|
Category |
Code |
Description |
Source |
Reference |
Active
|
Alias
|
|
Analysis
|
EPA300.1
|
Determination of Inorganic Anions in Drinking Water by Ion Chromatography (IC)
|
USEPA
|
Methods for the Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1 (EPA/815-R-00-014), Rev 1, 1997
|
Y
|
|
|
Analysis
|
EPA305.1
|
Acidity by Titration
|
USEPA
|
U.S. EPA 1979, National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (EPA/600/4-79/020)
|
Y
|
|
|
Analysis
|
EPA310.1
|
Alkalinity (Titrimetric, pH 4.5)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Issued 1971; Editorial Revision 1978
|
Y
|
|
|
Analysis
|
EPA310.2
|
Alkalinity (Colorimetric, Automated, Methyl Orange)
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 600/4-79-020.
|
Y
|
|
|
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.
|
Y
|
|
|
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.
|
Y
|
|
|
Analysis
|
EPA325.2
|
Chloride by Automated Colorimetry (Ferricyanide)
|
USEPA
|
Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
Analysis
|
EPA325.3
|
Chloride by Mercuric Nitrate Titrimetry
|
USEPA
|
Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
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)
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA335.3
|
Total Cyanide by Automated UV Colorimetry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA340.1
|
Total Fluoride by Colorimetry, SPADNS with Bellack Distillation
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA340.3
|
Fluoride by Colorimetry, Automated Compexone
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
Analysis
|
EPA349.0
|
Ammonia in Estuarine in Coastal Waters by Automated Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.0
|
Y
|
|
|
Analysis
|
EPA350.1
|
Nitrogen as Ammonia, Colorimetric, Automated Phenate
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100)
|
Y
|
|
|
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
|
Y
|
|
|
Analysis
|
EPA350.2
|
Nitrogen as Ammonia (Colorimetric; Titrimetric; Potentiometric - Distillation Procedure)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA350.3M
|
Nitrogen as Ammonia (Potentiometric, Ion Selective Electrode), 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)
|
Y
|
|
|
Analysis
|
EPA351.1
|
Nitrogen, Total, Kjeldahl, Colorimetric, Automated Phenol 600/4-79-020
|
USEPA
|
U.S. Environmental Protection Agency Office of Water.
|
Y
|
|
|
Analysis
|
EPA351.2
|
Total Kjeldahl Nitrogen in Water by Semiautomated Colorimetry, Revision 2
|
USEPA
|
U.S. EPA, 1993. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), Revision 2, August 1993, EPA-ORD / EPA-OST.
|
Y
|
|
|
Analysis
|
EPA351.2M
|
Total Kjeldahl Nitrogen in Water by Semiautomated Colorimetry, Revision 2, Modified.
|
USEPA
|
U.S. EPA, 1993. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), Revision 2, August 1993, Modified, EPA-ORD / EPA-OST.
|
Y
|
|
|
Analysis
|
EPA351.3
|
Total Kjeldahl Nitrogen Colorimetric, Titrimetric, Potentiometric
|
USEPA
|
U.S. Environmental Protection Agency Office of Water. 600/R-93-100
|
Y
|
|
|
Analysis
|
EPA351.4
|
Total Kjeldahl Nitrogen Potentiometric, Ion Selective Electrode
|
USEPA
|
U.S. Environmental Protection Agency Office of Water. 600/4-79-020
|
Y
|
|
|
Analysis
|
EPA351.4M
|
Nitrogen, Kjeldahl Total (Potentiometric, Ion Selective Electrode), Modified for Solids
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL)
|
Y
|
|
|
Analysis
|
EPA352.1
|
Nitrate by Colorimetry
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), 1971
|
Y
|
|
|
Analysis
|
EPA353.1
|
Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Hydrazine Reduction)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), Cincinnati, OH, Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
|
Y
|
|
|
Analysis
|
EPA353.2
|
Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Cadmium Reduction), Revision 2
|
USEPA
|
US EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2, August 1993, National Exposure Research Laboratory (NERL), Cincinnati, OH.
