Search Results for the EPA National Library Catalog

Items Found: 3701
Showing: Items 2251 - 2300
Your Search: (SUBJECT=CHEMICAL ANALYSIS)


 
 
 
PREV 1 ... 41 42 43 44 45 46 47 48 49 50 51 ... 75 NEXT
Select Item Title Year Published
Method 1631, revision C : mercury in water by oxidation, purge and trap, and cold vapor atomic fluorescence spectrometry. 2001
Method 1631, Revision E: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry. 2002
Method 1631: mercury in water by oxidation, purge and trap, and cold vapor atomic fluorescence spectrometry. 1995
Method 1632 : determination of inorganic arensic in water by hydride generation flame atomic absorption. 1996
Method 1632 : inorganic arsenic in water by hydride generation quartz furnace atomic absorption. 1996
Method 1632: determination of inorganic arsenic in water by hydride generation flame atomic absorption. 1995
Method 1636 : determination of hexavalent chromium by ion chromatography. 1996
Method 1636: determination of hexavalent chromium by ion chromatography. 1995
Method 1637 : determination of trace elements in ambient waters by chelation preconcentration with graphite furnace atomic absorption. 1995
Method 1637 : determination of trace elements in ambient waters by chelation preconcentration with graphite furnace atomic absorption. 1996
Method 1638 : determination of trace elements in ambient waters by inductively coupled plasma-mass spectrometry. 1996
Method 1638 : determination of trace elements in ambient waters by inductively coupled plasma-mass spectrometry. 1995
Method 1639 : determination of trace elements in ambient waters by stabilized temperature graphite furnace atomic absorption. 1996
Method 1639 : determination of trace elements in ambient waters by stabilized temperature graphite furnace atomic absorption. 1995
Method 1640 : determination of trace elements in ambient waters by on-line chelation preconcentration and inductively coupled plasma-mass spectrometry. 1996
Method 1640 : determination of trace elements in ambient waters by on-line chelation preconcentration and inductively coupled plasma-mass spectrometry. 1995
Method 1664 : n-hexane extractable material (HEM) and silica gel treated n-hexane extractable material (SGT-HEM) by extraction and gravimetry (oil and grease and total petroleum hydrocarbons) / 1994
Method 1664 : n-hexane extractable material (HEM) and silica gel treated n-hexane extractable material (SGT-HEM) by extraction and gravimetry (oil and grease and total petroleum hydrocarbons). 1995
Method 1664, Revision B: N-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (SGT-HEM; Non-Polar Material) by Extraction and Gravimetry. 2010
Method 1664: N-Hexane Extractable Material (HEM) and Silica Gel Treated N-Hexane Extractable Material (SGT-HEM) by Extraction and Gravimetry (Oil and Grease and Total Petroleum Hydrocarbons), January 1995. 1995
Method 1668, Revision A Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS. 2003
Method 1668A Interlaboratory Validation Study Report, March 2010. 2010
Method 1668B Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue By HRGC/HRMS. 2008
Method 1668C Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS, April 2010. 2010
Method 1669 : sampling ambient water for trace metals at EPA water quality criteria levels : draft. 1996
Method 1669 : sampling ambient water for trace metals at EPA water quality criteria levels. 1995
Method 1698: Steroids and Hormones in Water, Soil, Sediment, and Biosolids by HRGC/HRMS. 2007
Method 1699: Pesticides in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS. 2007
Method 200.8 determination of trace elements in waters and wastes by inductively coupled plasma: Mass Spectrometry. Revision 4.3 1990
Method 218.7: Determination of Hexavalent Chromium in Drinking Water by Ion Chromatography with Post-Column Derivatization and UV-Visible Spectroscopic Detection. Version 1,0. 2011
Method 300.0 : the determination of inorganic anions in water by ion chromatography / 1989
Method 314.2: Determination of Perchlorate in Drinking Water Using Two-Dimensional Ion Chromatography with Suppressed Conductivity Detection. Version 1.0. 2008
Method 531.2: Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post Column Derivatization. Revision 1.0. 2001
Method 552. determination of haloacetic acids and dalapon in drinking water by liquid-liquid microextraction, derivatization, and gas chromatography with electron capture detection. {electronic resource} : 2003
Method 556.1: Determination of Carbonyl Compounds in Drinking Water by Fast Gas Chromatography. Rev 1.0. 1999
Method 556: Determination of Carbonyl Compounds in Drinking Water by Pentafluorobenzylhydroxylamine Derivatization and Capillary Gas Chromatography with Electron Capture Detection. Rev 1.0. 1998
Method 557: Determination of Haloacetic Acids, Bromate, and Dalapon in Drinking Water by Ion chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS). Version 1.0. 2009
Method development and evaluation of draft protocol for measurement of condensible particulate emissions : test report / 1990
Method Development and Field Measurements for Polar Volatile Organic Compounds in Ambient Air. 1993
Method development and monitoring of polynuclear aromatic hydrocarbons in selected U.S. waters / 1977
Method development for determination of polychlorinated hydrocarbons in municipal sludge / 1980
Method Development for Determination of Polychlorinated Hydrocarbons in Municipal Sludge. 1982
Method Evaluation Study: The Application of SemiVOST to the Nonhalogenated Semivolatile Organic Compounds from the Clean Air Act Amendments. 1996
Method Evaluation Study: The Application of SemiVOST to the Nonhalogenated Semivolatile Organic Compounds from the Clean Air Act Amendments. 1996
Method for analyzing emissions from atmospheric fluidized-bed combustor / 1977
Method for Aquatic Multiple Species Toxicant Testing: Acute Toxicity of 10 Chemicals to 5 Vertebrates and 2 Invertebrates. 1985
Method for Collection and Analysis of Chlorobenzenes. 1984
Method for Determination of Low Levels of Exposure to 2,4-D and 2,4,5-T. 1971
Method for determining potential odor contribution of selected kraft process streams / 1979
Method for the Determination of 1-Naphthol in Urine. 1971
PREV 1 ... 41 42 43 44 45 46 47 48 49 50 51 ... 75 NEXT

Save, Print or Email Selected Records