Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
Measurement GWLML Groundwater level interpreted from geophysical logs USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMF Groundwater level by float / shaft encoder / data logger USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMZ Groundwater level by other method USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMB Groundwater level by analog (mechanical) recorder USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMC Groundwater level by calibrated airline measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMH Groundwater level by calibrated mechanical pressure-gage measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMS Groundwater level by steel tape measurement. USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMR Groundwater level reported, method not known USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement USGS-FLOW Streamflow reported by USGS from gaging station, using standard USGS procedures. USGS Wahl, K.L. et al., 1995. Stream-Gaging Program of the U.S. Geological Survey. USGS Circular 1123. http://water.usgs.gov/pubs/circ/circ1123/ Y CNEU461 12/09/2004
Measurement GWLME Groundwater level, estimated USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMA Groundwater level by airline measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMG Groundwater level by mechanical pressure-gage measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMV Groundwater level by calibrated electric tape measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMQ Groundwater level by downhole mechanical pressure recorder (DST) USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMP Groundwater level by pressure transducer USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMD Groundwater level by float / digital punch tape USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMN Groundwater level by nonrecording gage USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMM Groundwater level by manometer measurement USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Measurement GWLMT Groundwater level by electric tape measurement. USGS USGS, 1992. National Water Information System User's Manual, Ground-Water Site-Inventory System. http://waterdata.usgs.gov/nwis/ Y KKIN461 12/06/2018
Analysis EPA1104 E. coli in Water using EC Medium with MUG Multiple Tube Procedure USEPA 600/4-91-016 N Y benf461 10/03/2023
Analysis EPA110.2 Color, Colorimetric, Platinum-Cobalt (pH 7.6) USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020 N Y benf461 10/04/2023
Analysis or Measurement EPA120.1 Specific conductivity (conductance) by conductivity meter @ 25 deg C USEPA Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y mbac461 09/04/2024
Analysis EPA1105 E. coli in Water using Nutrient Agar with MUG Membrane Filtration USEPA U.S. Environmental Protection Agency Office of Water 600/4-91-016 N Y benf461 10/04/2023
Analysis EPA160.1 Residue, Filterable, Gravimeteric, Dried at 180 Deg-C USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020 N Y benf461 10/04/2023
Analysis or Measurement EPA150.1 pH, Electrometric USEPA U.S. EPA, 1979, 1983. Methods for the Chemical Analysis of Water and Wastes. Environmental Monitoring and Support Laboratory, Office of Research and Development, Cincinnati, OH. (EPA/600/4-79/020). N Y mbac461 09/04/2024
Analysis EPA160.4 Residue, Volatile, Muffle Furnace, Gravimetric, Ignition at 550 Deg-C 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 EPA160.2 Residue, Non-Filterable, Gravimetric, Dried at 103-105 Deg-C USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020 N Y benf461 10/04/2023
Analysis EPA1618 Pesticides (GC/AED) Herbicides, Phenoxy-acid by Wide Bore Capillary Pesticides, Organo-halide/phosphorus:Malathion USEPA U.S. Environmental Protection Agency Office of Water 01A0006086 N Y benf461 10/04/2023
Analysis EPA160.3 Residue, Total, Gravimetric, Dried at 103-105 Deg-C USEPA U.S. EPA, Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020) N Y benf461 10/04/2023
Analysis EPA1625 Semivolatile Organic Compounds (BNA) by Isotope Dilution GC/MS USEPA U.S. EPA Engineering and Analysis Division, USEPA Headquarters, Washington, DC N Y benf461 10/04/2023
Analysis EPA160.5 Residue, Settleable Matter, Volumetric, Imhoff Cone USEPA U.S. Environmental Protection Agency Office of Water 600/4-79-020 N Y benf461 10/04/2023
Analysis EPA1653 Chlorinated Phenolics in Wastewater by In Situ Acetylation and GCMS (Guaiacols, Catachols, Phenols) USEPA U.S. Environmental Protection Agency Office of Water EPA, 821/R-93-01, 1993 N Y benf461 10/04/2023
Analysis EPA200.7 Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) 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 benf461 10/04/2023
Analysis or Measurement EPA180.1 Turbidity, Nephelometric USEPA EPA, 1993. Methods for the Determination of Inorganic Substances in Environmental Samples (EPA/600/R-93/100), Revision 2.0, August 1993 N Y mbac461 09/04/2024
Analysis EPA200.8 Metals and Trace Elements in Waters by ICP-MS 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 benf461 10/04/2023
Preparation EPA200.2 Total Recoverable Metals Digestion USEPA U.S. Environmental Protection Agency Office of Water 600/R-94-111 N Y benf461 10/04/2023
Preparation EPA200.8CR Clean Room Preparation for EPA 200.8 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 benf461 10/04/2023
Analysis EPA206.2 Arsenic by Graphite Furnace Atomic Absorption (GFAA) 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 EPA204.2 Antimony by Graphite Furnace Atomic Absorption (GFAA) 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 EPA210.2 Beryllium by Graphite Furnace Atomic Absorption (GFAA) 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 EPA213.2 Cadmium by Graphite Furnace Atomic Absorption (GFAA) 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 EPA215.2 Calcium, Titrimetric, EDTA 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 EPA218.5 Chromium, Hexavalent, Dissolved 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 EPA219.2 Cobalt by Graphite Furnace Atomic Absorption (GFAA) 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 benf461 10/04/2023
Analysis EPA220.2 Copper by Graphite Furnace Atomic Absorption (GFAA) 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 EPA239.2 Lead by Graphite Furnace Atomic Absorption (GFAA) 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 EPA245.5 Mercury in Sediments by Manual Cold Vapor Atomic Absorption (CVAA) USEPA U.S. Environmental Protection Agency Office of Water 600/4-91-010 N Y benf461 10/04/2023
Analysis EPA245.1 Mercury by Manual Cold Vapor Atomic Absorption (CVAA), Revision 3.0 USEPA U.S.EPA, 1994. Methods for the Determination of Metals in Environmental Samples, Supplement 1 (EPA/600/R-94/111), Revision 3.0. National Exposure Research Laboratory (NERL), Cincinnati, Ohio N Y benf461 10/04/2023
Analysis EPA249.2 Nickel by Graphite Furnace Atomic Absorption (GFAA) 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 EPA245.7 Mercury by Cold Vapor Atomic Flourescence (CVAF) USEPA U.S. Environmental Protection Agency Office of Water EPA 821/R-01-008, CD N Y benf461 10/04/2023
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