Information Regarding Environmental Audit Reports
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INFORMATION REGARDING ENVIRONMENTAL AUDIT REPORTS August 2007 VICTORIA'S AUDIT SYSTEM AUDIT REPORT CURRENCY An environmental audit system has operated in Audit reports are based on the conditions encountered Victoria since 1989. The Environmenf Profecfion Acf and information reviewed at the time of preparation 1970 (the Act) provides for the appointment by the and do not represent any changes that may have Environment Protection Authority (EPA Victoria) of occurred since the date of completion. As it is not environmental auditors and the conduct of possible for an audit to present all data that could be independent, high quality and rigorous environmental of interest to all readers, consideration should be audits. made to any appendices or referenced documentation An environmental audit is an assessment of the for further information. condition of the environment, or the nature and extent When information regarding the condition of a site of harm (or risk of harm) posed by an industrial changes from that at the time an audit report is process or activity, waste, substance or noise. issued, or where an administrative or computation Environmental audit reports are prepared by EPA- error is identified, environmental audit reports, appointed environmental auditors who are highly certificates and statements may be withdrawn or qualified and skilled individuals. amended by an environmental auditor. Users are Under the Act, the function of an environmental advised to check EPA's website to ensure the currency auditor is to conduct environmental audits and of the audit document. prepare environmental audit reports. Where an environmental audit is conducted to determine the PDF SEARCHABILITY AND PRINTING condition of a site or its suitability for certain uses, an environmental auditor may issue either a certificate or EPA Victoria can only certify the accuracy and statement of environmental audit. correctness of the audit report and appendices as presented in the hardcopy format. EPA is not A certificate indicates that the auditor is of the opinion responsible for any issues that arise due to problems that the site is suitable for any beneficial use defined with PDF files or printing. in the Act, whilst a statement indicates that there is some restriction on the use of the site. Except where PDF normal format is specified, PDF files are scanned and optical character recognised by Any individual or organisation may engage appointed machine only. Accordingly, while the images are environmental auditors, who generally operate within consistent with the scanned original, the searchable the environmental consulting sector, to undertake hidden text may contain uncorrected recognition environmental audits. The EPA administers the errors that can reduce search reliability. Therefore, environmental audit system and ensures its ongoing keyword searches undertaken within the document integrity by assessing auditor applications and may not retrieve all references to the queried text. ensuring audits are independent and conducted with regard to guidelines issued by EPA. This PDF has been created using the Adobe-approved method for generating Print Optimised Output. To assure proper results, proofs must be printed, rather AUDIT FILES STRUCTURE than viewed on the screen. Environmental audit reports are stored digitally by This PDF is compatible with Adobe Acrobat Reader EPA in three parts: the audit report (part A), report Version 4.0 or any later version which is downloadable appendices (part B) and, where applicable, the free from Adobe's Website, www.adobe.com. certificate or statement of environmental audit and an executive summary (part C). A report may be in colour FURTHER I N FORMATION and black-and-white formats. Generally, only black- and-white documents are text searchable. For more information on Victoria's environmental Report executive summaries, findings and audit system, visit EPA's website or contact EPA's recommendations should be read and relied upon only Environmental Audit Unit. in the context of the document as a whole, including Web: www.epa.vic.clov.au/envaudit any appendices and, where applicable, any certificate Email: [email protected] or statement of environmental audit. 