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y -� ■ Sample collection activities will progress from the least affected area to the <br /> W W most affected area <br /> The following steps present procedures for the several activities which comprise <br /> groundwater sample acquisition. These activities will be performed in the same order <br /> as presented below. Exceptions to this procedure will be noted below <br /> r` lel}-Z u <br /> �r � <br /> i .ter.— -.1-.-r—. ,}.-•-- <br /> V Decontamination Procedures <br /> Portions of sampling and test equipment which will contact the sample will be <br /> thoroughly cleaned before use for sampling This will include the interface probe and <br /> other equipment or portions thereof which may be immersedh procedure for <br /> clearing non-dedicated equipment is given below <br /> ~ _^- <br /> 1 Clean with potable water and decontamination detergent <br /> 2 Rinse with potable water <br /> -�a--T 3 Air dry the equipment prior to use <br /> Any deviations from these procedures will be documented below <br /> Laboratory-supplied sample containers will be cleaned and sealed by the laboratory <br /> before shipping The type of container provided and the method of container cleaning <br /> should be in the laboratory's permanent record of the sampling event <br /> Sampling equipment to be disposed of after use will be cleaned with potable water and <br /> decontamination detergent before disposal as solid waste Rinse water will be stored <br /> in properly labeled 55-gallon drums for proper disposal, pending receipt of laboratory <br /> results of groundwater analyses <br /> 3 <br />