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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, initiated at the time of <br /> 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 <br /> signed, timed, and dated by the sampler when transferring the samples Custody <br /> transfers will be recorded for each individual sample, for example, if samples are <br /> split and sent to more than one laboratory, a chain-of-custody record sheet will <br /> accompany each sample The number of custodians in the chain of possession will <br /> be minimized A copy of the Sampling and Analysis Cham-of-Custody Record will <br /> be returned to D K Barber P E &Associates with the analytical results <br /> Groundwater and Analysis Request Form <br /> Y 4 <br /> A Groundwater Sampling and Analysis Request Form or combined sampling and <br /> analysis Cham of Custody Record or purchase order, or both, will accompany the <br /> samples delivered to each laboratory These forms serve as official communication <br /> ' to the laboratory of the particular analysis/analyses required for each sample <br /> ' At a minimum, the Groundwater Sampling and Analysis Request Form includes the <br /> following information <br /> ' date submitted <br /> specific analytical parameters <br /> rwell number <br /> ' C - 8 <br />