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Page 2 of 94 Viva Energy Refining Pty Ltd Geelong Refinery 53V Environmental Audit Report 30 September 2014 Page 3 of 94 Executive Summary Table 1 Summary of audit information Summary information required EPA file reference no. 54790-9 service order number 8003988 Auditor Dr Peter Nadebaum Auditor term of appointment 16 May 1990 to 29 September 2015 Name of person requesting audit David Braiden of Viva Energy Refining Pty Ltd (Viva Energy) Relationship to premises / Viva Energy Environmental Advisor – Soil and Groundwater location Date of request Ongoing audit with biennial Audit Report. Approval for 2013-2014 Audit received on 25/3/2013 Date EPA notified of audit 27 March 2013 Completion date of the audit 30 September 2014 Reason for audit Requirement of Clean Up Notice dated 30 November 2011 issued pursuant to Section 62A of the Environment Protection Act 1970. Description of activity The progress/implementation of clean up at the premises in accordance with the 2010 CUP (ERM 2010), the 2012 Audit report recommendations (GHD 2012b), and the updated CUP implementation schedule provided to EPA on 19 November 2013. The implementation of the clean-up plan will assess clean up against core remediation objectives including boundary containment of light non-aqueous phase liquid (LNAPL) and reduction of the risk of any possible harm or detriment to the groundwater or land environment caused by past and current industrial processes and activities, waste or substance at the premises. The adequacy of management plans, action plans and clean up activities will be assessed as part of the audit. EPA region South West Region Dominant – Lot on plan Refinery • 7200/845 - Land parcel (comprising CA 200-214 and 217 - 219) • 7262/383 - Access roads (CA210A) • 75201/040 - Small triangular land parcel • 7715/083 - Large land parcel north of the Refinery Road extension • 8113/158 - Access roads (continuation of Refinery Road) • 8201/597 - Small land parcel adjacent to railway (CA215) • 8821/663 - Road adjacent to railway (continuation of Lowe Street) • 8094/861 – Small land parcel south of Wharf Road GHD | Report for Viva Energy Refining Pty Ltd - Geelong Refinery, 31/17032/230593 | i Page 4 of 94 Summary information required Additional – Lot on plan Western Buffer Zone • 6303/431 - Land Parcel • 7314/691 - Land Parcel • 8141/916 - Land Parcel • 8738/154 - Land Parcel • 8866/943 - Land Parcel • Lot A of PS 612326Gon 11153/110 • Lot 1 on PS 612326G on 11153/109 Northern Buffer Zone • 6310/885 (comprising CA 24 and 25) • 3770/999 (comprising CA 12 and 13) Nerita Gardens • Part of 7715/083 and 7715/035 Site/premises name Geelong Refinery Building/complex sub-unit No. Street/Lot – Lower No. Street/Lot – Upper No. Street Name Refinery Street type (road, court, etc.) Road Street suffix (North, South etc.) Suburb Corio Postcode 3214 GIS Coordinate of Site centroid 80.123611 • Longitude / Northing 58.379167 (GDA94) • Latitude / Easting (GDA94) Members and categories of Peter Egberts (hydrogeology and remediation) support team utilised Eric Friebel (containment transport and assessment of exposure pathways and risk) Barry Mann (hydrogeology) Outcome of the audit The majority of the proposed actions are progressing satisfactorily. The actions implemented are improving the effectiveness of boundary containment, and are reducing the risk associated with soil and groundwater contamination at the Refinery. The progress of implementation of the remainder of the actions and the recommendations from this audit will be considered in the next audit. Further works or requirements Continue to implement actions from the Clean Up Plan (ERM 2010) and the recommendations of subsequent Audit Reports as per requirements of the Clean Up Notice and Supplementary Clean Up Notice issued pursuant to Section 62A of the Environment Protection Act 1970. Also see the recommendations of this report. ii | GHD | Report for Viva Energy Refining Pty Ltd - Geelong Refinery, 31/17032/230593 Page 5 of 94 Table 2 Physical site information Summary information required Groundwater segment Although parts of the foreshore near the shoreline may be more appropriately classified as Segment D, Segment C was assumed to apply across the site. Surrounding land use The Refinery and Terminals sites are generally immediately surrounded by buffer zones, with the exception of those areas directly adjacent to the Corio Bay foreshore to the east, Geelong Grammar including the equestrian centre to the northeast, and Cheetham Salt and Incitec Pivot to the south. GHD | Report for Viva Energy Refining Pty Ltd - Geelong Refinery, 31/17032/230593 | iii Page 6 of 94 Table of contents Executive Summary .................................................................................................................................. i Abbreviations ......................................................................................................................................... viii 1. Introduction..................................................................................................................................... 1 1.1 Site description .................................................................................................................... 1 1.2 Background .........................................................................................................................