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Sample Documentation <br /> The following procedures will be used during sampling and analysis to <br /> provide chain-of-custody control during sample handling from collection <br />' through storage. Sample documentation will include the use of the follow- <br /> ing: <br /> O field logbook to document sampling activities in the field <br /> O labels to identify individual samples <br />' ® chain-of-custody record sheets for documenting posses- <br /> sion and transfer of samples <br />' U laboratory analysis request sheets for documenting analy- <br /> ses to be performed <br /> Field Logbook <br /> In the field, the sampler will record the following information on the Water <br /> Sample Field Data Sheet (see Figure C-2) for each sample collected: <br /> G project number <br /> C client's name <br /> G location <br />' C name of sampler <br /> i <br /> U date and time <br /> G well accessibility and integrity <br /> G pertinent well data (e.g., casing diameter, depth to water, <br /> well depth) <br /> c calculated and actual purge volumes <br /> C purging equipment used <br />' 0 sampling equipment used <br /> C appearance of each sample (e.g., color, turbidity, sedi- <br /> ment) <br /> p#V92V920201 a C - 6 Rev. 0 June 1, 1992 <br />