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Samples were transferred from the site to a state-certified laboratory by the sampling <br /> team Sample shipment from EMCON Associates (EMCON) to laboratories performing <br /> the selected analyses routinely occurred within 24 hours of sample receipt The laboratory <br /> manager checked the holding times for requested analyses so that they were not exceeded <br /> Sample Documentation <br /> The following procedures were used during sampling and analysis to provide <br /> chain-of-custody control during sample handling from collection through storage Sample <br /> documentation included the use of the following <br /> Field logbook to document sampling activities in the field <br /> Labels to identify individual samples <br /> Chain-of-custody record sheets for documenting possession and transfer of <br /> samples <br /> Laboratory analysis request sheets for documenting analyses to be performed <br /> Field Logbook <br /> In the field, the sampler recorded the following information on the Water Sample Field <br /> Data Sheet (see Figure A-2) for each sample collected <br /> Project number <br /> Client's name <br /> Location <br /> Name of sampler <br /> Date and time <br /> Well accessibility and integrity <br /> Pertinent well data (e g , casing diameter, depth to water, well depth) <br /> Calculated and actual purge volumes <br /> Purging equipment used <br /> Sampling equipment used <br /> SAC/P12\252025201000 ldl-94 1fe 1 A-5 Rev 0 10111194 <br />