Valid Values - Methods



     
  
  
   
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Category Code Description Source Reference Low level method Active Alias Modified By Modified Date
Analysis LIPIDS Lipids Ecology-MEL Y CNEU461 04/20/2017
Collection LITTORAL-ALL Visual survey of, or rake collection from entire littoral zone Ecology-EAP Parsons, J., 2011. Quality Assurance Project Plan: Aquatic Plant Monitoring in Washington Lakes and Rivers. Ecology publication 11-03-106, July 2011. Y CNEU461 03/05/2014
Collection LITTORAL-LIMITED Visual survey of, or rake collection from less than 50% of littoral zone Ecology-EAP Parsons, J., 2011. Quality Assurance Project Plan: Aquatic Plant Monitoring in Washington Lakes and Rivers. Ecology publication 11-03-106, July 2011. Y CNEU461 03/05/2014
Collection LITTORAL-MOST Visual survey of, or rake collection from 50% or more of littoral zone Ecology-EAP Parsons, J., 2011. Quality Assurance Project Plan: Aquatic Plant Monitoring in Washington Lakes and Rivers. Ecology publication 11-03-106, July 2011. Y CNEU461 03/05/2014
Collection LITTORAL-UNKNOWN Visual survey of, or rake collection from unknown area of littoral zone Ecology-EAP Parsons, J., 2011. Quality Assurance Project Plan: Aquatic Plant Monitoring in Washington Lakes and Rivers. Ecology publication 11-03-106, July 2011. Y CNEU461 03/05/2014
Analysis LOI-USDA-Wright2008 Loss-on-Ignition (LOI) Method to Assess Soil Organic Carbon in Calcareous Everglades Wetlands. Wright, A. L, Wang, Y., & Reddy, K. (2008). Loss-on-Ignition Method to Assess Soil Organic Carbon in Calcareous Everglades Wetlands. Communications in soil science and plant analysis, 39, 3074-3083. https://pubag.nal.usda.gov/catalog/1455731 Y CNEU461 03/10/2021
Analysis LORENZEN66 In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence Lorenzen, C.J., 1966. A method for the continuous measurement of vivo chlorophyll concentration. Deep-Sea Res. 13: 223-227. Y CNEU461 06/23/2016
Measurement LTGEM2000 Landtec GEM 2000 Portable Infrared Gas Analyzer/Field Meter CES-Landtec, Colton, CA 92324, http://www.ces-landtec.com Y CNEU461 06/22/2006
Measurement LTGEM500 Landtec GEM 500 Portable Infrared Gas Analyzer/Field Meter CES-Landtec, Colton, CA 92324, http://www.ces-landtec.com Y CNEU461 06/22/2006
Measurement LTGEM5000 Landtec GEM 5000 Portable Infrared Gas Analyzer/Field Meter CES-Landtec, Colton, CA 92324, http://www.ces-landtec.com Y CNEU461 03/14/2017
Collection LVPUFAir Low-volume polyurethane foam (PUF) air sampler. Y CNEU461 02/03/2021
Collection LYSIMETER Lysimeter Y KKIN461 11/09/2018
Collection MacrophyteBiomass1 Collection of aquatic plants for biomass determination by transect and sample quadrant. Ecology-EAP Parsons, J., 2001. Aquatic Plant Sampling Protocols. Washington State Department of Ecology, Publication No. 01-03-017, June 2001. Y CNEU461 02/25/2021
Analysis MASSDEP-APH-01 Method for the Determination of Air-Phase Petroleum Hydrocarbons (APH) by GC/MS, Rev 1 Massachusetts Department of Environmental Protection, Office of Research and Standards, December 2009, Revision 1. Y CNEU461 08/08/2014
Analysis Mekebri2009 Microcystins in water and tissue by enhanced liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) Mekebri, A., G.J. Blondina, and D.B. Crane. 2009. Method Validation of Microcystins in water and tissue by enhanced liquid chromatography tandem mass spectrometry. Journal of Chromatography, 1216:3147-3155. Y CNEU461 01/14/2013
Analysis MEL-SOP710001 Percent KES (Klebsiella, Enterobacter, Serratia) by Membrane Filter Technique Ecology-MEL Washington State Department of Ecology, 2002, Manchester Environmental Laboratory, Port Orchard, WA, 360-871-8800. Modified from J. Vasconcelos, The Detection and Significance of Klebsiella in Water,1972, EPA Region 10, EPA10-WM100590. Y EPA10-WM100590, SOP710001 CNEU461 04/06/2017
Analysis MEL730138 v1.0 Low-Level PBC Congeners by GC/MS/MS, Version 1.0 Ecology-MEL Washington Department of Ecology, Manchester Environmental Laboratory (MEL) , Port Orchard, WA, 360-871-8800, SOP MEL730138 v1.0, June 2023. Y Y mbac461 06/30/2023
