|
Category |
Code |
Description |
Source |
Reference |
Low level method |
Active
|
Alias
|
Modified Date
|
|
Analysis
|
EPA-NPS-4
|
Determination of Carbamate Pesticides in Ground Water by High-Performance Liquid Chromatography (HPLC) with an Ultraviolet Detector
|
USEPA
|
EPA, 1989/1990. Quality Assurance Project Plan For The National Pesticide Survey Of Drinking Water Wells Analytical Method 4 Carbamates, Section 9, EPA 810/B-92-004
|
N
|
Y
|
|
10/03/2023
|
|
Analysis
|
EPA200.7AV
|
Simultaneously Extracted Metals (SEM) in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES), with Acid Volatile Sulfides/AVS
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 4.4, 1994
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA200.8AV
|
Simultaneously Extracted Metals (SEM) in Waters by ICP-MS (w/Acid Volatile Sulfides/AVS)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), modified
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA350.1M
|
Nitrogen as Ammonia, Colorimetric, Automated Phenate, Modified for Solids
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), modified
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA1613A
|
Tetra- thru Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS, Revision A
|
USEPA
|
US EPA, Methods and Guidance for Analysis of Water, 821/B-94-005
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA365.1M
|
Phosphorus (All Forms), Colorimetric, Automated- Low Level, Ascorbic Acid Modified.
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 600/4-79-020
|
N
|
Y
|
|
10/09/2023
|
|
Analysis
|
EPA610
|
Polynuclear Aromatic Hydrocarbons (PAHs), GC or HPLC
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 40CFR 136 App A
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA624
|
GC/MS Purge and Trap Scan
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 40CFR 136 App A
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA625
|
Base/Neutral and Acid Organics in Wastewater by GC/MS
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Cincinnati, Ohio, Methods and Guidance for Analysis of Water CD, Version 2.0
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA632
|
Carbamates and Urea Pesticides in Soil and Water by High Performance Liquid Chromatography (HPLC)
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 821/R-93-010-A, CD
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA615-515
|
Determination of Chlorinated Herbicides in Municipal and Industrial Wastewater (615) and in Drinking Water (515) by Gas Chromatography (CG) with an Electron Capture Detector
|
USEPA
|
EPA, 1992. Test Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater, EPA/821-B-96-005 (615) and Hodgeson, JW, 1986. Determination of Chlorinated Herbicides in Drinking Water, EPA-615R86002.
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA901.1
|
Gamma emitting radionuclides in drinking water (Gamma Spectroscopy)
|
USEPA
|
US EPA, 1980. Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032), August 1980.
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA420.1
|
Phenols by Spectrophotometry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/09/2023
|
|
Analysis
|
EPA1630
|
Methyl Mercury in Water by Cold Vapor Atomic Florescence (CVAF)
|
USEPA
|
US EPA Office of Water, Engineering and Analysis Division, Washington DC
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA289.2
|
Zinc by Graphite Furnace Atomic Absorbtion (GFAA)
|
USEPA
|
U.S.EPA, 1979. National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA340.2
|
Fluoride, Potentiometric, Ion Selective Electrode
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA450.1
|
Total Organic Halides in Drinking, Ground, and Surface Waters by Carbon Absorption and Microcoulometric Titration
|
USEPA
|
EPA, 1980. Office of Research and Development, Environmental Monitoring and Support Laboratory, Physical and Chemical Methods Branch. Interim method 600/4-81-056
|
N
|
Y
|
|
10/12/2023
|
|
Analysis
|
EPA-NPS-3
|
Determination of Chlorinated Acid Herbicides in Ground Water by Gas Chromatography (CG) with an Electron Capture Detector
|
USEPA
|
EPA, 1990/1992. Quality Assurance Project Plan For The National Pesticide Survey Of Drinking Water Wells Analytical Method 1 - Nitrogen-Phosphorous Pesticides and Analytical Method 3, Appendix A, EPA 810/B-92-002. Other revisions: EPA515 (2) and EPA515.1
|
N
|
Y
|
|
10/03/2023
|
|
Analysis
|
EPA1613B
|
Tetra- thru Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS, Revision B
|
USEPA
|
US EPA, Methods and Guidance for Analysis of Water, 821/B-94-005, October 1994
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA524.2
|
Puregable Organic Compounds in Water by Capillary Column by Gas Chromatography/Mass Spectrometry (GC/MS)
