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ATC Associates Inc. <br /> • Qualinv Assurance/QualiLv Control Plan <br /> Revised November 2002 <br /> 5.2 Chain-of-Custodv Record and Sample Analysis Request Form <br /> A chain-of-custody record for each container or sample will be used to trach possession <br /> of the samples from the time they were collected in the held until the time they are <br /> analyzed in the laboratory. <br /> The chain-o#-custody record will contain the following information: <br /> ✓ site name <br /> ✓ signature of collector <br /> ✓ date and time of collection <br /> ✓ sample identification number(s) <br /> ✓ number of containers in sample set <br /> ✓ description of sample and container(s) <br /> . ✓ name and signature of persons, and the companies or agencies they <br /> represent, who are involved in the chain of possession <br /> ✓ inclusive dates and times of possession <br /> ✓ requested analysis for each sample <br /> 5.3 Delivery of Samples to Laboratory <br /> Samples will be delivered to the laboratory on a daily basis. Samples will be refrigerated <br /> to approximately 4°C for shipping. If a courier is used the shipping containers will be <br /> sealed with security tape to assure sample integrity during shipping. Delivered samples <br /> will be accompanied by a chain-of-custody record. The laboratory shall note on the <br /> chain-of-custody that samples were properly preserved and security tape was intact upon <br /> arrival. <br /> w:ladminlshellslgaac-OZ.doc <br /> 4 <br />