Analysis MI-SOP-DNA qPCR-1.3 Quantitative Polymerase Chain Reaction (qPCR/CENSUS), Standard Operating Procedure, Revision 1.3 Microbial Insights, Inc., 2017. 10515 Research Drive, Knoxville, TN 37932, www.microbe.com, MI SOP-PLFA, Revision 1.3, 3/8/2017. Y MI-SOP-CENSUS-1.3 CNEU461 05/14/2018
Analysis MI-SOP-PLFA-2.1 Modified Bligh and Dyer Lipid Extraction (PLFA Extraction), Standard Operating Procedure, Revision 2.1 Microbial Insights, Inc., 2016. 10515 Research Drive, Knoxville, TN 37932, www.microbe.com, MI SOP-PLFA, Revision 2.1, 7/6/2016. Y CNEU461 05/14/2018
Analysis MICROSCOPE Visual Identification using a microscope Ecology-MEL Y CNEU461 04/20/2017
Measurement MIDSECTION Streamflow by USGS midsection method. Y CNEU461 12/08/2004
Collection MidwaterTrawl Fish collection by towing a cone-shaped net at a chosen depth in the water column. Also known as pelagic trawling. Y KKIN461 01/05/2016
Analysis Millero2010-AlkTotal Total alkalinity calculated with pH, DIC, salinity, and in situ temperature in CO2SYS program. Millero, F. J. (2010). Carbonate constants for estuarine waters. Marine and Freshwater Research, 61(2), 139-142. https://doi.org/10.1071/MF0925 Y mbac461 08/26/2024
Analysis ML-EASYGEL Detection of waterborne coliforms and E. coli with Coliscan Easygel Micrology Laboratories L.L.C., 1303 Eisenhower Dr., S. Goshen, IN, (888) EAS-YGEL , http://www.micrologylabs.com, 1999 Y CNEU461 08/28/2008
Collection MOCNESS1 Plankton net, MOCNESS 1 m2 (Multiple Opening/Closing Net & Environmental Sampling System) Y CNEU461 10/25/2005
Analysis Monsanto1993 Analytical Method for Glyphosate and AMPA in Soil and Sediment by HPLC-FLD (High Performance Liquid Chromatography-Fluorescence Detection). Oppenhuizen, M.E., 1993. Monsanto unpublished method. February 1993, Version 1.0 (AG-ED-0016, ED-014). Y CNEU461 06/28/2023
Measurement Mortimer56DOSAT Dissolved oxygen content of air-saturated fresh waters, calculated dissolved oxygen (DO) percent saturation. Mortimer, C.H. 1956. The oxygen content of air-saturated fresh waters, and aids in calculating percentage saturation. International Association of Theoretical and Applied Limnology, Communications, No.6. 20 pages. Y Mortimer56 mbac461 08/26/2024
Analysis Mortlock1989-Opal Simple method for the rapid determination of biogenic opal in pelagic marine sediments. Mortlock, R.A., and P.N. Froelich. Deep Sea Research, Part A. Oceanographic Research Papers, Volume 36, Issue 9, September 1989, Pages 1415-1426. Y CNEU461 07/16/2019
Analysis MSA10-3S Sulfate, Soluble Constituents in Soil, Waters and Aqueous Extracts (Ch. 10-3.7) using Methylthymol Colorimetric Procedure or Ion Chromatography. Rhoades, J.D., 1982. Soluble Salts (Ch. 10), p 167–179. In A. L. Page et al. (ed.), Methods of Soil Analysis, 1982, 2nd Edition, Part 2 - Chemical and Microbiological Properties, American Society of Agronomy (ASA), Madison, WI Y CNEU461 02/10/2009
Analysis MSA17-5 Free iron oxide in soil by sodium dithionite-citrate extraction and atomic absorption spectrometry (AAS) Soil Conservation Service, 1972. In A. L. Page et al. (ed.), Methods of Soil Analysis, 1982, 2nd Edition, Part 2 - Chemical and Microbiological Properties, American Society of Agronomy (ASA), Madison, WI Y MSA-17-5 CNEU461 02/10/2009
Analysis MSA28-3 Inorganic Sulfate in Soils Tabatabai, M.A., 1982. Sulfur/Inorganic Sulfate (Ch. 28-3), p. 518-522. In A. L. Page et al. (ed.), Methods of Soil Analysis, 1982, 2nd Edition, Part 2 - Chemical and Microbiological Properties, American Society of Agronomy (ASA), Madison, WI Y CNEU461 02/10/2009
Analysis MSA29-2 Total Carbon by XXX (Ch. 29.2) D.W. Nelson, L.E. Sommers, 1982. Total Carbon, Organic Carbon, & Organic Matter. In A. L. Page et al. (ed.). Methods of Soil Analysis, 2nd Ed., Part 2 - Chemical and Microbiological Properties, American Society of Agronomy (ASA), Madison, WI, Ch. 29 Y CNEU461 12/02/2022