|
USEPA
|
IN EPA Methods and Guidance for Analysis of Water, Version 2.0, Method Revision 4.1, 1995
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA335.4
|
Total Cyanide by Semi-Automated Colorimetry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA515
|
Determination of Chlorinated Herbicides in Drinking Water by Gas Chromatography (CG) with an Electron Capture Detector, Revision 2.0
|
USEPA
|
Hodgeson, JW, 1986. Determination of Chlorinated Herbicides in Drinking Water, EPA-615R86002. Supplement to Methods for the Determination of Organic Compounds in Finished Drinking Water and Raw Source Water. Other revisions of the same method: EPA-NPS-3
|
N
|
Y
|
|
10/12/2023
|
|
Analysis
|
EPA375.2
|
Sulfate (Colorimetric, Automated, Methylthymol Blue, AA II)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)
|
N
|
Y
|
|
10/09/2023
|
|
Analysis
|
EPA325.3
|
Chloride by Mercuric Nitrate Titrimetry
|
USEPA
|
Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA370.1
|
Silica, Dissolved (Colorimetric)
|
USEPA
|
US EPA 1971, Ed Rev 1978. National Exposure Research Laboratory (NERL). Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/09/2023
|
|
Analysis
|
EPA354.1
|
Nitrogen, Nitrite, by Spectroscopy (Colorimetry; Photometry)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), 1979. Methods and Guidance for Analysis of Water and Wastes (MCAWW), Version 2.0 (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA130.1
|
Hardness, Total (as CaCO3), Colorimetric, Automated EDTA
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL) 600/4-79-020
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA325.2
|
Chloride by Automated Colorimetry (Ferricyanide)
|
USEPA
|
Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA1640
|
Metals and Trace Elements in Ambient Waters by On-Line Chelation and ICP-MS.
|
USEPA
|
EPA Methods and Guidance for Analysis of Water, Version 2.0, 1997. Engineering and Analysis Division. EPA Method Guidance CD-ROM.
|
N
|
Y
|
|
01/23/2025
|
|
Analysis
|
EPA-TO-14
|
Volatile Organic Compounds (VOCs) In Ambient Air Using Specially Prepared Canisters With Subsequent Analysis By Gas Chromatography (GC)
|
USEPA
|
Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition, (EPA/625/R-96/010b)
|
N
|
Y
|
|
10/03/2023
|
|
Analysis
|
EPA-NPS-5
|
Measurement of N-Methylcarbamoyloxime and N-Methylcarbamate Pesticides in Ground Water by Direct Aquesous Injection High-Performance Liquid Chromatography (HPLC) with Post-Column Derivatization and a Fluorescence Detector
|
USEPA
|
EPA, 1989/1990, Quality Assurance Project Plan For The National Pesticide Survey Of Drinking Water Wells Analytical Method 5 Methyl Carbamates, Appendix A, EPA 810/B-92-005
|
N
|
Y
|
|
10/03/2023
|
|
Analysis
|
EPA515.1
|
Determination of Chlorinated Acids in Water by Gas Chromatography (GC) with an Electron Capture Detector, Revision 4.1
|
USEPA
|
EPA-TSC/NERL, 1995. Methods for the Determination of Organic Compounds in Drinking Water - Supplement II, EPA/600/R-92-129, Revision 4.1
|
N
|
Y
|
EPA 515.1
|
10/12/2023
|
|
Analysis
|
EPA335.2
|
Total Cyanide in Water by Titrimetry, Spectrophotometry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA1632
|
Inorganic Arsenic in Water by Hydride Generation Quartz Furnace Atomic Absorption
|
USEPA
|
US EPA Office of Water, Engineering and Analysis Division, Washington DC, 821-R-96-013, July 1996
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA375.1
|
Sulfate (Colorimetric, Automated, Chloranilate)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/09/2023
|
|
Analysis
|
EPA1658
|
Determination of Phenoxy-Acid Herbicides in Municipal and Industrial Wastewater
|
USEPA
|
US EPA, 1993. Methods For The Determination Of Nonconventional Pesticides In Municipal And Industrial Wastewater Volume 1, 821/R-93-010-A
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA353.3
|
Nitrogen, Nitrate-Nitrite (Spectrophotometric, Cadmium Reduction)
|
USEPA
|
US EPA, 1974. National Exposure Research Laboratory (NERL). Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA200.8M
|
Metals and Trace Elements in Waters by ICP-MS, modified
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA1664A
|
N-Hexane Extractable Material (Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (Non-Polar Material) by Extraction and Gravimetry, Revision A
|
USEPA
|
US EPA Office of Water, Engineering and Analysis Division, Washington DC, Revision A, EPA-821-R-98-002, February 1999
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA537.1-V1.0
|
Determination of Selected Per- and Polyfluorinated Alkyl Substances (PFAS) in Drinking Water by Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS), Version 1.0.
