|
Category |
Code |
Description |
Source |
Reference |
Low level method |
Active
|
Alias
|
Modified By
|
Modified Date
|
|
Analysis
|
EPA-TO-15M
|
Determination of Volatile Organic Compounds (VOCs) in Air Collected in Specially-Prepared Canisters and Analyzed by Gas Chromatography/ Mass Spectrometry (GC/MS), modified method
|
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
|
|
benf461
|
10/03/2023
|
|
Analysis
|
EPA504.1
|
1,2-Dibromoethane (EDB), 1,2-Dibromo-3-Chloro-Propane (DCBP), and 1,2,3-Trichloropropane (123TCP) in Water by Microextraction and Gas Chromatography
|
USEPA
|
U.S. EPA Office of Ground Water and Drinking Water/Technical Support Center, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), 1995
|
N
|
Y
|
|
benf461
|
10/12/2023
|
|
Analysis
|
EPA600R93A
|
Determination of Asbestos in Bulk Building Materials Using Polarized Light Microscopy (PLM) and Other Methods, EPA/600/R-93/116
|
USEPA
|
U.S. EPA Atmospheric Research and Exposure Assessment Lab, Research Triagle Park, NC, EPA/600/R-93/116, June 1993.
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA625M
|
Base/Neutral and Acid Organics in Wastewater by GC/MS, Modified
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Cincinnati, Ohio, Methods and Guidance for Analysis of Water CD, Version 2.0
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA335.1
|
Cyanides Amenable to Chlorination 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
|
|
benf461
|
10/04/2023
|
|
Analysis
|
EPA1603
|
E. coli in Water by Membrane Filtration using Modified mTEC Agar
|
USEPA
|
U.S. Environmental Protection Agency Office of Water, EPA-821-R-02-023, September 2002
|
N
|
Y
|
|
benf461
|
10/04/2023
|
|
Analysis
|
EPA-TO-3M
|
Volatile Organic Compounds (VOCs) in Ambient Air Using Cryogenic Preconcentration Techniques and Gas Chromatography with Flame Ionization and Electron Capture Detection, modified method, 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
|
|
benf461
|
10/03/2023
|
|
Analysis
|
EPA903.0
|
Alpha-Emitting Radium Isotopes in Drinking Water by Alpha Scintillation, Version 1.0
|
USEPA
|
US EPA, 1980. Prescribed Procedures for Measurement of Radioactivity in Drinking Water (EPA/600/4-80-032), August 1980.
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA549.2
|
Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection (HPLC-UV), Revision 1.0.
|
USEPA
|
USEPA, June 1997, Method 524.3, Revision 1. http://www.epa.gov/safewater/methods/methods.html, EPA Office of Research and Development, http://www.epa.gov/nerlcwww/ordmeth.htm.
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA1604
|
Total Coliform and E. coli in Water by Membrane Filtration using Simultaneous Detection
|
USEPA
|
U.S. Environmental Protection Agency Office of Water, EPA-821-R-02-024, September 2002.
|
N
|
Y
|
|
benf461
|
10/04/2023
|
|
Analysis
|
EPARa-05
|
Radiochemical Determination of Radium-228 in Water Samples by Radiochemical Precipitation and Low Background Proportional Beta Count
|
USEPA
|
US EPA, 1984. Radiochemistry Procedures Manual (EPA/520/5-84-006), June 1984.
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA508
|
Chlorinated Pesticides in Water by Gas Chromatography with an Electron Capture Detector (GCECD)
|
USEPA
|
EPA, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131), Revision 3.1, 1995
|
N
|
Y
|
|
benf461
|
10/12/2023
|
|
Preparation
|
EPA1640-PREP
|
Preparation by Reductive Precipitation in 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
|
|
CNEU461
|
01/23/2025
|
|
Analysis
|
EPA376.3-SW6010C
|
Acid Volatile Sulfide (AVS) and Simultaneously Extractable Metals (SEM) in Sediment (Draft) and Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) for Metals & Trace Elements, Revision 3.
|
USEPA
|
USEPA, Draft Method, Office of Science and Technology, December 1991, EPA-821-R-91-100 and EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 3, February 2007.
|
N
|
Y
|
|
benf461
|
10/09/2023
|
|
Analysis
|
1340-6010C
|
Metals & Trace Elements by In Vitro Bioaccessibility Assay for Lead in Soil Prep (EPA SW1340, Revision 1) and Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES, EPA SW6010C, Revision 3).
|
USEPA
|
U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, SW1340 Revision 1, February 2017 and SW6010C Revision 3, February 2007.
|
N
|
Y
|
|
CNEU461
|
02/13/2025
|
|
Analysis
|
EPA445.0
|
In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence
|
USEPA
|
US EPA, 1997. National Exposure Research Laboratory Office of Research and Development, Cincinnati, Ohio, Revision 1.2, September 1997.
|
N
|
Y
|
|
benf461
|
10/12/2023
|
|
Analysis
|
EPA410.4
|
Chemical Oxygen Demand by Colorimetry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Microbiological and Chemical Exposure Assessment Research Division (MCEARD), EPA 600/4-79-020
|
N
|
Y
|
|
benf461
|
10/09/2023
|
|
Analysis
|
EPA-KAHN88
|
Lloyd Kahn Method for Determination of Total Organic Carbon (TOC) in Sediment.
|
USEPA
|
Kahn, Lloyd, 1988. Determination of Total Organic Carbon in Sediment. US EPA Region II Environmental Services Division, Edison, NJ, July 27, 1988.
