Tullamarine Rehabilitated Landfill

> 27 November 2013

Tullamarine Landfill Rehabilitation

2

Task Progress Update> Light Non Aqueous Phase Liquid (LNAPL) Trial

Update on Progress> Flare Update on Progress> Buffer Land Environmental Audit Progress> Landscaping Plans

LNAPL Trial Update

Key Changes Resulting from Community Input>Options for disposal explored>System redesigned so there is extra vapour treatment and no onsite storage or reinjection>Trial has a consultation period following first round of field trials to allow for greater level of feedback from Tullamarine community and stakeholders

LNAPL Distribution

4

Prepared by URS, 2013

LNAPL Trial Commencing Early 2014

Stage 1 Testing>All wells tested by removing 100 to 200 litres of LNAPL>Recovery (recharge) in each well measured over a period of approximately 4 weeks >Results reported back to Tullamarine Community Feb & May 2014>LNAPL destruction (3 facilities trialled)

LNAPL Stage 1 Testing

VapourFlared

Cap

LNAPL

Sealed Area

Tank (1 m3)

GACs 2x

Enclosed Well Head Assembly

Leachate

Leachate Well

Leachate Well Perforations

LNAPL thicker in well

Pump (intake positioned in LNAPL)

Wellhead Assembly

7

Prepared by URS, 2013

Pump Winch Assembly

Enclosure

LNAPL Return

Contain-ment line

Stage 2 Detailed Testing

> Tullamarine Community will be engaged on the process> Wells will be selected based recovery / recharge> Repeat of Stage 1 testing except each well will be

pumped continuously for approximately a week> Monitoring of yield & levels similar to Stage 1> LNAPL disposal same as Stage 1 (no reinjection or

storage)

LNAPL Trial (Completed Tasks)

Waste Disposal Approval

Independent Panel Review

LNAPL Trial Design Review

LNAPL Trial (Upcoming Tasks)> Procurement & Fabrication (Dec / January 2014)> Factory Testing & Commissioning (Feb 2014)> Well Integrity Testing (Feb 2014)> Rebound Monitoring (Feb / Mar 2014)> Data Analysis & Reporting (Mar / Apr 2014)> On track to commence field trial February 2014> Will report to the Tullamarine community the results in May

2014

Environmental Control

Vapour/ landfill gas>Sealed well heads during extraction;>System connected to landfill gas system and GAC vessels, 2 in series.

Spillage control>Double walled LNAPL collection/storage tanks;>Sealed work area around well head;>Secondary contained transfer hosing;

Environmental ControlNoise>Operations during business hours so no change to current conditions.

Monitoring:>Portable Landfill Gas and Trace Gas monitors>Samples of LNAPL, leachate & vapour obtained & analysed by laboratories

LNAPL Trial Summary> Design changes were made incorporating Tullamarine

Community suggestions> Field Trials to commence in February 2014 testing all

wells> The results will be reported to the community in February

and May 2014> The project includes LNAPL destruction trials

Enclosed Flare Proposal

URS Design Report Complete

URS Flare Emissions Model Complete

> Auditor Reviewing

> Flare will be installed by March 2014

Flare Design Update

Flare design includes :Emission testing ports Emissions analysis (including VOCs, such as Benzene and VC, and Dioxins) as part of commissioning process

Ports and analysis not an EPA requirement however TPI will commission.

Flare OutlineDesign

Rezoning

Public Exhibition until 9 December (this application relates to land rezoning)

S53X Audit Nearing Completion (this process is running in parallel to land rezoning process )

> Anticipate Audit statement completed early 2014> Separate applications would be submitted for individual

buildings and subdivision works which will be available for residents to view

Rezoning

Prepared by TPG, 2012

Environmental AuditFour Studies completed by Golder and Kleinfelder. Soil (Golder, 2012a & Kleinfelder, 2013) Vapour (Golder, 2012b & Kleinfelder, 2013) Groundwater (Kleinfelder, 2013) Landfill Gas (Kleinfelder, 2013)

> Auditor reviewing.

Buffer Land Investigation

Over 60 trial pits completed Five soil vapour bores (V01-V05) Groundwater Sampling completed Landfill Gas Risk Assessment

completed Studies demonstrate low to

negligible risk to future site users from soil, landfill gas, vapour & groundwater

Western Ave

Freeway

Wrig

ht S

t

Trial Pit Locations

Prepared by Kleinfelder, 2013

Groundwater Sample Locations

Prepared by Kleinfelder, 2013

Future Landscaping (Arcadian and Western Plains Flora)

Prepared by Golder, 2012

Stormwater Landscaping

Prepared by Ian Taylor, 2012

Stormwater Landscaping

Prepared by Ian Taylor, 2012

Landscaping

Prepared by Ian Taylor, 2012

Landscaping

Prepared by Ian Taylor, 2012

Stormwater Landscaping

Prepared by Ian Taylor, 2012

Disclaimer

This document has been prepared by Transpacific Industries Pty Ltd (ABN 40 010 745 383) (“Transpacific”) for the purposes of providing the recipient with an update on the status of rehabilitation works at Tullamarine landfill site. This document has been prepared on the condition that it is for the exclusive information and use of the recipient.

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