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Preliminary Site Investigation at63 North Pde, Mt Druitt NSW A. D. Envirotech Australia Pty Ltdanalysis. All copies of the completed Chain of Custody forms were retained on the Central FilingSystem and the originals were sent to the analytical laboratories together with the samples.7.2 Sampling ProceduresThe contamination assessment of the subsurface at the site was achieved by an investigationconsisting of an exploratory soil drilling program and soil sampling.A soil drilling program was carried out to evaluate the levels of potential contamination to thesubsurface. Stratigraphical information was also obtained in order to assess the shallow geologicaland hydrogeological conditions at the site. Refer to Appendix II Borehole Logs.SoilsSoils were drilled applying solid flight augers. When the sampling depth was reached, undisturbedsoil (split spoon) samplers were used to evaluate the contamination conditions of samples.Field activities were supervised by an experienced environmental scientist who directed samplingoperations.The samples were placed in sterile glass jars with Teflon lined lids, submitted for PID testing and thenplaced into a pre-cooled Esky. The samples exhibiting the highest detected VOC concentration fromeach borehole were submitted for analysis. Additional samples for determination of the possiblevertical extent of impact were also obtained. The PID was calibrated in accordance with themanufacturer‟s specification.Each sample jar was well protected by packaging material. Ice packs were inserted in the Esky tomaintain the samples at approximately 4 0 C. The original Chain of Custody form was enclosed in theEsky that was then sealed and despatched to NATA accredited analytical laboratories.Twenty soil samples were tested for the analytes including petroleum hydrocarbons, benzene, toluene,ethyl-benzene, xylenes, metals, polyaromatic hydrocarbons, polychlorinated biphenyls,organochlorine pesticides, cyanide and phenols. Five samples were tested for asbestos.4224 63 North Pde Mt Druitt PSI.v1 final Page 31
Preliminary Site Investigation at63 North Pde, Mt Druitt NSW A. D. Envirotech Australia Pty Ltd8 ANALYTE SELECTIONChemical testing of soil samples was undertaken, targeting specific samples from selected boreholes.The selected samples were tested for a range of analytes including: Metals :Arsenic (As), Cadmium (Cd), Copper (Cu), Chromium (Cr), Lead (Pb), Mercury (Hg), Nickel(Ni), and Zinc (Zn); and Benzene, Toluene, Ethyl-Benzene, Xylene (BTEX); Polyaromatic Hydrocarbons (PAH); Polychlorinated Biphenyls (PCBs); Organochlorine Pesticides (OCPs); Organophosphorous Pesticides (OPPs); Cyanide; Phenols; and Asbestos.Refer to Appendix IX for the analytical methods used by EnviroLab, MGT and Environmental andOH&S Laboratory (a subsidiary of ADE).Table 5 Sampling and analytical program for site investigationSamplingDateSampleIDLocationDepth,mSampleTypeAnalysis30.09.10 4224-1A BH 1 0.0-0.1 Soil sample TPH, BTEX, metals30.09.10 4224-1B BH 1 0.5 Soil sample TPH, BTEX, metals30.09.10 4224-2A BH 2 0.0-0.1 Soil sample TPH, BTEX, metals30.09.10 4224-2B BH 2 0.5 Soil sample TPH, BTEX, metals30.09.10 4224-3A BH 3 0.0-0.1 Soil sample TPH, BTEX, metals30.09.10 4224-3B BH 3 0.5 Soil sample TPH, BTEX, metals30.09.10 4224-4A BH 4 0.0-0.1 Soil sample TPH, BTEX, metals30.09.10 4224-4B BH 4 0.5 Soil sample TPH, BTEX, metals30.09.10 4224-5A BH 5 0.0-0.1 Soil sample TPH, BTEX, metals30.09.10 4224-5B BH 5 0.5 Soil sample TPH, BTEX, metals30.09.10 4224-SP1 UncontrolledStockpile30.09.10 4224-Comp14224 63 North Pde Mt Druitt PSI.v1 final Page 32N/A Soil sample TPH, BTEX, metals,OCP/OPPs, CN, TotalPhenolics, PCB, PAHBH1 and BH5 0.0-0.1 Compositesample ofOCP/OPPs, CN, TotalPhenolics, PCB, PAH
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MOUNT DRUITT COMMUTER CARPARKREVIEW
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Mount Druitt Commuter Car ParkRevie
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Commuter Car Park and Interchange P
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Mount Druitt Commuter Car ParkTraff
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Transit services provided at Mount
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Attachment 1: Origin Destination Su
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MOVEMENT SUMMARYMt DruittSouthern C
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MOVEMENT SUMMARYMt DruittNorth Para
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MOVEMENT SUMMARYMt DruittNorth Para
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MOVEMENT SUMMARYMt DruittJirrang Cl
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MOVEMENT SUMMARYMt DruittJirrang Cl
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MOVEMENT SUMMARYMt DruittMount St /
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MOVEMENT SUMMARYMt DruittMount St /
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MOVEMENT SUMMARYMt DruittSherbrooke
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MOVEMENT SUMMARYMt DruittSherbrooke
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KMH-2010123a REF Rev 4 docStatus: F
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Commuter Car Park Mt DruittVisual I
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