Valid Values - Methods

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Category Code Description Source Reference Active Alias
Analysis EPA531.1 Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection High Performance Liquid Chromatography (HPLC) with Post Column Derivitization U.S. EPA Office of Ground Water and Drinking Water and National Exposure Research Laboratory (NERL), Cincinnati, OH, Methods for the Determination of Organic Compounds in Drinking Water - Supplement III (EPA/600/R-95-131) Y
Measurement Barometer-aneroid Barometric pressure using aneroid barometer Y BARO
Preparation GRINDER Tissue ground by grinder, food processor, or blender Y
Collection SEDTRAP Suspended sediment / suspended particulate matter (SPM) trap, type undifferentiated Y
Collection PUMP-BLADDER Pump, bladder Y PUMP-BLDR
Measurement EPA150.1-Field pH, Electrometric, field Y EPA150.1M
COLLECTION COMP-LAKE Water sample, transect/horizontal composite samples collected by pumping lake water through a tube Washington Department of Ecology Environmental Assessment Program Y
MEASUREMENT SECCHI-L 20 cm diameter black and white limnological style Secchi disk depth of visibility Y SECCHIM
Measurement COND-METER Specific Conductivity, field meter Y CONDMETER
Collection PUMP-SUBMERSIBLE Pump, submersible electric Y PUMP-SUB
Collection BAILER-PVC Bailer, PVC Y BAIL-PVC
Collection SED-INTEGRATING Suspended sediment / suspended particulate matter (SPM) by depth or point integrating sampler Y SED-INTGR
Analysis SWRI-ORD-GC/ECD Ordnance Compounds by Gas Chromatograph with Electron Capture Detection (GC/ECD) Southwest Research Institute, 1992. San Antonio, TX, proprietary method. Y
Analysis SWRI-ORD-HPLC Picric and Picramic Acid Ordnance Compounds by High-Performance Liquid Chromatography (HPLC) Southwest Research Institute, 1992. San Antonio, TX, proprietary method Y
Collection SED-CENTRIFUGE Suspended sediment / suspended particulate matter (SPM) by centrifuge, continuous flow composite Y CENTRIF
Measurement TEMPTHERM Temperature by thermistor Generic, technology-based method. Use in place of instrument-specific methods. If you wish, put instrument-specific info in comment field. Y
Measurement PH-METER pH by field meter/electrode Y PHMETER
Collection PUMP-HYDROSTAR Pump, HydroStar piston or similar Y PUMP-HYDRO
Measurement EH-METER Eh (Oxidation-Reduction Potential (ORP) or REDOX potential) by field meter/electrode Y EHMETER
Analysis ID-COUNT Identification and Count of Individuals Generic method - use a more specific method if you have one. Y COUNT
Collection BAILER-TEFLON Bailer, Teflon Y BAIL-TEF
Derivation CALCNH3UN Is calcualted from NH4, pH and Temperature. Y
Measurement RatingCurve Streamflow reported using stage-discharge rating curve Y RATING
Collection FISH-POISON Fish collection, poison Y
ANALYSIS UNKNOWN Unknown method - only for historic data or results where the method can't be determined. Y
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
Derivation CALC_FLOW Streamflow by calculation. Y
Collection BAILER-STAINLESS Bailer, stainless steel Y BAIL-SS
ANALYSIS AirToxics71 Air Toxics Method 71, Siloxanes Air Toxics Ltd., 180 Blue Ravine Road, Folsom, CA. 1-800-985-5955 Y
MEASUREMENT SECCHI-O 30 cm diameter all-white oceanographic style Secchi disk depth of visibility Y SECCHIO
COLLECTION GRAB-YOUNG.70 Grab sampler, Young, 0.70 m2 Y
Collection PUMP-PERISTALTIC Pump, peristaltic Y PUMP-PERIS
COLLECTION DIVER Collection/measurement by diver Y
Analysis EPA377.1 Sulfite (Titrimetric) EPA, 1974. Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020). Editorial revision, 1978. Y
PREPARATION SIEVE-0.5MM Sieved with 0.5 millimeter screen Y
Preparation FILTER.70um-GFF Water sample filtered with 0.70 micron (micrometer) glass fiber filter (GFF) Y FILTER.70M-GFF
