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CCG MeetingAngaston 6th May 2009

Mine Operation Update

Eastern area

Shaping and topsoil addition continuing

Preparation for planting of trees and grass

Continuing to crush on western side of eastern mound

Western MPL

Topsoil removal continuing will be completed by mid May

The accessible topsoil mound has been sown with sterile rye grass onto

Topsoil sample submitted for testing and results received for future comparison, sampling continuing

Overburden being placed and shaped first stage of levelling

Surface water retention basin in place, directional irrigation to silt traps

Other

Quarterly Compliance Report submitted to PIRSA

Draft overburden report submitted to PIRSA

Chasing NRM Board approval of Jaeckeli Ck Management Plan

Later loading time of train loading has commenced

Dust mitigation plan continuing

Investigating Mine closure concept plans (subject to hydrology outcome)

April 2009 Complaints Register

Refer corrected handout with full list for January to March 2009 in the Quarterly Compliance Report

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Dust Emission Reduction Initiatives

No Plant Item Target Completion Date

Impact Action

1 Front entrance Road watering, only water to gate 1/4/09 Reduce water/drag out to Penrice Rd Completed

2 Penrice Road Change to Envirosweep street sweeper

6-04- 09 Improve sweeping of drag out Completion 27/4/09

3 Truck wash Upgrade water recycle system 31/07/09 Improve washing efficiency Quote being organised

4 Osborne train loader

Commence water sprays to Osborne stone ½ hour prior to loading

2/04/09 Reduce emissions at return circuit Commencing water sprays 1/4hour prior to loading (mud problem with ½ hour) Moving to automatic PLC

5 Osborne train loader

Maintain chute water sprays with polocitrus

Serviced quarterly

Comments from residents this is working

6 Osborne plant Apply water sprays on tertiary plant & Q10 at all times

1/04/09 Reduce dust at these handling points Aligned to No11- Completed 1/5/09

7 PC1 Crusher Auto water spray on trucks entering to unload

31/07/09 Negates manual activation by operator Receiving quotes for Automation using PLC

8 PC1 Crusher Shroud unload bin in shade cloth 31/07/09 Improve effectiveness of water sprays Barossa engineering quoting on this

9 ABC Stockpiles Shroud perimeter 30/04/09 Reduce dust emission through wind erosion

Two options- permanent cyclone fence with shade cloth or cement bollards

10 ABC Stockpile Spray completed pads with green covering

30/04/09 Reduce dust emission from stockpiles Paid for product waiting delivery

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Dust Emission Reduction Initiatives

11 Fine Mill Plant Close down from 1/5/09 1/5/09 Customers to be notified Completed

12 Top Soil Stockpile

Spray stockpile with green covering 30/04/09 Reduce possible dust emission from wind & rain?

Seeded sterile Rye grass, finish when accessible

13 Aggregate PlantComplete auto water sprays of working area around plant

30/08/09 Reduce dust from vehicle movements Requires PLC being quoted

14 Aggregate plant feed stock piles

Erect a overhead water spray system for all trucks to pass under before unloading to stockpiles

30/9/09 Reduce dust in crushing plants Designs being considered

15 Aggregate PlantIncrease water application during start up/shut down and when empty with automatic sprays

30/04/09 Check if possible Looking at PLC installation for this watering control

16 Aggregate Plant Bins

Automate sprays to be on all day 15/04/09 Reduce dust in strong wind conditions Completed

17 Aggregate PlantImprove water sprays at sand output end

30/06/09 Reduce dust in string winds Options being investigated

18 OI Glass Plant Assemble foam spray applicators 30/09/09 Reduce dust emission in strong winds Investigating foam options

19 Aggregate PlantReview use of shade cloth in this area to reduce wind impact

31/07/09 Reduce dust emission in strong winds Under review along with No 9

20 Osborne train Review ability to stop return <50mm stone

30/6/09 Reduce dust emissions at return bins Trial scheduled for May

21 Front entrance Seal roads from entrance to weigh bridge

30/10/09 Reduce drag out to Penrice Rd Maunsells are doing design work for resurfacing

No Plant Item Target Completion Date

Impact Action

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TSP & PM10 Dust results April

TSP Limits: 120 µg/m3

Date TSP (µg/m3)High wind Sp

(km/h) Wind direction

1/4/09 106.4 49.9 SSW

4/4/09 60.8 33.8 NW

7/4/09 84.4 53.1 SSW

10/4/09 26.5 41.8 SSW

13/4/09 72.5 43.5 NW

16/4/09 52.2 56.3 NNW

19/4/09 21.2 49.9 SSW

22/4/09 58.4 45.1 ESE

PM10 Limits: 50 µg/m3

Date PM10 (µg/m3) High wind Sp (km/h) Wind direction

1/4/09 41.1 49.9 SSW

4/4/09 16.7 33.8 NW

7/4/09 17.2 53.1 SSW

10/4/09 7.6 41.8 SSW

13/4/09 19.6 43.5 NW

16/4/09 18.9 56.3 NNW

19/4/09 5 49.9 SSW

22/4/09 20.6 45.1 ESE

PM10 1/4/09 potential source Western MPL topsoil

Noise Abatement Initiatives

Noise monitoring program at Penrice Rd residents complete, Penrice to meet with residents and discuss

Trial delayed start Train loading – 0730am start Monday to Friday – 0800hrs start Saturday and Sunday

Two trains on Thursday 9th and Friday 17th for Easter and Vintage Festival

Site Noise Monitoring by Bassett Acoustics will be undertaken in June and reported in July.

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Hydrology

Have now commissioned Aquaterra to undertaken mine closure Hydrology Study

To be completed in approximately 4 weeks