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appearance of each sample (e.g., color, turbidity, sediment) <br /> results of field analyses (temperature, pH, specific conductance) <br /> general comments <br /> The field logbook will be signed by the sampler. <br /> Labels <br /> Sample labels will contain the following information: <br /> project number <br /> sample number (i.e., well designation) <br /> • sampler's initials <br /> date and time of collection <br /> • type of preservative used (if any) <br /> Sampling and Analysis Chain-of-Custody Record <br /> The Sampling and Analysis Chain-of-Custody Record (see Figure A-3), initiated at the <br /> time of sampling, contains, but is not limited to, the well number, sample type, analytical <br /> request, date of sampling, and the name of the sampler. The record sheet will be signed, <br /> timed, and dated by the sampler when transferring the samples. Custody transfers will be <br /> recorded for each individual sample; for example, if samples are split and sent to more <br /> than one laboratory, a chain-of-custody record sheet will accompany each sample. The <br /> number of custodians in the chain of possession will be kept to a minimum. A copy of <br /> the Sampling and Analysis Chain-of-Custody Record is returned to EMCON Associates <br /> with the analytical results. <br /> Groundwater Sampling and Analysis Request Form <br /> A Groundwater Sampling and Analysis Request Form(see Figure A-4) or purchase order, <br /> or both, will accompany the samples delivered to each laboratory. These forms serve as <br /> official communication to the laboratory of the particular analysis/analyses required for <br /> each sample. <br /> to At minimum, the Groundwater Sampling and Analysis Request Form includes the <br /> SAGpj0,093M390040.6e1-93 1fc:3 A-7 Rev.0 November 12.1993 <br />