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Opus International Consultants (NSW) Pty Ltd - Transport for NSW ...

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TABLE OF CONTENTSEXECUTIVE SUMMARY .......................................................................................................................... 61 INTRODUCTION ............................................................................................................................. 121.1 General .............................................................................................................................................. 121.2 Proposed Development ..................................................................................................................... 121.3 Objectives .......................................................................................................................................... 121.4 Scope of Work ................................................................................................................................... 121.5 Legislative Requirements .................................................................................................................. 131.6 Whole Report..................................................................................................................................... 132 SITE IDENTIFICATION ................................................................................................................ 142.1 Site Location ....................................................................................................................................... 142.2 Site Inspection and Description .......................................................................................................... 152.3 Surrounding Land-use ........................................................................................................................ 162.4 Summary of Site Details ..................................................................................................................... 163 PHYSICAL SETTING ...................................................................................................................... 173.1 Site Topography and Hydrology ........................................................................................................ 173.2 Local Geology and Soil ...................................................................................................................... 173.3 Hydrogeology ..................................................................................................................................... 173.4 Acid Sulphate Soils ............................................................................................................................ 184 SITE HISTORY ................................................................................................................................. 194.1 Historical Land and Title Search ........................................................................................................ 194.2 Aerial Photographs Review ................................................................................................................ 214.3 <strong>NSW</strong> DECCW Contaminated Land Register Search ......................................................................... 214.4 Anecdotal Evidence ............................................................................................................................ 214.5 Previous Investigation Reports ........................................................................................................... 224.6 Section 149 ......................................................................................................................................... 224.7 WorkCover <strong>NSW</strong> ............................................................................................................................... 224.8 Assessment of Historical In<strong>for</strong>mation Integrity .................................................................................. 225 POTENTIAL CONTAMINATION TYPES AND RECEPTORS ................................................. 235.1 Potential Contamination Types........................................................................................................... 235.2 Primary <strong>Transport</strong> Mechanisms .......................................................................................................... 235.3 Potential Contamination Receptors .................................................................................................... 236 DATA QUALITY OBJECTIVES .................................................................................................. 246.1 Statement of Problem ......................................................................................................................... 246.2 Identification of Decision ................................................................................................................... 256.3 Identification of Inputs to Decision .................................................................................................... 256.4 Definition of Study Boundaries .......................................................................................................... 256.5 Development of Decision Rule ........................................................................................................... 266.6 Specification of Tolerable Limits on Decision Errors ........................................................................ 276.7 Data Collection Design ....................................................................................................................... 297 INVESTIGATION PROCEDURES ............................................................................................... 307.1 Sampling Plan and Sampling Methodology ....................................................................................... 307.2 Sampling Procedures .......................................................................................................................... 318 ANALYTE SELECTION................................................................................................................. 32Head Office: Postal Address: Telephone: Facsimile: Internet:A. D. Envirotech Australia <strong>Pty</strong> <strong>Ltd</strong>Unit 70, 42-46 Wattle RoadBrookvale <strong>NSW</strong> 2100A. D. Envirotech Australia <strong>Pty</strong> <strong>Ltd</strong>Unit 4 & 5, 103 Majors Bay RoadConcord <strong>NSW</strong> 2137(02) 9400 7711(02) 9743 6655(02) 9401 0097 site: www.ADenviro.com.aue-mail allen@ADenviro.com.au

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