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• Date and time turbidity, sediment) <br /> Well accessibility and integrity • Results of field analyses (temperature, pH, <br /> specific conductance) <br /> • Pertinent well data (e g , casing diameter, <br /> depth to water, well depth) • General comments <br /> The Water Sample Field Data Sheet was signed by the sampler and reviewed by the sampling <br /> coordinator <br /> Labels <br /> Sample labels contained the following information <br /> • Project number • Sampler's initials <br /> • Sample number (i e , well designation) • Date and time of collection <br /> • Sample depth • Type of preservation used (if any) <br /> Sampling and Analysis Chain-of-Custody Record <br /> The ARCO chain-of-custody record initiated at the time of sampling contained, at a minimum, the <br /> sample designation (including the depth at which the sample was collected), sample type, <br /> analytical request, date of sampling, and the name of the sampler The record sheet was signed, <br /> timed, and dated by the sampler when transferring the samples. The number of custodians in the <br /> chain of possession was minimized A copy of the ARCO chain-of-custody record was returned to <br /> EMCON with the analytical results <br /> Groundwater Sampling and Analysis Request Form <br /> A Groundwater Sampling and Analysis Request Form (see Figure A-3) was used to communicate <br /> to the environmental sampler the requirements of the monitoring event. At a minimum, the <br /> Groundwater Sampling and Analysis Request Form included the following information <br /> • Date scheduled • Well number <br /> • Site-specific instructions • Well specifications (expected total depth, <br /> • Specific analytical parameters depth of water, and product thickness) <br /> MON\PJM80"8051140 4GS-95Vas 1 Rev 0,1/291'96 <br /> A-5 <br />