Bioassay ASTM/EPA/ECY-COMBO1 Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Fresh Water Invertebrates AND Hyalella azteca 10-d Survival and Growth Test for Sediments, 2nd Ed AND Freshwater Microtox 100 Percent Porewater Sediment Toxicity Assessment (SAPA Appendix C), Rev 2003 Combination method. See original methods - ASTM-E1706-00, EPA-BIO100.1-2, and ECY-SAPA-C03 Y
Analysis CAS-MET-TISP-FD-TS Freeze-drying tissue for total solids determination, Columbia Analytical Services Standard Operating Procedure for Tissue Sample Preparation, SOP No. MET-TISP, Columbia Analytical Services, 2007 Y
Analysis SM5210C-DavisCorn98 Ultimate Biochemical Oxygen Demand (BOD) Test, using equation and specific rate constants from Davis and Cornwell, 1998. Standard Methods for the Examination of Water and Wastewater, APHA-AWWA-WPCF and Davis, M.L. and D.A. Cornwell. 1998. Introduction to Environmental Engineering 3rd Edition. WCB McGraw-Hill. Boston, MA Y
MEASUREMENT FLOW-VENTURIM Flow by modified Venturi tube Y
Analysis Dickson2007SOP3b-TA Determination of total alkalinity (TA) in seawater based on Dickson method, 2003, Marine Chemistry 80(2-3), 185-197; standardized by Dickson, 2007, Guide to best practices for ocean CO2 measurements, SOP 3b. Dickson, A. G., Sabine, C. L., and Christian, J. R. (2007). Guide to best practices for ocean CO2 measurements, SOP 3b. North Pacific Marine Science Organization. Y
Analysis AOAC-2007.01 Pesticide Residues in Foods by Acetonitrile Extraction and Partitioning with Magnesium Sulfate by Gas Chromatography/Mass Spectrometry (GC/MS) and Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS), First Action 2007. AOAC International, 481 North Frederick Avenue, Suite 500, Gaithersburg, Maryland 20877-2417 USA, 1-800-379-2622,, 2007. Y AOAC2007.01
Measurement PSS78-SalinityCalc Seawater salinity calculated from conductivity, temperature and pressure sensor measurements, based on the Practical Salinity Scale 1978 (PSS-78) and adopted by UNESCO in 1981 as the standard method for calculating salinity from conductivity measurements. Y
Collection LYSIMETER Lysimeter Y
Collection Electrofish-backpack Fish collection, electro-shock via backpack-mounted unit Y
Analysis Teasdale1999 In situ, High-Resolution Measurement of Dissolved Sulfide Using Diffusive Gradients in Thin Films with Computer-Imaging Densitometry Teasdale P.R., Hayward S., Davison W., 1999, In situ, High-Resolution Measurement of Dissolved Sulfide Using Diffusive Gradients in Thin Films with Computer-Imaging Densitometry. Anal Chem. 71(11):2186-91 Y
ANALYSIS CLP-OLM04.3 Organics Analysis (Volatiles, Semivolatiles, Pesticides/PCB Aroclors), Multi-Media, Multi-Concentration by CG/MS and GC/EC, EPA Contact Lab Program (CLP), OLM04.3 U.S. EPA, 2003. Contract Laboratory Program, Multi-Media, Multi-Concentration Organics Analysis, Office of Superfund Remediation and Technology Innovations, Analytical Operations/Data Quality Center, August 2003. Y CLPOLM04.3
Analysis TFW-AM9-99-006-Grav Particle/Grain Size Fines by Dry Sieve Gravimetric Method, TFW, 1999. Schuett-Hames, D., R. Conrad, A Pleus, and M. McHenry. 1999. TFW Monitoring Program method manual for the salmonid spawning gravel composition survey. Prepared for WADNR under the Timber, Fish, and Wildlife Agreement. TFW-AM9-99-006. Y
Bioassay EPA-BIO100.1-2 Hyalella azteca 10-d Survival and Growth Test for Sediments, 2nd Ed EPA, 2000. Methods for measuring the toxicity and bioaccumulation of sediment-associated contaminants with freshwater invertebrates, Second Edition, March 2000, EPA/600/R-99/064 Y
PREPARATION SW3510A Separatory Funnel Liquid-Liquid Extraction, Revision 1 EPA Office of Solid Waste SW-846, Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. Revision 1, July 1992. Y
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