1. VILLAWOOD SOIL REMEDIATION PROJECT COMMUNITY MEETING 3 June 2015

2. © Orica Limited Group AGENDA ItemPresenterTime 1 Welcome, apologies, introductionChair, Gwenda Lister (Orica)6.30 pm 2 Update on actions from last meetingGwenda Lister (Orica)6.35 pm 3 Progress update – DTD plantRichard Giles (Enviropacific Services)6.40 pm 4 Project environmental monitoringKerby Lofts (Enviropacific Services)7.00 pm 5 Progress update – regulatory approvalsPeter O’Dea (Orica)7.10 pm 6Project regulationDiscussion forum7.15 pm 7Report by community Independent ExpertDr Garry Smith 7.20 pm 8Other business / summary of actions All7.30 pm 9Meeting closeChair, Gwenda Lister (Orica)7.45 pm

3. © Orica Limited Group Welcome Amenities Attendance list Apologies Minutes of last meeting accepted? 3 INTRODUCTION

4. © Orica Limited Group The project is to remediate, using Directly-heated Thermal Desorption (DTD) technology, 25,000 m 3 of soil contaminated with DDT and other chemicals from operations which ceased in 2000 Current timing: –Commissioning and Performance Testing completed December 2014 –Soil Treatment Operations January - July 2015 –Demobilisation and Backfilling July to September 2015 4 PROJECT SNAPSHOT

5. © Orica Limited Group Find out about the Government Asbestos Disposal Trial Done – email sent to resident. 5 ACTIONS FROM LAST MEETING

6. Project Update June 2015 Richard Giles

7. Progress so far… Leading the Way Activity Complet edTimeframe Thermal Plant mechanical/electrical commissioning May-Sep 2014 24-hour clean soil shakedown Sep 2014 Proof of Performance Testing (three stack tests) Sep-Dec 2014 Reduced Rate Operations Jan 2015 Monthly Compliance Stack Testing OngoingJan-Jun 2015 Commercial Operations OngoingFeb-Jun 2015 Validation of Excavations  Jun-Jul 2015 Decontamination of equipment and demobilisation  Jul-Sep 2015

8. Monthly Compliance Testing Stack Results Leading the Way PollutantUnits EPL 2149 Limit Jan 2015 Feb 2015 Mar 2015 Apr 2015 Status Total Particulatemg/m 3 25<2.5<3.22.2<1.8Pass Dioxin (TCDD1-TEQ)ng/m 3 0.10.0140.00950.000430.0039Pass Total VOC's (as n- propane)mg/m 3 20<2.7<5.0<2.2<3.3Pass COmg/m 3 1252.64.61.81.6Pass H 2 SO 4 as SO 3 mg/m 3 75<0.96<0.94.93.9Pass NOx as NO 2 mg/m 3 350128157165129Pass Oxygen%n/a10 11n/a Chlorinemg/m 3 200<1.3<1.2<0.86<0.45Pass HClmg/m 3 100<1.3<1.2<0.86<0.9Pass Total Fluoride (HF)mg/m 3 35<0.97<0.87<0.81<1.1Pass Total Heavy Metals (Type 1 & type 2 substances in aggregate) mg/m 3 10.0850.0740.0440.035Pass Cd (Cadmium)mg/m 3 0.2 <0.000 41 <0.000 62 <0.0001 0 0.0001 5Pass Hg (Mercury)mg/m 3 0.20.0750.0620.0380.002Pass

9. Commercial Operations Leading the Way Since 9 Feb 2015 the plant has been operating under Commercial Operations limits set by the project Environment Protection Licence. The plant control system was updated with warnings and automatic feed cut-offs which alert the operators if these limits are being approached, and shut the plant down if the limits are reached. There have been no licence breaches during Commercial Operations.

10. Site Works Leading the Way Excavation of previously identified Impacted Soil Zones Validation of these ISZ by sampling and laboratory analysis Pretreatment of contaminated material within the SSF – adding lime, crushing, blending to provide consistent feed Thermal treatment and validation of treated soil Emplacement of treated soil in western area

11. Leading the Way Progress Photos – Site 2013

12. Leading the Way Progress Photos – Site 2015

13. Leading the Way Progress Photos – Personal Protection

14. Leading the Way Progress Photos – Deep Excavation

15. Leading the Way Progress Photos – Odour Control

16. Leading the Way Progress Photos – Backfill Area

17. Upcoming Works – next 3 months Leading the Way Validate ISZ excavations; Undertake additional excavation in Pharmaceutical Area; Complete thermal treatment; Backfill excavations to prevent ponding and scouring; Complete western encapsulation – cap ACM with geofabric and imported VENM; Decontaminate and demobilise thermal plant and buildings; Remove water treatment infrastructure (treatment plants and ponds).