Analysis MSA31-3 Nitrogen (Ammonia), Kjeldahl Digestion, Colorimetric Finish, Phenate Method, Methods Soil Anal, 1982 Stevenson, F.J., 1982. Nitrogen-Organic forms, p 625–641. In A. L. Page et al. (ed.), Methods of Soil Analysis, 1982, 2nd Edition, Part 2 - Chemical and Microbiological Properties, American Society of Agronomy (ASA), Madison, WI Y CNEU461 02/10/2009
Analysis MSCL-LIPID Percent Lipids in Tissue, Mississippi State Chemical Lab Mississippi State Chemical Laboratory, Mississippi State University, 1992 Y CNEU461 07/14/2006
Analysis MSCL-ORGCL Organochlorine Compounds in Tissue by Gas Chromatography (GC), Mississippi State Chemical Lab Mississippi State Chemical Laboratory, Mississippi State University, 1992 Y CNEU461 07/14/2006
Analysis MSL-C-012 Alpha Spectroscopy for radionuclides BATTELLE Y CNEU461 03/17/2003
Collection Multiprobe Collected using multi-parameter (multi-sensor) probe or sonde N Y KKIN461 10/17/2024
Analysis N-CALC-351.2-353.2 Total Nitrogen calculated by adding Total Kjeldahl Nitrogen by EPA351.2 (Semiautomated Colorimetry) and Nitrate-Nitrite by EPA353.2 (Colorimetric, Automated Cadmium Reduction). Y mbac461 08/26/2024
Analysis NBOD-CALC Nitrogenous Biochemical Oxygen Demand (NBOD) calculated from difference between Biochemical Oxygen Demand 5-Day (BOD5) and Carbonaceous Biochemical Oxygen Demand (CBOD). Y mbac461 08/26/2024
Analysis NCALC-351.2-4500NO3F Total Nitrogen calculated by adding Total Kjeldahl Nitrogen by EPA351.2 (Semiautomated Colorimetry) and Nitrate-Nitrite by SM4500NO3F (Nitrogen (as Nitrate, NO3) by Automated Cadmium Reduction Method) Y mbac461 08/26/2024
Analysis NCASI-487 An Evaluation of Certain Limitations of the Chromotropic Acid Method for Measurement of Formaldehyde in Wastewaters National Council for Air and Stream Improvement (NCASI). 1986. Technical Bulletin No. 0487: An Evaluation of Certain Limitations of the Chromotropic Acid Method for Measurement of Formaldehyde in Wastewaters, 4/86, Research Triangle Park, NC Y CNEU461 01/06/2015
Analysis NCASI-529 Parameter Estimation for 1st Order Ultimate BOD Decay, 35-60 Day Incubation National Council for Air and Stream Improvement, Inc. (NCASI), 1987. User's Manual for Parameter Estimation for First Order Ultimate Biological Oxygen Demand (BOD) Decay, BODFO. Technical Bulletin No. 529. Research Triangle Park, NC Y CNEU461 11/04/2005
Analysis NCASI-85.01 Resin Acids and Fatty Acids Ecology-MEL National Council for Air and Stream Improvement, Inc. (NCASI), 1986. Procedures for the Analysis of Resin and Fatty Acids in Pulp Mill Effluents. NCASI Technical Bulletin No. 501, Appendix D, Method RA/FA-85.01 Y NCASI85.01 CNEU461 01/06/2015
Analysis NCASI-86.01 Chlorinated Phenolics, Guaiacols, Catechols Ecology-MEL National Council for Air and Stream Improvement, Inc. (NCASI), 1986. NCASI Methods for the Analysis of Chlorinated Phenolics in Pulp Industry Wastewaters. Technical Bulletin No. 498, Appendix B, Method CP-86.01 Y NCASI86.01 CNEU461 01/06/2015
Analysis NCASI-98.01 Chilled Impinger Method for Use at Wood Products Mills to Measure Formaldehyde, Methanol, and Phenol, NCASI CI/WP-98.01 National Council for Air and Stream Improvement, Inc. (NCASI). 1998. Methods Manual (03.B.004). Research Triangle Park, NC Y NCASI98.01 CNEU461 01/06/2015
Analysis NIOSH7400 Asbestos and Other Fibers in Air by Phase Contrast Microscopy (PCM) NIOSH NIOSH Manual of Analytical Methods, 4th Edition, Issue 2, August 1994. Y CNEU461 06/18/2009
Analysis NIOSH7402 Asbestos in Air by Transmission Electron Microscopy (TEM) NIOSH NIOSH Manual of Analytical Methods, 4th Edition, Issue 2, August 1994. Y CNEU461 06/18/2009
Collection NISKIN Bottle, Niskin Y CNEU461 07/31/2012
Collection Niskin-HandClose Bottle, Niskin, hand-lowered by line to target (nominal) depth and hand-triggered to close via brass messenger. Y CNEU461 09/16/2020
Collection Niskin-ProgramClose Bottle, Niskin, programmed prior to deployment to auto-trigger closure at target (nominal) depth, based on pressure sensor measurement. Closure depth recorded by data logger and post-processed. Y CNEU461 09/16/2020
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1506 records