environmental monitoring at aes, tullamore …aes tullamore (w0104-03) report no. ecs5125 december...

For the Attention of: Mrs. Phoebe Dillane

Environmental Officer.

Bord na Móna Resource Recovery.,

Bord na Móna Offices,

Main Street Newbridge,

Co. Kildare.

Site Work Completed by: Ms. Kate Tynan

Sampling Date: 19/11/15 (SW)

No Trade effluent reported for this period

Report Prepared by: Ms. Kate Tynan

Environmental Scientist

Report Reviewed by: Mr. Peter Coogan

Environmental Team Leader

Report Ref No: ECS5125-SW/TE

Monitoring Period: Q4 2015

Report Date: 26th January 2016

This report shall not be reproduced except in full, without the approval of Bord na Móna Environmental. All queries concerning the report or its

contents should be forwarded to the Monitoring Team Leader.

_______________________________________________________________________________________________________

ENVIRONMENTAL MONITORING AT AES, TULLAMORE,

CO. OFFALY;

SURFACE-WATER/ TRADE EFFLUENT (4 OF 4)

IN ACCORDANCE WITH WASTE LICENCE REGISTER

NO.

W0104-03

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AES Tullamore (W0104-03) Report No. ECS5125

December 2015

EXECUTIVE SUMMARY

In accordance with Waste Licence Register No. W0104-03, Advanced Environmental Solutions Ltd.

(AES) is required to carry out a quarterly assessment of Surface Waters Discharge and Trade Effluent

at its site at Cappancur, Tullamore, Co. Offaly.

The Quarter 4 surface water monitoring was carried out by an Environmental Scientist from Bord na

Móna Environmental on the 19th of November 2015.

Trade Effluent (TE)

All trade effluent generated onsite is sent by tanker to the local authority wastewater treatment plant. If

the effluent is tankered off-site a sample taken and analysed. As no effluent was tankered off-site during

this period, no analysis was completed.

Surface Water

The AES site was visited by Bord na Mona Environmental on a number of dates during Qtr4 to obtain

a discharge sample at SW-1.On each occasion the discharge location was flooded. As a result a

representative sample of the sites discharge could not be obtained for this quarter. The site was also

visited by Mr. Ross O’Dwyer (EPA) on the 2nd of December to carry out surface water sampling, on this

occasion the area was also classified as flooded.

Ammonia concentrations have increased since last monitored in quarter 3 (0.42mg/l to 0.55mg/),

however it is still within the agreed trigger action limit of 0.9mg/l. COD (58mg/l) exceeded the trigger

warning limit (40mg/l) and the trigger action limit (50mg/l).

All remaining results are below both the Warning & Action Trigger Limits as agreed with the Agency and

are within line with previously detected values.

This report is certified as accurate and representative of the sampling and associated analysis carried

out.

Respectively Submitted,

__________________________ _________________________________

Ms. Kate Tynan Mr. Peter Coogan

Environmental Scientist Environmental Team Leader

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1.0 INTRODUCTION

In accordance with Waste Licence Register No. W0104-03, Advanced Environmental Solutions

Ltd. (AES) is required to carry out an assessment of the Trade Effluent and Surface Water

quality at its site at Cappincur, Tullamore, Co. Offaly on a quarterly basis.

Bord na Móna Environmental was commissioned to perform the sampling and analysis.

Samples were taken from SW1 on the 19th November and returned to the laboratory for

analysis.

This report details the sampling methodologies and procedures followed and describes the

findings of the sampling and analysis.

2.0 METHODOLGY

2.1 Monitoring Locations

The sampling locations are described in Table 2.1 below and marked on the map contained in

Appendix 1.

TABLE 1: LOCATION OF SURFACE WATER SAMPLING STATIONS

Map Reference No. Location

SW-1

South-west perimeter of site. Drainage ditch (discharge pipe) – Tributary of

Tullamore River

TE Adjacent to Eastern boundary of main waste reception shed

2.2 Sampling

Grab samples were extracted in accordance with the following standards;

TABLE 2: SAMPLING PROCEDURE AND GUIDANCE

ISO Standard Description

ISO 5667-1-2006 Guidance on the design of sampling programmes and sampling techniques

ISO 5667-3-2012 Guidance on sample preservation and handling

ISO 5667-14-2014 Guidance on quality assurance of environmental sampling & handling

ISO 5667-6-2012 Guidance on sampling rivers & streams

Sampling was conducted in strict accordance with Bord na Móna Environmental recognised

Standard Operations Procedures (SOP) TS-W-02. All samples were returned to the laboratory,

and stored between 1-8°C. Details of the laboratory accreditation, methods and quality

standards are provided in Appendix 2.

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December 2015

3.0 RESULTS

3.1 Tankered Effluent Results

During Quarter 4 the site did not send any trade effluent offsite for treatment at a waste water

treatment facility therefore no sample of trade effluent was taken.

3.2 Storm Water Results

TABLE 3: RESULTS OF CHEMICAL ANALYSIS OF SURFACE WATER SAMPLE

Parameter Units SW-1

Discharge

Limits Note 1

Trigger

Warning

Limits

Trigger

Action

Limits

Field Readings

pH pH units 7.17 >6.5 - <9.5 >6.5 - <9.0

Temperature °C 9.5 - -

Conductivity µs/cm 654 900 1000

Dissolved Oxygen mg/L 6.60 - -

% 58.3 - -

On-Site Visual Inspection

- Light Yellow, No

Suspended Solids No abnormal

changes No abnormal

changes Odour - None

Laboratory Analysis

BOD Note 2 mg/l <2 2.6 3.72

COD Note 2 mg/l 58 40 50

Suspended Solids Note 2 mg/l <5 25 35

Ammonia as N Note 2 mg/l 0.55 0.14 0.9

Chloride Note 2 mg/l 28 40 50

**DRO mg/l <0.01 – –

**Mineral Oil mg/l <0.01 0.01 0.01

Notes: ** Subcontracted Analysis

Note 1: Action and warning limits as agreed with the agency.

