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• Water removed from the well will be contained in 55-gallon United Nations approved <br /> drums. Labels will be placed on the drums with the contents, date, well number, and job <br /> number recorded on the label. The drums will be stored at the site pending laboratory <br /> analysis of the groundwater. <br /> SAMPLE RETENTION AND ANALYSIS PROCEDURES <br /> • Chain-of-custody procedures, including the use of chain-of-custody forms, will be used <br /> to document sample handling and transport from collection to delivery to the laboratory <br /> for analysis. <br /> • The samples to be sent off-site for analysis will be placed on ice in insulated chests <br /> overnight in the custody of a Shaw employee. The samples will be picked up within <br /> approximately 48 hours of collection by a courier supplied by the laboratory, or will be <br /> delivered to the laboratory by Shaw personnel within approximately 48 hours of <br /> collection. The samples will be transported to the laboratory in a motor vehicle. <br /> • Groundwater samples will be labeled with the well number and sample collection date. <br /> • Laboratory quality assurance/quality control procedures are summarized below: <br /> — Method Blank Frequency=one per 20 samples <br /> — Matrix Spike/Matrix Spike Duplicate=one per 20 samples <br /> — Laboratory Control Sample/Laboratory Control Sample Duplicate = one per <br /> 20 samples <br /> t <br /> SHAW ENVIRONMENTAL,INC. <br /> N AsacDP\2003\Prj\880\8800401 A.3 ac.doc <br /> G-2 <br />