18. Thank you

19. Project Environmental Monitoring Kerby Lofts

20. Monitoring Noise, Dust and VOC’s Started in early 2013 Dust and VOC/SVOC monitoring is carried out periodically on the site boundary by the environmental consultant Noise monitoring is undertaken at four offsite locations shown on the following map. Asbestos Monitoring Daily asbestos fibre monitoring is conducted at minimum 4 locations on site Weekly asbestos fibre monitoring is conducted at 4 locations on the site boundary.

21. Monitoring Noise Monitoring Locations

22. Monitoring Noise Results: The consultant has been unable to quantify the site noise levels at the offsite locations due to their relatively minor nature – traffic is the most obtrusive noise source in this area and this has been confirmed over repeated monitoring events.

23. Monitoring Dust and VOC Results: The dust concentration goal is less than 50 µg/m 3. This was exceeded during a single monitoring event in October 2014, but was indicative of poor regional air quality – the BOM Liverpool monitoring station registered 52 µg/m 3 and site boundary readings were between 49 and 54 µg/m 3 No concentration limit exceedances for VOC’s and SVOC’s have been recorded.

24. Monitoring Asbestos Results: Over 700 ambient air samples have been collected and analysed for asbestos fibres There has not been a single result above the limit of reporting, which validates our onsite dust management protocols and ensures the health and safety of onsite and offsite personnel

25. Ongoing Monitoring Offsite Dust Monitoring: Weekly off site air monitoring for dust and site chemicals commenced on 17 January 2014 at the Chester Hill Girl Guides Hall on Waldron Road. This was discontinued after April 2015, when the site power access was locked up

26. Ongoing Monitoring Off-site Results: There has been no detection of chemicals in the dust above predicted and approved limits, and total dust load has ranged between 16.7 and 72.7 µg/m 3, apart from the times that the surrounding lawn was mown. 17 of 61 monitoring results have been above the site criterion of 50 µg/m 3 (NEPM).

27. Ongoing Monitoring On-site Dust Monitoring Daily monitoring is undertaken using a TSI Dustrak II to measure concentrations of particulate matter with a diameter <10µm (PM 10 ) suspended in air.

28. Monitoring for VOC and SVOC concentrations using an UltraRae 3000 PID is undertaken daily. Monitoring locations are selected each day based on excavation locations, wind speed and direction. Additional mitigation measures are implemented if VOC/SVOC concentrations are detected above the action limit, or if odours are detected. VOC, SVOC and Odour Monitoring

29. Environmental Controls/Mitigation Measures Minimising active excavation faces Covering impacted material with foam and/or mulch to suppress off-gassing Having a spotter continuously spray water containing an odour-suppressant (Anotec) over the active work area Covering loads while hauling material onsite Utilising misters (containing Anotec) around the active work area to combat odours; and Transferring the odorous material as quickly as possible to the SSF, where odorous emissions are eliminated through our ECS GAC filters.

34. Ongoing Monitoring ECS Stack Emissions Samples are taken and analysed every minute using an FID Stack emission concentrations have remained within licence limits since commissioning

35. Water Treatment Our Trade Waste Agreement with Sydney Water has been operational for approximately 2 years, whereby treated site water is tested before discharge to sewer In April 2015, one round of sampling had results slightly above discharge criteria, which indicated saturation of our GAC filters. The GAC was replaced, and the failed water was re-treated, re-sampled, analysed and approved before discharge. Approximately 30.5 megalitres have been discharged under the Trade Waste Agreement

37. Presentation Title

38. © Orica Limited Group Licence Variations EPA Issued Licence Variation 5 March 2015 to adjust the ECS stack velocity EPA Issued Licence Variation 23 April 2015 to allow processing of stockpiled material ex Chester Hill 38 REGULATORY APPROVALS

39. © Orica Limited Group Discussion Forum 39 PROJECT REGULATION

40. © Orica Limited Group Several queries in the last week re the project: neighbours needing assurance about the controls in place Several queries re odour One query relating to dust that has been followed up with additional testing on their site. EPA advised that Council had received and passed on number of complaints over the past 2-3 weeks. 40 COMMUNITY ISSUES

41. © Orica Limited Group Dr Garry Smith 41 COMMUNITY INDEPENDENT EXPERT REPORT

42. © Orica Limited Group 42 OTHER BUSINESS / ACTION SUMMARY