|
USEPA
|
Shoemaker, J. and Dan Tettenhorst. U.S. EPA, Office of Research and Development, National Center for Environmental Assessment, Washington, DC. EPA537.1, EPA/600/R-18/352, Version 1.0, 11/02/2018
|
N
|
Y
|
|
10/14/2024
|
|
Analysis
|
EPA314.0M
|
Determination of Perchlorate in Drinking Water Using Ion Chromatography, modified
|
USEPA
|
U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Cincinnati, OH, Revision 1, November 1999.
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA350.3
|
Nitrogen as Ammonia (Potentiometric, Ion Selective Electrode)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA245.1M
|
Mercury by Manual Cold Vapor Atomic Absorption (CVAA), Revision 3.0, Modified Method
|
USEPA
|
U.S.EPA, 1994. Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 3.0, Modified. National Exposure Research Laboratory (NERL), Cincinnati, Ohio
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA630.1
|
The Determination of Dithiocarbamates Pesticides in Municipal and Industrial Wastewater
|
USEPA
|
U.S. EPA, 1993, Methods For The Determination Of Nonconventional Pesticides In Municipal And Industrial Wastewater Volume 1, 821/R-93-010-A, August 1993.
|
N
|
Y
|
|
10/16/2023
|
|
Analysis
|
EPA236.1
|
Iron by Flame Atomic Absorption (AA), Direct Aspiration
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1974 and 1978.
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA625-SIM
|
Base/Neutral and Acid Organics in Wastewater by GC/MS, Selective Ion Monitoring (SIM)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Cincinnati, Ohio, Methods and Guidance for Analysis of Water CD, Version 2.0
|
N
|
Y
|
EPA625SIM
|
10/16/2023
|
|
Analysis
|
EPA314.0
|
Determination of Perchlorate in Drinking Water Using Ion Chromatography
|
USEPA
|
U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Cincinnati, OH, Revision 1, November 1999.
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA160.4M
|
Residue, Volatile, Muffle Furnace, Gravimetric, Ignition at 550 Deg-C, modified
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
N
|
Y
|
|
10/04/2023
|
|
Analysis
|
EPA-TO-4A
|
Determination of Pesticides and Polychlorinated Biphenyls in Ambient Air Using HIGH Volume Polyurethane Foam (PUF) Sampling Followed by Gas Chromatographic/Multi-Detector Detection (GC/MD), Second Edition
|
USEPA
|
EPA, 1999. Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition (EPA/625/R-96/010b). EPA Center for Environmental Research Information, Cincinnati, OH
|
N
|
Y
|
|
10/03/2023
|
|
Analysis
|
EPA1632A
|
Chemical Speciation of Arsenic in Water and Tissue by HGC/FAA, Revision A
|
USEPA
|
US EPA Office of Water, Engineering and Analysis Division, Washington DC, Revision A, 821-R-01-006, January 2001
|
N
|
Y
|
|
10/04/2023
|
|
1537 records
|