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t • Remarks, including preservatives, special conditions, or specific quality GEOMATRIX <br /> control measures <br /> ' Turnaround time and person to receive laboratory report <br /> • Method of shipment to the laboratory <br /> • Release signature of sampler(s), and signatures of all people assuming <br /> ' custody. <br /> • Condition of samples when received by laboratory <br /> ' Blank spaces on the CHAIN-OF-CUSTODY RECORD will be crossed out between the last <br /> ' sample listed and the signatures at the bottom of the sheet. <br /> ' The field sampler will sign the CHAIN-OF-CUSTODY RECORD and will record the time <br /> and date at the time of transfer to the laboratory or to an intermediate person. A set of <br /> signatures is required for each relinquished/reserved transfer, including transfer within <br /> Geomatrix. The original imprint of the chain-of-custody record will accompany the sample <br /> ' containers. A duplicate copy will be placed in the project file. <br /> If the samples are to be shipped to the laboratory, the original CHAIN-OF-CUSTODY will be <br /> sealed inside a plastic bag within the ice chest, and the chest will be sealed with custody tape <br /> which has been signed and dated by the last person listed on the chain-of-custody. U.S. <br /> ' Department of Transportation shipping requirements will be followed and the sample shipping <br /> receipt will be retained in the project files as part of the permanent chain-of-custody document. <br /> ' The shipping company (e.g., Federal Express, UPS, DHL) will not sign the chain-of-custody <br /> forms as a receivor; instead the laboratory will sign as a receivor when the samples are <br /> received. <br /> ' 5.0 EQUIPNIENT CLEANL 1G <br /> Bailers, sampling pumps, purge pumps, and other non-dedicated purging or sampling <br /> t apparatus will be cleaned before and after sampling each well. Factory new and sealed <br /> disposable bailers may be used for sampling, but may not be reused. Thermometers, pH <br /> SANIPLING Of GROUNDWATER MONITORING WELLS <br /> AND WATER SUPPLY WELLS Page 3 of 10 <br /> ' MSC PR0T0-MW.EXT REVISION DATE.MARCH 1945 M`rV-$ <br />