|
N
|
Y
|
|
benf461
|
10/03/2023
|
|
Analysis
|
EPA522-V1.0
|
Determination of 1,4-Dioxane in Drinking Water by Solid Phase Extraction (SPE) and Gas Chromatography Mass Spectrometry (GC/MS) with Selected Ion Monitoring (SIM). Version 1.0
|
USEPA
|
Munch, J. W. AND P. Grimmett. U.S. Environmental Protection Agency, Washington, DC, Version 1.0, September 2008, EPA/600/R-08/101.
|
N
|
Y
|
|
benf461
|
10/16/2023
|
|
Analysis
|
EPA552.3
|
Determination of Haloacetic Acids and Dalapon in
Drinking Water by Liquid-liquid Microextraction,
Derivatization, and Gas Chromatography with
Electron Capture Detection
|
USEPA
|
US EPA, Methods for the Determination of Organic Compounds in Drinking Water -( EPA 815-B-03-002) Revision 1.0, July 2003
|
N
|
Y
|
|
benf461
|
10/10/2024
|
|
Analysis
|
EPA537.1-V2.0
|
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 2.0.
|
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-20/006, Version 2.0, March 2020.
|
N
|
Y
|
|
CNEU461
|
10/14/2024
|
|
Analysis
|
EPA1633
|
Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, Revision 0
|
USEPA
|
U.S. Environmental Protection Agency, Office of Water, Office of Science and Technology, Engineering and Analysis Division, EPA 821-R-24-001, January 2024, Revision 0.
|
N
|
Y
|
|
CNEU461
|
04/30/2025
|
|
Analysis
|
EPA200.8-SW7196A
|
Chromium(III) by Calculation of Total Chromium by EPA200.8 (Metals and Trace Elements in Waters by ICP-MS) minus Chromium(VI) by SW7196A (Chromium, Hexavalent, Colorimetric, Revision 1)
|
USEPA
|
U.S.EPA - NERL, Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111) and Office of Solid Waste SW-846, SW7196A Revision 1, July 1992.
|
N
|
Y
|
|
CNEU461
|
12/18/2024
|
|
Analysis
|
EPA533
|
Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Drinking Water by Isotope Dilution Anion Exchange Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry, Rev. 2019.
|
USEPA
|
USEPA, Office of Groundwater and Drinking Water/Office of Water, Tech Support Center, Cincinnati OH, No. 815-B-19-020, December 2019.
|
N
|
Y
|
|
CNEU461
|
04/08/2025
|
|
Analysis
|
ACE-LSTV
|
Grain Size Analysis, Laboratory Soils Testing, USACE EM 1110-2-1906 Appendix V
|
USACE
|
US Army Corps of Engineers (USACE), 1970, 1986. Laboratory Soils Testing, Engineering Manual EM 1110-2-1906, Appendix V, Washington, D.C.
|
|
Y
|
|
CNEU461
|
11/02/2005
|
|
Analysis
|
EPA218.2
|
Chromium by Graphite Furnace Atomic Absorption (GFAA)
|
USACE
|
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
|
|
benf461
|
10/04/2023
|
|
Analysis
|
COMB CO2
|
Total Organic Carbon (TOC) combustion/CO2
|
TETRA TECH
|
|
|
Y
|
|
CNEU461
|
02/20/2004
|
|
Analysis
|
SM10200H3
|
Fluorometric determination of chlorophyll a in presence of pheophytin
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998.
|
N
|
Y
|
|
benf461
|
09/28/2023
|
|
Analysis
|
SM16-403
|
Alkalinity, Titrimetric (pH 8.3, 4.5)
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/28/2023
|
|
Analysis
|
SM16-412H
|
Cyanide, Weak Acid Dissociable
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/28/2023
|
|
Analysis
|
SM16-908A
|
Standard Total Coliform by Multiple Tube Fermentation
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM16-503D
|
Oil and grease gravimetric sox extraction for sludge
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM16-908C
|
Fecal Coliform by Multiple Tube Fermentation using EC or A-1 Medium (undifferentiated)
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM16-909B
|
Total Coliform by Membrane Filtration with Delayed Incubation
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM16-909C
|
Fecal Coliform by Membrane Filtration using mFC Medium.
|
Standard Methods
|
16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM2120B
|
Color, Visual Comparison Method
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM17-9230C
|
Fecal Strep and Enterococci by Membrane Filtration
|
Standard Methods
|
17th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1989.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM2540C
|
Total Dissolved Solids (TDS) Dried at 180 Deg C
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis or Measurement
|
SM2130B
|
Turbidity, Nephelometric Method
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998
|
N
|
Y
|
SM2130
|
mbac461
|
09/04/2024
|
|
Analysis
|
SM2540D
|
Total Suspended Solids (TSS) Dried at 103 -105 deg C
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM2310B
|
Acidity, Titrimetric (pH 8.2)
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM2540F
|
Settleable Solids
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM2340B
|
Hardness, Total (as CaCO3), Calculated
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM4500NH3D
|
Nitrogen (Ammonia) Ammonia-Selective Electrode Method.
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF.
|
|
Y
|
|
CNEU461
|
11/13/2019
|
|
Analysis
|
SM2340C
|
Hardness, Total (mg/l as CaCO3), Titrimetric, EDTA
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM4500NO2B
|
Nitrogen (as Nitrite, NO2) by Colorimetric Method
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, 18th & 19th Editions
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM2540B
|
Total Solids Dried from 103 to 105 °C
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM5210B
|
Biochemical Oxygen Demand (BOD), 5 day at 20 deg C
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
Analysis
|
SM2540E
|
Fixed and Volatile Solids Ignited at 500 deg C
|
Standard Methods
|
18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998.
|
N
|
Y
|
|
benf461
|
09/29/2023
|
|
Analysis
|
SM5220B
|
Chemical Oxygen Demand, Titrimetric, Mid-Level
|
Standard Methods
|
Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF
|
N
|
Y
|
|
benf461
|
10/02/2023
|
|
1503 records
|