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COMPARISON OF GROUND-WATER SAMPLING DEVICES BASED ON EQUILIBRATION OF WATER QUALITY INDICATOR PARAMETERS
Citation:
Paul, C. AND R. Puls. COMPARISON OF GROUND-WATER SAMPLING DEVICES BASED ON EQUILIBRATION OF WATER QUALITY INDICATOR PARAMETERS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-93/005 (NTIS PB93149201).
Description:
The sampling device selected when obtaining ground-water samples can have a significant impact on the representativeness and reproducibility of the sample. his study evaluated several different sampling devices (low speed submersible pump, peristaltic pump, and bladder pump) in two monitoring wells to obtain ground-water samples based on the equilibration of water quality indicator parameters. he indicator parameters were continuously monitored during purging and sampling with all devices and Include: turbidity, specific conductance, pH, oxidation-reduction potential, dissolved oxygen, and temperature. ontaminant (chromium, trichloroethylene (TCE) concentration levels were also measured for all devices.
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COMPARISON OF GROUND-WATER SAMPLING DEVICES BASED ON EQUILIBRATION OF WATER QUALITY INDICATOR PARAMETERS