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• Pertinent well data (e.g. , well depth, water level , <br /> water-surface elevation, casing diameter, and purge and <br /> sample methods) <br /> • Calculated and actual purge volumes <br /> • Color of sample <br /> • Appearance of each sample <br /> • Analyses performed in the field (e.g. , temperature, pH, <br /> specific conductance) <br /> • Sampler's name <br /> • General comments (e.g. , unusual weather conditions) <br /> Sample Labels <br /> Each sample container will be labeled immediately after the sample is <br /> taken. Label information will include the following: <br /> Sample number <br /> • Sampler's identification <br /> • Project number <br /> • Data and time of sample collection <br /> • Type of preservative used <br /> Chain-of-Custody Record <br /> The chain-of-custody records, initiated at the time of sampling, will <br /> contain the following information: well number, date of sampling, and <br /> the name of the person collecting the sample. Figure A-2 shows a <br /> typical chain-of-custody record. The record sheet will be signed by <br /> the sampler when transferring the possession of the samples. Custody <br /> transfers will be recorded for each individual sample; for example, if <br /> samples are split and sent to multiple laboratories, a record sheet <br /> will accompany each sample. The number of custodians in the chain of <br /> PJ9 9390207.00D -9 <br />