. If an annual licence fee has not previously been paid or is not applicable as is the case for works approvals, the fee unit for an application for amendment is to be determined by reference to the production or design capacity currently prescribed in the licence or works approval.

Part 11. Submission of application

All information considered exempt from public disclosure has been separately placed in Attachment 11. Grounds for claiming exemption in accordance with Schedule 1 to the Freedom of Information Act 1992 must be specified.

P

A full electronic copy has been submitted via: [email protected]

P

A full hard copy has been sent to: APPLICATION SUBMISSIONS Department of Environment Regulation Locked Bag 33 Cloisters Square PERTH WA 6850

ü

Acknowledgement and signature

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 10

I, Matthew William Shackleton Executive Chairman, Australian Potash Limited (name) (position) I confirm I am authorised on behalf of the applicant to submit this application. I confirm that I have not altered the requirements and instructions set out in this application form. I confirm that the information contained in this application is true and correct and I acknowledge that knowingly providing information which is false or misleading in a material particular commits an offence under section 112 of the Environmental Protection Act 1986 and may incur a penalty of up to $50,000. I acknowledge that this application (excluding Attachment 11) is a public document and may be published. I confirm that information considered exempt from public disclosure has been placed in Attachment 11 with reasons as to why the information should be exempt in accordance with the grounds specified in Schedule 1 to the Freedom of Information Act 1992. I acknowledge that subsequent information provided in relation to this application will be a public document and may be published unless written notice has been given to the Department of Environment Regulation by the applicant, at the time the information is provided, claiming that the information is considered exempt from public disclosure. I acknowledge that the decision to not publish information will be at the discretion of the Department of Environment Regulation and will be made consistently with the provisions of the Freedom of Information Act 1992.

________________________________ Date 23/12/2016 (Signature)

ATTACHMENT CHECKLIST You must ensure that you have provided all of the attachments specified below.

Attachment 1A: Proof of Applicant status

You must provide copies of certificate of title, lease or other instruments evincing proof of occupier status.

No Yes P

Attachment 1B: ASIC Company Extract

You must provide a company extract (showing current company information only) from ASIC.

No Yes P

Attachment 2: Map for proposed premises

You must provide an aerial photograph of sufficient scale showing the proposed premises. You must also provide a map of the proposed premises, identifying: (a) layout of key infrastructure and buildings, clearly labelled; and (b) lot boundaries, with a north arrow, clearly marking the area in which the activities are carried out and of reasonable clarity and visible scale.

No Yes P

Attachment 3A: Proposed activities

You must provide details of proposed activities, identifying: (a) scope, size and scale, including details as to frequency, production and design capacity; (b) key infrastructure and equipment; (c) unique or non-industry standard processes or operations; and (d) emissions discharge points.

No Yes ü

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 11

Attachment 3B: Map for proposed area to be cleared (only applicable if clearing is proposed)

You must provide an aerial photograph or map of sufficient scale showing the proposed clearing area and premises boundary or if you have facilities a digital map on CDROM of the area to clear as an ESRI shapefile with the following properties:

• Geometry type: polygon shape • Coordinate system: GDA 1994 (Geographic latitude/longitude)

Datum: GDA 1994 (Geocentric Datum of Australia 1994)

No Yes P

Attachment 4: Other approvals

You must provide details of other approvals specified in section 4 of this application, including copies of relevant decisions and any consultation undertaken with interested parties.

No Yes

ü

Attachment 5: Fit and competent operator

You must specify the name of the small proprietary company/companies that you have been involved in that have previously held a licence or works approval instrument, or provide the licence or works approval instrument number.

No Yes P

Attachment 6: Public health and environment risks

You must provide details of public health and environment risk (including risks you have assessed as low), identifying: (a) Source of emissions, Specific emissions, Receptors and proximity and Proposed controls. Providing details

of specific emission quantities may not be relevant for some emissions such as odour, noise and dust or emissions arising from incidents or unplanned events.

(b) Waste type (including waste generated onsite), quantity, storage and location of waste which relate to activities that fall within the category of prescribed premises in Schedule 1 to the Environmental Protection Regulations 1987.

Refer Attachment 6

Set out below is a suggested format for specifying waste types.

Waste Type Quantity Storage Location

Waste salt (<5% bitterns) ~500 tonnes in total HDPE lined pond 492,478mE;6,983,768mS

Attachment 7: Siting and location

You must provide a map showing siting and location of the premises to a 5km radius including identification of distances to sensitive receptors. Calculation of distance should be made in accordance with the Guidance Statement: Environmental Siting and the Guidance Statement: Separation Distances. Should the premises be in locations identified through Guidance Statement: Environmental Siting, further information including depth to groundwater, water quality and beneficial uses must be provided.

Refer Attachment 7 No Yes P

Attachment 8: Assessment Framework – NOT IN USE

N/A

Attachment 9: Other relevant information

Applicants seeking to submit further information may include information in Attachment 9.

Where supplementary documentation is submitted, please specify name of documents below. Attachment 9A -Botanica Consulting (2016). Flora and Fauna Assessment of the Pilot Pond and Turkeys Nest Development - Lake Wells Project, unpublished report prepared for Australian Potash Limited, Tenement: E38/2742, 20 December 2016. Attachment 9B -Golder Associates Pty Ltd (2016). Draft report: Lake Wells Potash Project Hydraulic Study, unpublished report prepared for Goldphyre Resources Limited, 19 December 2016

No Yes ü

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 12

Attachment 9C -Galt Environmental Pty Ltd (2016). Technical memorandum: preliminary acid sulfate soil study - Proposed potash project, Lake Wells, document number J1601242 002 TM Rev1, 20 December 2016.

Attachment 10: Proposed fee calculation

In the form provided: see following Attachment.

