Verification of Sampling Methods and Selection of Materials for Ground-Water Contamination Studies / MJ. Barcelona, JA. Helfrich, EE. Garske
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- The development of proven sampling methods which incorporate the use of noncontaminating materials has progressed steadily in the past five years. Once the hydrogeologic conditions and potential contaminant source characteristics have been identified at a particular study site, the selection of drilling methods, suitable sampling mechanisms, and appropriate materials must be made for the chemical constituents of interest. The results of laboratory and field testing of sampling mechanisms, tubing and well casing materials, and sampling procedures have identified elements of sampling protocols which are effective in reducing sampling bias and imprecision. The proper selection of these elements bears on the accuracy and precision of all subsequent measurements, since field blanks, sample splits, replicate samples, and standards can only account for errors which occur after sample collection.
- Dates of Publication and/or Sequential Designation:
- Volume 1988, Issue 963 (January 1988)
- 9780803150379 (e-ISBN)
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- text file PDF
- Bibliography Note:
- Includes bibliographical references 22.
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- Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1988. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
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- Mode of access: World Wide Web.
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- ASTM International PDF Purchase price USD25.
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