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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
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 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 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 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 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 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 SM4110B Ion Chromatography with Chemical Suppression of Eluent Conductivity. 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 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 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 SM5210C Ultimate Biochemical Oxygen Demand (BOD) Test Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF N Y CNEU461 10/20/2023
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
Analysis SM5310B Total Organic Carbon (TOC), High Temperature Combustion 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 10/02/2023
Analysis SM5520 Oil and Grease, Total Recoverable, Gravimetric, Soxlet Extraction, Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF N Y benf461 10/02/2023
Analysis SM9230B Fecal Strep and Enterococci by Multiple Tube Technique Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y benf461 10/02/2023
Analysis SM9230C Fecal Strep and Enterococci by Membrane Filtration Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y benf461 10/02/2023
Analysis SW6020 Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) for Metals and Trace Elements, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1994. N Y benf461 10/17/2023
Analysis SW7041 Antimony by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7091 Beryllium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7131 Cadmium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7191 Chromium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, Spetember 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7195 Chromium, Hexavalent, Coprecipitation, Revision 1 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, September 1986. N Y benf461 10/17/2023
Analysis SW7201 Cobalt by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7211 Copper by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, July 1992, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7421 Lead by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7470 Mercury in Liquid Waste by Manual Cold Vapor Atomic Absorption (CVAA), Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986. N Y benf461 10/17/2023
Analysis SW7471 Mercury in Solid/Semisolid Waste by Manual Cold Vapor Atomic Absorption (CVAA), Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986. N Y benf461 10/17/2023
Analysis SW7610 Potassium by Atomic Absorption, Direct Aspiration, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7740 Selenium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, Spetember 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7761 Silver by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, July 1992, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7770 Sodium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Delted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7841 Thallium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, Spetember 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW7911 Vanadium by Atomic Absorption, Furnace Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1986, (Deleted from SW-846, February 2007). N Y benf461 10/17/2023
Analysis SW8020 Aromatic Volatile Organics by Gas Chromatography (BETX) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. (Deleted from SW-846, 12/96). N Y EPA8020 benf461 10/16/2023
Analysis SW8080 Organochlorine Pesticides and Polychlorinated Biphenyls (PCBs) by Gas Chromatography (GC) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/17/2023
Analysis SW8100 Polynuclear Aromatic Hydrocarbons (PAHs) by Gas Chromatography/Flame Ionization Detection (GC/FID) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/17/2023
Analysis SW8140 Organophosphorus Compounds (Pesticides) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/17/2023
Analysis SW8141 Organophosphorus Compounds (Pesticides) by Gas Chromatography (GC): Capillary Column Technique, Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. Revision 0, July 1992. N Y benf461 10/17/2023
Analysis SW8150 Chlorinated Herbicides by Gas Chromatography EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. (Deleted from SW-846, 12/96). N Y benf461 10/17/2023
Analysis SW8260 Volatile Organic Compounds (VOCs) by Gas Chromatography/Mass Spectrometry (GC/MS), Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, July 1992 N Y EPA8260 benf461 10/17/2023
Analysis SW8290 Polychlorinated Dibenzodioxins (PCDDs) and Polychlorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography/High-Resolution Mass Spectrometry (HRGC/HRMS), Revision 0 EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, September 1994 N Y benf461 10/17/2023
Analysis SW8310 Polynuclear Aromatic Hydrocarbons (PAHs) by High Performance Liquid Chromatography (HPLC) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/17/2023
Analysis SW9020 Total Organic Halides (TOX) EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/18/2023
Analysis SW9045 Soil and Waste pH by electrometric procedure EPA SW846 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. N Y benf461 10/18/2023
Analysis EPA-TO-16 Long-Path Open-Path Fourier Transform Infrared Monitoring Of Atmospheric Gases (VOA, Air Toxics) USEPA Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition, (EPA/625/R-96/010b), December 1997. N Y benf461 10/03/2023
Analysis UFA UFA for Pore water extraction Ecology-MEL Y CNEU461 04/06/2017
Analysis VALDERRAMA Total Persulfate Nitrogen (TPN) and Total Phosphorus by Persulfate Digestion Ecology-MEL Valderrama, 1981. The Simultaneous Analysis of Total Nitrogen and Total Phosphorus in Natural Waters. Mar. Chem. (10), 109-122. Y CNEU461 04/20/2017
Analysis WTPH-418.1 Total Heavy Petroleum Hydrocarbons in Soil (Bunker-C, Lube Oils, possibly mixed w/WTPH-D) Ecology-MEL Washington Department of Ecology, 1991 (Revised 1995). Guidance for Remediation of Petroleum Contaminated Soils. Ecology Publication No. 91-30. Y CNEU461 04/20/2017
Analysis WTPH-D Total Petroleum Hydrocarbons as Diesel in Soil (Kerosene-Fuel Oil #2 or >Dodecane-Tetracosane) Ecology-MEL Washington Department of Ecology, 1991 (Revised 1995). Guidance for Remediation of Petroleum Contaminated Soils. Ecology Publication No. 91-30. Y CNEU461 04/20/2017
Analysis WTPH-DX Total Petroleum Hydrocarbons as Heavy Fuel in Soil Ecology-MEL Washington Department of Ecology, 1991 (Revised 1995). Guidance for Remediation of Petroleum Contaminated Soils. Ecology Publication No. 91-30. Y CNEU461 04/20/2017
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