< Less than laboratory limit of detection

Note 2: See Appendix 2 for Laboratory Test Methods / Accreditation.

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December 2015

4.0 DISCUSSION & INTREPERTATION

Surface Water

The AES site was visited by Bord na Mona Environmental on a number of dates during Qtr4 to

obtain a discharge sample at SW-1.On each occasion the discharge location was flooded. As

a result a representative sample of the sites discharge could not be obtained for this quarter.

The site was also visited by Mr. Ross O’Dwyer (EPA) on the 2nd of December to carry out

surface water sampling, on this occasion the area was also classified as flooded.

For comparison and discussion purposes results are compared to their respective Trigger Limits

and the previous monitoring event (see Report Ref: ECS5125 – Qtr 3 2015).

Ammonia concentrations (0.55mg/l) were elevated above the agreed Trigger Warning Limit

(0.14mg/l) on this sampling occasion however the result was below the Trigger Action Limit of

0.9mg/l. The ammonia concentration have increased since the previous monitoring event in

July. COD concentrations (58mg/l) were elevated above the agreed Trigger Warning Limit

(40mg/l) and Trigger Action Limit (50mg/l).

The results of all remaining parameters were found to be below both the Trigger Warning & Trigger

Action Limits as agreed with the Agency. All remaining results when compared to Quarter 3 were

similar with a few slight variations.

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December 2015

APPENDIX I

Monitoring Locations

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TE

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December 2015

APPENDIX 2

Analytical Methods

Lab Accreditation

Chain of Custody

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December 2015

Analytical Methods

Analysis of water sampling was conducted in accordance with recognised standard methods as detailed

below

ANALYSIS OF SAMPLES

Parameter Limit of Detection Method Accredited

Visual Inspection - On-Site Visual Determination -

Odour - On-Site Sensory Determination -

pH (pH units) 0.1 – 14 In-Situ Calibrated pH /

Temperature Thermometer -

Conductivity (µs/cm) 0.01 μS/cm to 200.0 mS/cm

In-Situ Calibrated Conductivity

Meter

-

Temperature (oC) -10 to 110 °C In-Situ Calibrated pH /

Temperature Thermometer -

Ammonia-N (mg/l) <0.02 mg/l NH3-N G/67: Based on APHA, 2012, 22nd

Ed,4500-NH3 & Bluebook Ammonia in Waters 1981

INAB

Biochemical Oxygen Demand (BOD) (mg/l)

<2 mg/l BOD G/04: Based on APHA, 2012, 22nd

Ed, Method 5210B. INAB

Chemical Oxygen Demand(COD)(mg/l)

<10 mg/l G/03: Based on APHA 2012, 22nd

Edition, Method 5220D

INAB

Suspended Solids (mg/l)

< 5mg/l dried residue G/19: Based on APHA, 2012, 22nd

Ed, Method 2540D INAB

Chloride (mg/l) <2 mg/l Cl G/67: Based on APHA, 2012, 22nd

Ed, Method 4500-Cl INAB

Heavy Metals (µg/l) <2µg/l G112 Based on EPA Method

200.8 X

*Mineral Oils & *DROs <0.010 mg/l GC X

Notes:

INAB Accredited Test Method – INAB Registration Reference No. 083T.

X Non-INAB or UKAS Accredited Test Method

* Sub-Contracted Test – Jones Environmental, UKAS Accredited Laboratory, UK.

G/ INAB Accredited Method, Bord na Móna Environmental & Analytical Services Standard Operating

Procedures Manual

APHA- American Public Health Association, Standard Methods for the Examination of Waters and Wastewaters,

22nd Edition, 2012.

< Less than laboratory limit of detection

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December 2015

ACCREDITED QUALITY SYSTEM

INAB Accreditation

Bord na Móna Environmental analytical laboratories are accredited to ISO 17025 by the National

Accreditation Board (INAB). ISO 17025 accreditation ensures that the laboratory operates a quality

system with technically competent staff. The laboratory has accreditation since 1997 and it is the policy

of the laboratory to achieve and maintain a high standard of quality consistent with client's requirements

in all aspects of the work carried out within the laboratory.

Interlaboratory Proficiency Schemes

To ensure the accuracy of the analytical testing the laboratory participates in several external

proficiency schemes. The ongoing competence of the laboratory and its staff is assessed by

participation in various inter-laboratory proficiency testing schemes, such as LGC Aquacheck scheme

and the EPA Intercalibration programme organised for environmental laboratories throughout Ireland.

Bord na Mona Environmental Laboratory Services & Analytical Laboratory is listed on the EPA’s register

of Quality Controlled Laboratories

Control Chain of Custody

As part of the Quality System in place in Bord na Móna Environmental, measures are taken to ensure

controlled chain of custody. An outline of the chain of custody is given below.

Bord na Móna Environmental

SITE TRANSPORT LABORATORY

Sampling and packaging of

all samples were carried out

by BnM Environmental

Monitoring Team:

Transport

Document

Form

Transport to

laboratory by BnM

Environmental

Technical Team.

Sample

Reception

Form

Receiving of samples at BnM

Environmental Laboratory complex

by: Laboratory Manager

(Secure laboratory complex access

to authorised personnel only)

Kate Tynan

Storage of all samples for 1 month

period after report issue.

Supervised Disposal

CONTROLLED CHAIN OF CUSTODY

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December 2015

APPENDIX 3

Laboratory Certificate

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environmental monitoring at aes, tullamore …aes tullamore (w0104-03) report no. ecs5125 december...

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