|
Y
|
|
|
Derivation
|
EPA353.2-ASTM-D3590
|
Total Nitrogen calculated from Nitrate-Nitrite as N by EPA353.2 and Total Kjeldahl Nitrogen as N by ASTM-D3590.
|
|
|
Y
|
|
|
Analysis
|
EPA353.2M
|
Nitrogen, Nitrate-Nitrite (Colorimetric, Automated Cadmium Reduction), Revision 2, Modified for Soils.
|
USEPA
|
US EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2, August 1993, National Exposure Research Laboratory (NERL), Cincinnati, OH.
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA353.4
|
Nitrate and Nitrite in Estuarine and Coastal Waters by Automated Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 2.0
|
Y
|
|
|
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)
|
Y
|
|
|
Analysis
|
EPA360.1
|
Dissolved Oxygen (DO) by Membrane Electrode.
|
USEPA
|
US EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW), EPA/600/4-79/020, 1971.
|
Y
|
|
|
Measurement
|
EPA360.1-Field
|
Dissolved Oxygen (DO) by Membrane Electrode, Field Measurement.
|
USEPA
|
US EPA National Exposure Research Laboratory (NERL), Methods for the Chemical Analysis of Water and Wastes (MCAWW), EPA/600/4-79/020, 1971.
|
Y
|
|
|
Analysis
|
EPA360.2
|
Dissolved Oxygen (DO) by Modified Winkler Full Bottle
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL), 1971 600/4-79-020
|
Y
|
|
|
Analysis
|
EPA365.1
|
Phosphorus, All Forms (Colorimetric, Automated, Ascorbic Acid)
|
USEPA
|
U.S.EPA National Exposure Research Laboratory (NERL) 600/R-93-100
|
Y
|
|
|
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
|
Y
|
|
|
Analysis
|
EPA365.2
|
Phosphorus, (All Forms), Colorimetric, Ascorbic Acid, Single Reage
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 600/4-79-020.
|
Y
|
|
|
Analysis
|
EPA365.3
|
Phosphorus, (All Forms), Colorimetric, Ascorbic Acid, Two Reagent
|
USEPA
|
U.S. Environmental Protection Agency Office of Water 600/4-79-020
|
Y
|
|
|
Analysis
|
EPA365.3M
|
Phosphorus, Orthophosphate; Colorimetric, Ascorbic Acid, Two Reagent low level cal. Modified.
|
USEPA
|
U.S. Environmental Protection Agency Office of Water. 600/4-79-020
|
Y
|
|
|
Analysis
|
EPA365.3OP
|
Phosphorus, Ortho-phos; Colorimetric, Ascorbic Acid, Two Reagent
|
USEPA
|
|
Y
|
|
|
Analysis
|
EPA365.4
|
Phosphorous, Total (Colorimetric, Automated, Block Digester AA II)
|
USEPA
|
Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020), U.S.EPA National Exposure Research Laboratory (NERL), Microbiological and Chemical Exposure Assessment Research Division, Cincinnati, Ohio, Issued 1974
|
Y
|
|
|
Analysis
|
EPA365.5
|
Orthophosphate in Estuarine and Coastal Waters by Colorimetry (Automated)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.4
|
Y
|
|
|
Analysis
|
EPA366.0
|
Dissolved Silicate in Estuarine and Coastal Waters by Colorimetry (Gas Segmented Continuous Flow Colorimetric Analysis)
|
USEPA
|
U.S. EPA National Exposure Research Laboratory (NERL), 1997, Methods for Determination of Chemical Substances in Marine and Estuarine Matrices - 2nd Edition (EPA/600/R-97/072), Revision 1.0
|
Y
|
|
|
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)
|
Y
|
|
|
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)
|
Y
|
|
|
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)
|
Y
|
|
|
1504 records
|