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Use of Set Blanks in Reporting Pesticide Results at the U.S. Geological Survey National Water Quality Laboratory, 2001–15 科技报告
报告编号: 70203807, , 2019
作者:  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
Adobe PDF(8121Kb)  |  收藏  |  浏览/下载：36/15  |  提交时间：2019/11/06
Data analysis considerations for pesticides determined by National Water Quality Laboratory schedule 2437 科技报告
报告编号: 70194955, , 2018
作者:  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
Adobe PDF(7937Kb)  |  收藏  |  浏览/下载：38/20  |  提交时间：2019/11/06
Determination of pesticides and pesticide degradates in filtered water by direct aqueous-injection liquid chromatography-tandem mass spectrometry 科技报告
报告编号: 70154969, 页数: 73, 2016
作者:  Sandstrom, Mark W. sandstro@usgs.gov;  Kanagy, Leslie K. lkkanagy@usgs.gov;  Anderson, Cyrissa A. cadamson@usgs.gov;  Kanagy, Christopher J. ckanagy@usgs.gov
Adobe PDF(5994Kb)  |  收藏  |  浏览/下载：52/14  |  提交时间：2019/11/06
Determination of heat purgeable and ambient purgeable volatile organic compounds in water by gas chromatography/mass spectrometry 科技报告
报告编号: 70168741, 页数: 78, 2016
作者:  Rose, Donna L. dlrose@usgs.gov;  Sandstrom, Mark W. sandstro@usgs.gov;  Murtagh, Lucinda K. lmurtagh@usgs.gov
Adobe PDF(4894Kb)  |  收藏  |  浏览/下载：36/16  |  提交时间：2019/11/06