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i <br /> I <br /> Labels <br /> Sample labels contained the following information: <br /> • ` Sampler's initials <br /> • Project number <br /> • Sample number (i.e., well designation) <br /> • Date and time of collection <br /> • <br /> • Sample depth Type of preservation used(if any) <br /> _ <br /> Sampling and Analysis Chain-of-Custody Record <br /> The ARCO chain-of-custody record initiated at the time of sampling contained, at a <br /> minimum, the sample designation(including the depth at which the sample was collected), <br /> sample type:analytical request, date of sampling, and the nammeen of the <br /> he samThe <br /> erecord <br /> sheet was signed, timed, and dated by the sampler w <br /> The <br /> number of custodians in the chain of possession was minimized. A copy of the ARCO <br /> chain-of-custody record was returned to IT 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 <br /> communicate to the environmental sampler the requirements of the monitoring event. At a <br /> minimum, the groundwater sampling and analysis request form included the following <br /> information: <br /> • Date scheduled Well number <br /> • <br /> Site-specific instructions' <br /> • Well specifications (expected total depth, <br /> depth of water, and product thickness) <br /> • Specific analytical parameters <br /> i <br /> IT Corporation <br /> CP:1N:1CamPklData\QMR\ARC011stg0012186Q100.DOC-981it:1 Corporation <br /> A-6 <br /> y <br />