Refer Attachment 10 No Yes ü

Attachment 11: Request for exemption from publication

In the form provided: see following Attachment

Refer Attachment 11 No Yes P

Attachment 10: Proposed fee calculation

Summary of proposed fees

Proposed works approval fee (see Schedule 3 of the Environmental Protection Regulations 1987)

Fee component Proposed fee $ Cost of works: $ 38,906.80 $ 855.00

Proposed licence fee (see Schedule 4 of the Environmental Protection Regulations 1987)

Part 1 Component $1751.42

Part 2 Component $1468.55

Part 3 Component 0

Total proposed licence fees: $ 3219.97

Proposed works approval and licence amendment fee (see Schedule 4 Part 1 of the Environmental Protection Regulations 1987 and Part 10 of this application form)

Fee units Proposed fee $ 3219.97 Note: (1) DER has fee calculators available on its website:

- Licence: www.der.wa.gov.au/LicenceFeeCalculator; and - Works approval: www.der.wa.gov.au/WorksApprovalFeeCalculator. (2) Different Fee Units apply for different fee components. Fee Units may also have different amounts depending on

the period in which the calculation is made. (3) Refer to Part 10 of this application form for instructions on fee calculations for applications to amend works

approvals and licences Detailed breakdown of proposed licence fees

Premises component

Proposed licence fee: Part 1 Premises (see Part 1 of Schedule 4 of the Environmental Protection Regulations 1987) Premises: Solar salt manufacturing

Sub total $ 1751.42

Discharges to air, onto land, into waters

Proposed licence fee: Part 3 Discharges to air No discharges to air (see Part 3 of Schedule 4 of the Environmental Protection Regulations 1987)

Discharges to air Discharge quantity Discharges to air Discharge

quantity

Carbon monoxide 0 Nickel 0

Oxides of nitrogen 0 Vanadium 0

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 13

Sulphur oxides 0 Zinc 0

Particulates (PM10 and PM2.5) 0 Vinyl chloride 0

Volatile organic compounds 0 Hydrogen sulphide 0

Inorganic fluoride 0 Benzene carbon oxysulphide 0

Aluminium 0 Carbon disulphide 0

Arsenic 0 Acrylates 0

Chromium 0 Beryllium 0

Cobalt 0 Cadmium 0

Copper 0 Mercury 0

Lead TDI (toluene-2, 4-di-iso-cyanate)

Manganese 0 MDI (diphenyl-methane di-iso-cyanate)

0

Molybdenum 0 Other waste 0

Subtotal $ 0

Proposed licence fee: Part 3 Discharges onto land or into waters No discharges to land or water (see Part 3 of Schedule 4 of the Environmental Protection Regulations 1987)

Discharges onto land or into waters Discharge quantity

1. Liquid waste that can potentially deprive receiving waters of oxygen (for each kilogram discharged per day) —

(a) biochemical oxygen demand (in the absence of chemical oxygen demand limit)

0

(b) chemical oxygen demand (in the absence of total organic carbon limit)

0

(c) total organic carbon 0

2. Biostimulants (for each kilogram discharged per day) —

(a) phosphorus 0

(b) total nitrogen 0

3. Liquid waste that physically alters the characteristics of naturally occurring waters —

(a) total suspended solids (for each kilogram discharged per day)

0

(b) surfactants (for each kilogram discharged per day)

0

(c) colour alteration (for each platinum cobalt unit of colour above the ambient colour of the waters in each megalitre discharged per day)

0

(d) temperature alteration (for each 1°C above the ambient temperature of the waters in each megalitre discharged per day) — (i) in the sea south of the Tropic of

Capricorn (ii) in other waters

0

4. Waste that can potentially accumulate in the environment or living tissue (for each kilogram discharged per day) —

(a) aluminium, arsenic, cadmium, chromium, cobalt, copper, lead, mercury, molybdenum, nickel, vanadium and zinc

0

(b) pesticides 0

(c) fish tainting wastes 0

(d) manganese 0

(a) 1 000 to 5 000 organisms per 100 ml 0

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 14

5. E coli bacteria as indicator species (in each megalitre discharged per day) —

(b) 5 000 to 20 000 organisms per 100 ml 0

(c) more than 20 000 organisms per 100 ml

0

6. Other waste (per kilogram discharged per day) —

(a) oil and grease 00

(b) total dissolved solids 0

(c) fluoride

(d) iron 0

(e) total residual chlorine 0

(f) other 0

Subtotal $ 0

Information and data used to calculate proposed fees

The detailed calculations of fee components, including all Information and data used for the calculations are provided in the specified annexures to this application.

Proposed fee for works approval Annexure No

Details for cost of works Attachment 10

Proposed fee for licence Annexure No

Part 1: Premises Attachment 3A

Part 2: Waste types Attachment 3A

Part 3: Discharges to air, onto land, into waters Nil – Attachment 3A

Prescribed fee for clearing permit (only required if clearing deviates or extends from that proposed in works approval or licence application)

Please indicate the clearing permit application fee Not applicable: Clearing will be exempt from clearing permit if conducted under approved PoW. Area Permit:

$50 for an area of less than one hectare $100 for an area between one hectare and 10 hectares $200 for an area of more than 10 hectares

Purpose Permit: A $200 fee is required for all purpose permit applications

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 15

Attachment 11: Request for exemption from publication

Information which you consider should not be published on the grounds for claiming exemption in accordance with Schedule 1 to the Freedom of Information Act 1992 must be specified in this Attachment.

NOT FOR PUBLICATION IF GROUNDS FOR EXEMPTION ARE DETERMINED

Section [1.8]:

Section [6.6]:

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Department of Environment Regulation

Guideline and application form for applications (July 2016 V4) 16