1 of 60 DAMES & MOO A DAMES & MOORE COMPANY Melbourne City Link Western Link kea8: Elevated Roads Melbourne, Victoria POP Banlderstone Hornibrook Engineering PI., - 00 I:: : : 033298-8-A 0: 0 ::I 0 Ill 0 :: Dames & Moore Level 10,616 St Kilda Road RcfNo. J:U0102\011ka 8\Arca8 Rep Rcv2.doc Melbourne VIC 3004 18 March 1999 Ph: (03) 95 10 5050 Fax: (03)-9510-5850 A.C.N. 003 293 696 2 of 60 DAMES& MOORE PTYLTD A DAMES &MOORE COMPANY Level 10,616 St Kilda Road . Melbourne,VIC 3004 61-3-9510 5050 Tel 61-3-9510 5850 Fax [email protected] E-mail 18 March 1999 Ref: KM~S\u)M-MEGNTIUOBSUO102\011\Ana Rcp RCv2.d~ Baulderstone Hornibrook Engineering PL Victoria Dock, Dudley Street MELBOURNE VIC 3000 Attention: Mr Steve Whitter Dear Steve STATUTORYENVIRONMENTALAUDITOFWESTERNLINK,MELBOURNE CITY LINK, AREA 8: ELEVATED ROADS, MELBOURNE CITY,VICTORIA We refer to the appointment of Dames & Moore by Mr Steve Whitter of Baulderstone Homibrook Engineering Pty Ltd @HE), in a contract dated 17 October 1997, to undertake an Environmental Audit of the Western Link Portion of Melbourne City Link between Bulla Road Moonee Valley City and Graham Street, City of Port Phillip, Victoria. Please fmd attached the Audit report for Area 8 of the Elevated Roads part of the site, indicating that we consider this portion of the project site to be suitable for the proposed use under the conditions indicated in the report. This is consistent with the continuing use of the site for a public road and associated public access to some areas. A copy of this report will be submitted direct to the EPA. We trust this report will meet with your requirements. However, should you require any clarification of the contents of the report, please contact me immediately on 03 95 10 5050. Yours faithfully DAMES & MOORE n EnvironmentalAuditor (Contaminated Land) - - -__. ~~ . ___~ ____ -0ualtty- Endorsed Company Offices Worldwide mmYm DAMES & MOORE PTY LTD ACN 003 293 696 3 of 60 Environmental Audit Revision 2 Area 8. Elevated Roaak. Western Link, MCLA. Victoria 18 March 1999 for Baulderstone Hornibrook Engineering Pty Ltd Page i TABLE OF CONTENTS Page N" 1. INTRODUCTION....................................................................................................................................... 1 2. INFORMATION SUPPLIED .................................................................................................................... 3 3. SITE FEATURES ....................................................................................................................................... 5 3.1 HISTORICAL USAGE ............................................................................................................................ 5 3.2 TOPOGRAPHY. VEGETATION AND DRAINAGE ............................................................................ 6 3.3 SOIL PROFILE........................................................................................................................................ 6 3.4 CONTAMINATED FILLS ...................................................................................................................... 7 3.5 HYDROGEOLOGY ................................................................................................................................ 9 3.6 POTENTIAL,HAZARDS AND CONTAMINANTS............................................................................ 10 3.7 CONSTRUCTION WORK AND REMEDIATION ACTIVITIES ....................................................... 13 3.8 POTENTIAL PATHWAYS FOR MIGRATION OF CONTAMINANTS............................................ 15 3.9 ACCEPTANCE CRITERIA .................................................................................................................. 16 3.10 VALIDATION PROGRAM ............................................................................................................. 17 4. HUMAN AND ENVIRONMENTAL RECEPTORS ............................................................................. 19 4.1 GENERAL ............................................................................................................................................. 19 4.2 HUMAN RECEPTORS ......................................................................................................................... 21 4.3 ECOLOGICAL RECEPTORS ............................................................................................................... 21 5. EXPOSURE TO CONTAMINANTS ...................................................................................................... 23 5.1 EXPOSURE POINT CONCENTRATIONS.......................................................................................... 23 Summary of Area 8 Contamination.................................................................................................................. 25 UCL 95% ValueS and Maximum Detects ......................................................................................................... 25 5.1. I Creek Area ................................................................................................................................... 25 5.1.2 Filled Area North of Dudley Street ............................................................................................. 26 5.1.3 FilledAreas to South