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4 <br /> SAMPLE HANDLING <br /> Samples are handled during collection and shipment in such a way as to ensure maximum <br /> sample quality and integrity All samples will be collected by experienced Brown and <br /> Caldwell field personnel The samples will be collected in containers that are appropriate to <br /> the sample material and the required analyses All containers will have been precleaned by <br /> the analytical laboratory or the container manufacturer All sampling equipment will be <br /> decontaminated prior to and between use by washing in laboratory-grade detergent, rinsing <br /> with tap water, and then rinsing with deionized water <br /> Each sample container will have a label affixed in the field that identifies the date and <br /> time of sample collection, name of sampler, fob number, and a unique sample number This <br /> information will be recorded on the boring log or in the field records Samples are stored and <br /> shipped to the laboratory in a cooled chest Only analytical laboratories certified by the <br /> California Department of Health Services will be used <br /> A chain-of-custody form will be used to record possession of samples from the time of <br /> collection to the time of arrival at the laboratory The sample-control officer at the laboratory <br /> will verify sample integrity and confirm that they were collected in the proper containers, <br /> preserved correctly, and that there is an adequate volume for analysis If these conditions are <br /> met, the samples will be assigned a unique log number for identification throughout analysis <br /> and reporting The log number will be recorded on the chain-of-custody form and in the log <br /> book maintained at the analytical laboratory The sample description, date received, client's <br /> name, and other relevant information will also be recorded <br />