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i <br /> • pertinent well data (e g , casing diameter, depth to water, <br /> well depth) <br /> • calculated and actual purge volumes <br /> Ipurging equipment used <br /> • sampling equipment used <br /> • appearance of each sample (e g., color, sediment) <br /> • results of field analyses (temperature, pH, specific con- <br /> ductance, turbidity) <br /> • general comments <br />' The field logbook will be signed by the sampler and reviewed by the sam- <br /> pling coordinator <br />' Labels <br />' Sample labels will contmn the following information <br /> • project number <br /> • sample number (i e , well designation) <br /> • samplers infttais <br /> • date and time of collection <br /> • type of preservative used (if any) <br /> Sampling and Analysis Chain-of-Custody Record <br /> The Shell chain-of-custody record initiated at the time of sampling will <br /> contain, at a minimum, the sample designation, sample type, analytical <br /> request, date of sampling, and the name of the sampler. The record sheet <br /> will be signed, timed, and dated by the sampler when transferring the sam- <br /> ples. The number of custodians in the chain of possession MI be mini- <br /> mized. A copy of the Shell chain-of-custody record is returned to EMCON <br /> with the analytical results <br />' Ground-water Sampling and Analysis Request Form <br /> A Ground-water Sampling and Analysis Request Form (see Figure B-3) <br /> will communicate to the environmental sampler the requirements of the <br /> PRA P91 KO22 AOW Rev 0 February 7, 1992 <br />