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appearance of each sample (e g , color, turbidity, sediment, <br /> results of field analyses (temperature, pH, specific conduclaiice) <br /> general comments <br /> ' The field logbook will be signed by the sampler <br /> Labels <br /> ' Sample labels will contain the following information <br /> ' protect 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-0f-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 transfernng 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 Chair-of-Custody Record will <br /> be returned to D K Barber P E & Associates with the analytical results <br /> C- 6 <br />