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i <br /> f <br /> and agitation of the liquid. The containers will'be filled to the top forming a <br /> meniscus to minimize the headspace. <br /> • Water removed from the well will be contained in 55-gallon United Nations <br /> approved drums. Labels will be placed on the drums with the contents, date,well <br /> number, and job number recorded on the label. The drums will be stored at the site <br /> pending laboratory analysis of the groundwater. <br /> Sample Retention and Analysis Procedures <br /> • Chain of custody procedures, including the usetof chain of custody forms, will be <br /> used to document sample handling and transport from collection to delivery to the <br /> laboratory for analysis. <br /> • The samples will be placed on ice in an insulated chests overnight in the custody of . <br /> an IT employee. The samples will be picked up within approximately 48 hours of <br /> collection by a courier supplied by the laboratory, or will be delivered to the <br /> laboratory by IT personnel within approximately 48 hours of collection. The <br /> samples will be transported to the laboratory in a motor vehicle. <br /> Soil samples will be labeled with the boring number, and the sample collection . <br /> .depth. For example, "MW4-10"represents monitoring well 4 collected at a depth <br /> of 10 feet below the ground surface. <br /> • Laboratory quality assurance/quality control procedures are summarized below: <br /> — Method Blank Frequency =one per 2 samples <br /> — Matrix Spike/Matrix Spike Duplicate = one per 2 samples <br /> — Laboratory Control Sample/Laboratory Control Sample Duplicate=one per 2 <br /> samples . <br /> N:\sacDP\2001\PRJ\PJ818800401 A.1 ac.doc B-4 <br /> 12/12/01 <br />