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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
Analysis SM5540C Anionic Surfactants as MBAS (methylene blue active substances) 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 SM4500P-J Persulfate Method for Simultaneous Determination of Total Nitrogen and Total Phosphorus Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. Y KKIN461 08/18/2015
Analysis SM4500P-F Phosphorus/Orthophosphate by Automated Ascorbic Acid Reduction Method Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y SM4500PF benf461 10/02/2023
Analysis SM9221E Fecal Coliform by Multiple Tube Fermentation using EC or A-1 Medium (undifferentiated) 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 SM5310C Total Organic Carbon (TOC), Persulfate-Ultraviolet or Heated-Persulfate Oxidation 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 SM4500N-C Nitrogen, Persulfate Method Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y SM4500NC benf461 10/03/2023
Analysis SM4500P-D Phosphorus/Orthophosphate by Stannous Chloride Method Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y SM4500PD benf461 10/02/2023
Analysis SM4500CL-B Chloride by Argentometric 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 SM4500CL-C Chloride by Mercuric Nitrate 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 SM4500SiO2-E Silica by Automated Method for Molybdate-Reactive Silica Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y SM4500SiOE benf461 10/03/2023
Analysis SM4500CO2D Carbon Dioxide and Forms of Alkalinity by Calculation 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 SM9221F1 E. coli by Multiple Tube Fermentation using EC-MUG Medium 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 SM4500SO3B Sulfite by Iodometric 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 10/03/2023
Analysis SM4500CN-M Cyanide, Thiocyanate 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 SM4500F-E Fluoride by Complexone Method Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998. N Y SM4500FE benf461 09/29/2023
Analysis SM9213D E. coli by Membrane Filtration on mTEC Agar - Recreational Waters/Natural Bathing Beaches 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 SM4500CO2B Nomographic Determination of Free Carbon Dioxide and the Three Forms of Alkalinity 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 SM3114B Arsenic and Selenium by Manual Hydride Generation/Atomic Absorption Spectrometric (HG-AFS) 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 SM4500SiO2-D Silica by Heteropoly Blue 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 10/03/2023
Analysis SM10200H3M Fluorometric determination of chlorophyll a in presence of pheophytin, modified method Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1992, 1995, 1998, and Washington Department of Ecology Manchester Environmental Laboratory. N Y benf461 09/28/2023
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 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 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 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 SM16-503D 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 SM16-908A 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 SM16-908C 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 SM16-1002G Spectrophotometric determination of chlorophyll a in the presence of pheophytin Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-210C Salinity, Argentometric Method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-209A Total Residue (Solids) Dried at 103-105 deg C Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. Y KKIN461 08/18/2015
Analysis SM16-417D Ammonia-Titrimetric Method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-910B Fecal Strep by Membrane Filtration Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/29/2023
Analysis SM16-214A Turbidity, Nephelometric Method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-417G Automated Phenate Method for the determination of ammonia nitrogen Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. Y KKIN461 08/18/2015
Analysis SM16-418F Nitrate-nitrite by automated cadmium reduction Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-424F Phosphorus as orthophosphate, Colorometric, Ascorbic Acid. Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-209C Total Suspended Solids (TSS) Dried at 103-105 deg C Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-407B Chloride by Mercuric Nitrate Titrimetry Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-418C Nitrate-nitrite by cadmium reduction. Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-314B Hardness, Total as CaCO3, EDTA Titrimetic Method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-417C Ammonia-Nitrogen by colorimetric phenate method. Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Preparation SM16-302F Nitric Acid-Perchloric Acid Digestion for Metals Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-413E Fluoride by Complexone Method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-424G Phosphorus as orthophosphate by automated ascorbic acid reduction. Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-205 Specific Conductivity, laboratory method Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM16-418B Nitrogen (as Nitrate, NO3) by Electrode Screening Standard Methods 16th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1985. N Y benf461 09/28/2023
Analysis SM15-209B Total Dissolved Solids (TDS) Dried at 180 Deg C Standard Methods 15th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1981. N Y benf461 09/28/2023
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