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I <br /> I <br /> 2.3.1 Preservation and Delivery of Samples <br /> I <br /> Chemical preservatives necessary for the groundwater samples will be provided by the <br /> Ianalytical laboratory The soil and groundwater samples will be stored on ice in the field <br /> and transported in a portable ice chest to the analytical laboratory The samples will be <br /> Ishipped to the analytical laboratory by courier or overnight mail within 24 hours of <br /> sample collection <br /> I2.3.2 Chain-of-Custody Records <br /> IChain-of-custody records will be completed before packaging the samples for shipment <br /> One copy of these records will be placed in the project file The second copy will <br /> Iaccompany the samples during transportation to the laboratory The person in the <br /> analytical laboratory who accepts responsibility for the samples will sign and date the <br /> original chain-of-custody form A sample chain-of-custody form is provided in <br /> lie Appendix B <br /> 2.3.3 Equipment Decontamination Procedures <br /> Soil and groundwater sampling equipment will be decontaminated between sampling <br /> events using the following procedures <br /> I Rinse with water using a brush to remove soil and mud <br /> 2 Wash with non-phosphate detergent and water using a brush <br /> 3 Rinse with deionized water <br /> 4 Rinse again with deionized water <br /> 5 Air dry <br /> 2.3.4 Management of Drill Cuttings and Wastewater <br /> Soil cuttings produced during drilling and wastewater generated from decontamination <br /> and purging activities will be placed in properly labeled, 55-gallon drums meeting the <br /> 5\BFS\STOCKTON\WKP001 DOC 10/27/99 2-5 <br />