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Quality of volatile organic compound data from groundwater and surface water for the National Water-Quality Assessment Program, October 1996-December ... Scientific Investigations Report 2011-5204
David A. Bender
Paperback. BiblioGov 2013-03-07.
ISBN 9781288859030
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Förlagets beskrivning
This report describes the quality of volatile organic compound (VOC) data collected from October 1996 to December 2008 from groundwater and surface-water sites for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program. The VOC data described were collected for three NAWQA site types: (1) domestic and public-supply wells, (2) monitoring wells, and (3) surface-water sites. Contamination bias, based on the 90-percent upper confidence limit (UCL) for the 90th percentile of concentrations in field blanks, was determined for VOC samples from the three site types. A way to express this bias is that there is 90-percent confidence that this amount of contamination would be exceeded in no more than 10 percent of all samples (including environmental samples) that were collected, processed, shipped, and analyzed in the same manner as the blank samples. This report also describes how important native water rinsing may be in decreasing carryover contamination, which could be affecting field blanks
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Quality of volatile organic compound data from groundwater and surface water for the National Water-Quality Assessment Program, October 1996-December ... Scientific Investigations Report 2011-5204
Bokrecensioner » Quality of volatile organic compound data from groundwater and surface water for the National Water-Quality Assessment Program, October 1996-December ... Scientific Investigations Report 2011-5204
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