Information Regarding Environmental Audit Reports
Total Page:16
File Type:pdf, Size:1020Kb
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 Environment Protection Act 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environmental audit reports, appointed environmental auditors who are highly certificates and statements may be withdrawn or qualified and skilled individuals.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 INFORMATION 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.gov.au/envaudit any appendices and, where applicable, any certificate Email: [email protected] or statement of environmental audit. REPORT Statutory Environmental Audit of Land, Stage 1 of Kangan Batman TAFE, Stadium Drive, Melbourne Docklands Prepared for VicUrban AFL House 700 Collins Street Melbourne Docklands, VIC 3008 16 December 2004 48137-005 (43482526) Level 6 1 Southbank Boulevard Southbank, Victoria 3006, Australia Tel: 61 3 8699 7500 Project Director: Fax: 6 1 3 8699 7550 Ken Mival Envimental Auditor Author: .................... Date: 16 December 2004 Kristin Wasley Reference: s:\projects\48137\005\Audit @ ' Chemical Engineer Report\ Stage 1AROO 1 rev0.doc Status: Final S.\PROJECTS\48137\005\AUDIT REPORnSTAGEl AROOl REVO.DOC\lG-DEC-04 URS Contents Executive Summary-------------------------------------------------------------------------------------------- ES-1 Statement of Environmental Audit---------------------------------------------------------------------- SEA-1 1 Introduction------------------------------------------------------------------------------------------------- 1-1 1.1 Background 1-1 1.2 Purpose of Report 1-2 1.3 Parties Involved 1-2 2 Audit Guidelines------------------------------------------------------------------------------------------- 2-1 3 Scope of Audit --------------------------------------------------------------------------------------------- 3-1 4 Documents Reviewed ----------------------------------------------------------------------------------- 4-1 5 Site Description-------------------------------------------------------------------------------------------- 5-1 5.1 Site Location 5-1 5.2 On–Site Activities and Uses 5-1 5.3 Site Setting and surrounding landuse 5-1 5.4 Geology and Hydrogeology 5-2 5.4.1 Site Geology 5-2 5.4.2 Hydrogeology 5-3 5.5 Site Characteristics 5-3 5.5.1 Topography & Drainage 5-3 5.5.2 Natural Watercourses 5-3 5.5.3 Vegetation 5-4 5.5.4 Buildings 5-4 5.5.5 Underground Storage Tanks 5-4 6 Site History-------------------------------------------------------------------------------------------------- 6-1 6.1 Previous Landuses 6-1 6.2 Contaminants of Concern 6-2 6.2.1 Potential On-Site Sources of Contamination 6-2 6.2.2 Potential Off-Site Sources of Contamination 6-3 7 Beneficial Uses -------------------------------------------------------------------------------------------- 7-1 7.1 Assessment of Beneficial Uses 7-1 7.2 Relevant Elements 7-1 7.3 Previous and Proposed Beneficial Uses of the land 7-2 7.3.1 Land 7-2 7.3.2 Assessment Guidelines and Beneficial uses of Groundwater 7-2 S:\PROJECTS\48137\005\AUDIT REPORT\STAGE1 AR001 REV0.DOC\16-DEC-04 i Contents 7.3.3 Existing and Likely Beneficial Uses of Groundwater 7-4 8 Assessment Guidelines -------------------------------------------------------------------------------- 8-1 8.1 Purpose of Guidelines Use For Assessment 8-1 8.2 ANZECC Assessment Guidelines 8-1 8.3 NEPM Health Investigation Levels 8-2 8.4 NEPM Ecological Investigation Guidelines 8-2 8.5 Status of Groundwater in an Audit 8-3 8.6 Groundwater Assessment Guidelines 8-3 8.7 Other Guidelines Referenced by Auditor 8-4 8.7.1 Gasworks Risk Based Criteria 8-4 9 Site Assessment and Remediation Summary--------------------------------------------------- 9-1 9.1 Site Assessment 9-1 9.1.1 General 9-1 9.1.2 Contamination Status of Soils before Remediation 9-3 9.1.3 Contamination Status of Groundwater before Remediation 9-4 9.2 Site Remediation 9-5 9.2.1 Excavation, Remediation and Removal of Soils & Liquids 9-6 9.3 Contamination Status of Site after Remediation 9-6 9.3.1 Contamination Status of Soils 9-6 9.3.2 Contamination Status of Groundwater 9-7 9.4 Imported Fill Material 9-8 10 Adequacy of Analytical Data -------------------------------------------------------------------------10-1 10.1 General 10-1 10.2 Laboratories used for the KBT Site 10-1 10.3 Sampling Spatial and Analytical Density 10-2 10.4 Analytical Data Validation 10-2 10.5 Quality of Analytical Data 10-3 10.6 Verification Sampling by the Auditor 10-5 10.7 Auditor’s Overall Comments on Data Quality 10-6 11 Environmental Condition of the Site --------------------------------------------------------------11-1 11.1 Imminent Environmental Hazards 11-1 11.2 Soil Contamination 11-1 11.3 Conceptual Model of Exposure 11-2 11.4 Corrosive Potential of Soil and Groundwater 11-3 11.5 Auditor Recommendation on Future Use of Groundwater 11-3 12 Adequacy of Information ------------------------------------------------------------------------------12-1 13 Auditor's Conclusions ---------------------------------------------------------------------------------13-1 13.1 Conclusions of Site Assessor 13-1 13.2 Findings of Audit 13-1 13.3 Issues for Statement of Environmental Audit 13-1 13.4 Obligation to provide Statement to Future Owners/Occupiers 13-3 S:\PROJECTS\48137\005\AUDIT REPORT\STAGE1 AR001 REV0.DOC\16-DEC-04 ii Contents 14 References -------------------------------------------------------------------------------------------------14-1 15 Use of Auditor's Support Team ---------------------------------------------------------------------15-1 16 Limitations -------------------------------------------------------------------------------------------------16-1 S:\PROJECTS\48137\005\AUDIT REPORT\STAGE1 AR001 REV0.DOC\16-DEC-04 iii List of Tables, Figures, Plates & Appendices Tables in text ES.1/1.1 Australian Metric Grid (AMG) Coordinates of Site 6.1 Summary of Site