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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 SM5540D Nonionic Surfactants as cobalt thiocyanate active substances (CTAS) Standard Methods 18th, 19th, 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, http://standardmethods.org/, 2000 N Y benf461 10/02/2023
Analysis SM5550B Tannin and Lignin, Colorimetric 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 SM6251B Volatile Organic Compounds by Purge and Trap Capillary-Column Gas Chromatographic/Mass Spectrometric (GC/MS) Method. Standard Methods Standard Methods for the Examination of Water and Wastewater. Y CNEU461 05/06/2020
Analysis SM7500Rn-B Radon by Liquid Scintillation Method. Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF N Y CNEU461 05/16/2024
Analysis SM7500U-C Uranium in Water by Isotopic Method, Alpha Spectrometer/Counter Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF N Y benf461 10/02/2023
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 SM9215B Heterotrophic Plate Count - Pour Plate Method Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF Y CNEU461 06/22/2017
Analysis SM9221B Standard Total Coliform by Multiple Tube Fermentation using Lauryl Tryptose Broth 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 SM9221C Bacterial (Coliform) Density Estimation by Multiple Tube Fermentation, Most Probable Number (MPN) 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 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 SM9221E1 Fecal Coliform by Multiple Tube Fermentation using EC 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 SM9221E2 Fecal Coliform Direct Test by Multiple Tube Fermentation using A-1 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 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 SM9222B Standard Total Coliform 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 SM9222D Fecal Coliform by Membrane Filtration using mFC 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 SM9222G1 E. coli Partition by Membrane Filtration 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 SM9222J Simultaneous Detection of Total Coliforms and E. coli by Dual-Chromogen Membrane Filter Procedure Using m-ColiBlue24 Standard Methods 9222 Membrane Filter Technique For Members of The Coliform Group, Standard Methods For the Examination of Water and Wastewater, 23rd. https://doi.org/10.2105/SMWW.2882.193, January 2018. Y CNEU461 05/01/2023
Analysis SM9223B Enzyme Substrate Test for Coliform and E. coli (using IDEXX Colilert or Quanti-Tray Methods) Standard Methods 20th ed. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF, 1998. IDEXX Laboratories Inc, Westbrook, ME. N Y benf461 10/02/2023
Analysis SM9223BM Enzyme Substrate Test for Coliform and E. coli (using IDEXX Colilert or Quanti-Tray Methods), modified method Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF. IDEXX Laboratories Inc, Westbrook, ME. Y KKIN461 08/18/2015
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 SM9230D Fluorogenic Substrate Enterococcus Test Standard Methods Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF Y CNEU461 10/12/2016
Collection SoilGasSubSlabTip Soil Gas or Vapor Sub-Slab Sampling Probe Tip Y CNEU461 08/16/2018
Preparation SoilTest-DTPA-S4.40 Estimation of available soil phosphorus AB-DTPA Soltanpour and Schwab Method Western States Methods: https://www.naptprogram.org/files/napt/publications/method-papers/western-states-methods-manual-2013.pdf N Y benf461 05/29/2024
Preparation SoilTest-KCL-S3.10 KCl Extraction / Cd-Reduction Method Western States Methods Bremmer et al. https://www.naptprogram.org/files/napt/publications/method-papers/western-states-methods-manual-2013.pdf N Y benf461 05/29/2024
Preparation SoilTest-NH4Ac-S5.10 Extractable potassium, calcium, magnesium, and sodium ammonium acetate method. Western States Methods: https://www.naptprogram.org/files/napt/publications/method-papers/western-states-methods-manual-2013.pdf N Y benf461 05/29/2024
Preparation SoilTest-OLSEN-S4.10 Estimation of available soil phosphorus Sodium Bicarbonate Method. Western States Methods: Olsen et al. https://www.naptprogram.org/files/napt/publications/method-papers/western-states-methods-manual-2013.pdf N Y benf461 05/29/2024
Analysis Solarzan69 Ammonia-Nitrogen in water by phenol-hypochlorite method. Salarzano, L., 1969. The determination of ammonia in natural water by the phenol-hypochlorite method. Limnol. Oceanogr. 14(5):799-801. Y CNEU461 11/12/2003
Collection SonicSplitSpoon Sonic drill with spilt spoon sampler Y CNEU461 05/08/2023
Analysis or Measurement SOP710071 Salinity, Refractometric Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. N Y KKIN461 09/04/2024
Analysis SOP730005 Butyltin in Sediment using sodium tetraethyl borate extraction derivative with analysis by SW8270DSIM - Semivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry (GC/MS), Selective Ion Monitoring. Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. Y CNEU461 04/06/2017
Analysis SOP730009 Lipids Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. Y CNEU461 04/06/2017
Analysis SOP730080 Carbaryl & 1-Naphthol Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. Y CNEU461 04/06/2017
Analysis SOP730081 Air dried determination of percent solids, Manchester Environmental Lab SOP Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. Y CNEU461 04/06/2017
Analysis SOP730087 Butyltin in Tissue using sodium tetraethyl borate extraction derivative with analysis by SW8270DSIM - Semivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry (GC/MS), Selective Ion Monitoring. Ecology-MEL Washington State Department of Ecology, Manchester Environmental Laboratory, 7411 Beach Drive East, Port Orchard, WA 98366, 360-871-8800. Y CNEU461 04/06/2017
Collection SPME-LIQUID-EXSITU Solid-Phase Microextraction (SPME) fiber sampler for liquids, ex situ (in lab using field sample). Y CNEU461 07/16/2021
Collection SPME-LIQUID-INSITU Solid Phase Microextraction (SPME) fiber sampler for liquids, deployed in situ. Y CNEU461 04/22/2020
Measurement STAGE-ELEV Surface water/stream stage by measuring distance between known elevation and water surface. Y CNEU461 12/08/2004
Measurement STAGE-SG Surface water/stream stage by staff gage. Y CNEU461 12/08/2004
Measurement STAGE-TRAN Surface water/stream stage by pressure transducer. Y CNEU461 09/13/2005
Measurement STAGE-WWG Surface water/stream stage by wire weight gage. Y CNEU461 12/08/2004
Collection STM-FieldGroup14 Large Woody Debris - This method explains how to count pieces of large woody debris in waded streams for the Status and Trends Program when traversing the length of the stream site. Observations are limited to the main channel. This method applies to streams of Western Washington (west of the Cascade ridge), where natural conditions are expected to include larger sizes of wood. Y chmo461 05/25/2012
Collection SUMMACANISTER Summa Canister Y CNEU461 09/07/2011
Collection SURBER Macroinvertebrate collection, Surber sampler Y CNEU461 10/26/2005
Analysis SW1010A Test Methods for Flash Point by Pensky-Martens Closed Cup Tester, Revision 1 EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 1, Nov 2004. Y CNEU461 03/22/2017
Preparation SW1310B Extraction Procedure (EP) Toxicity Test Method and Structural Integrity Test, Revision 2. EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 2, Nov 2004. Y CNEU461 01/11/2013
Preparation SW1311 Toxicity Characteristic Leaching Procedure (TCLP), Revision 0 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, Revision 0, July 1992. Y CNEU461 12/04/2012
Preparation SW1312 Synthetic Precipitation Leaching Procedure (SPLP) U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, September 1994 Y CNEU461 11/15/2006
Preparation SW1340 In Vitro Bioaccessibility Assay for Lead in Soil, Revision 1. EPA SW846 U.S. EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods, SW1340, Revision 1, February 2017. N Y CNEU461 02/13/2025
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