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Use of Set Blanks in Reporting Pesticide Results at the U.S. Geological Survey National Water Quality Laboratory, 2001–15 [研究报告]
10.3133/sir20195055U.S. Geological Survey. 2019-01-01
Medalie, Laura lmedalie@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Toccalino, Patricia L. ptocca@usgs.gov;  Foreman, William T. wforeman@usgs.gov;  ReVello, Rhiannon C.;  Bexfield, Laura M. bexfield@usgs.gov;  Riskin, Melissa L. mriskin@usgs.gov
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Data analysis considerations for pesticides determined by National Water Quality Laboratory schedule 2437 [研究报告]
10.3133/sir20185007U.S. Geological Survey. 2018-01-01
Shoda, Megan E. meshoda@usgs.gov;  Nowell, Lisa H. lhnowell@usgs.gov;  Stone, Wesley W. wwstone@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Bexfield, Laura M. bexfield@usgs.gov
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A field study of selected U.S. Geological Survey analytical methods for measuring pesticides in filtered stream water, June - September 2012 [研究报告]
10.3133/sir20175049U.S. Geological Survey. 2017-01-01
Martin, Jeffrey D. jdmartin@usgs.gov;  Norman, Julia E. jnorman@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Rose, Claire E. cerose@usgs.gov
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Determination of heat purgeable and ambient purgeable volatile organic compounds in water by gas chromatography/mass spectrometry [研究报告]
10.3133/tm5B12U.S. Geological Survey. 2016-01-01
Rose, Donna L. dlrose@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Murtagh, Lucinda K. lmurtagh@usgs.gov
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Determination of pesticides and pesticide degradates in filtered water by direct aqueous-injection liquid chromatography-tandem mass spectrometry [研究报告]
10.3133/tm5B11U.S. Geological Survey. 2016-01-01
Sandstrom, Mark W. sandstro@usgs.gov;  Kanagy, Leslie K. lkkanagy@usgs.gov;  Anderson, Cyrissa A. cadamson@usgs.gov;  Kanagy, Christopher J. ckanagy@usgs.gov
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