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• • <br /> After logging, the exposed ends of the liner should be covered. Typically, Teflon sheets <br /> and plastic end caps are used and secured with silicone-based tape. After each use, <br /> sampling equipment must be decontaminated. <br /> Sample labels should he written or attached securely to the end caps and should <br /> contain the following information: boring number, sample location, sample number, <br /> sample depth, date and time of sampling, name of sampler, and required analytical <br /> method. Sealed and labeled samples must be placed in cooled ice chests and shipped to <br /> the analytical laboratory. <br /> I. Field Documentation <br /> Field information about sampling efforts should include sample identification <br /> numbers; date and time of sample collection; description of the location of the <br /> collection; the collection method; the rationale for selecting the sample and <br /> representativeness of the sample; and a description of any deviations from standard <br /> protocols. <br /> J. Sample Packaging and Shipping <br /> Samples should be packaged to prevent breakage. The shipping container should <br /> be sealed or locked so that any evidence of tampering may be readily detected. <br /> Packaging, labeling and shipping of samples must follow the Department of <br /> Transportation (DOT) regulations. Samples that meet DOT's hazardous materials <br /> criteria must be packed and labeled according to the requirements set forth in 49 CFR <br /> 172.101. <br /> 26 <br />