SWAMP Data Checker Lookup Lists
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Tuesday, May 28, 2024

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List: MethodLookUp

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MethodNameMethodDescr
ABI 3730 Capillary SequencingABI 3730 Capillary Sequencing
Acute Chironomus dilutus TestFour-day acute toxicity test utilizing Chironomus dilutus
AOAC Method 996.06AOAC Offical Method 996.06 section AOAC 41.1.28A Fat (Total, Saturated, and Unsatruated) in Foods Hydrolytic Extraction Gas Chromatographic Method First Action 1996 Revised 2001 section AOAC 41.1.28A
APDC/DDDCDissolved Trace Elements organic extraction of Seawater samples (Bruland et al., 1985; Flegal et al. 1991)
Aqualog SOP_V1.3USGS SOP for Dissolved Organic Carbon
ASCI_software_v2.xAlgae Stream Condition Index (ASCI) calculation software version 2.x for bioassessment stream health index based on benthic algae data
ASTM D2216Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass
ASTM D3977Standard Test Methods for Determining Sediment Concentration in Water Samples
ASTM D3977MModification of Standard Test Methods for Determining Sediment Concentration in Water Samples
ASTM D422Standard Test Method for Particle-Size Analysis of Soils, Grain Size
ASTM D4464MModification of Standard Test Method for Particle Size Distribution of Catalytic Material by Laser Light Scattering, Grain Size
ASTM E1706-20MModification of Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Freshwater Invertebrates
AXYS MLA-035 Rev 07Analysis of Multi-Residue Pesticides by HRGC/HRMS, Rev. 7
AXYS MLA-043 Rev 08Analysis of Perfluorinated Organic Compounds in Tissue by LC-MS/MS
AXYS MLA-046 Rev 04Analysis of Pyrethroids, Pyrethrins and Piperonyl Butoxide in Aqueous, Solid and XAD-2 Column Samples by Method MLA-046, Rev 4
AXYS MLA-114 Rev 02Analysis of Multiclass Pesticide Residues and Related Metabolites In Aqueous and Solid Samples by UPLC-MS/MS, Rev 2
Bae and Wuertz AEM 2009Discrimination of Viable and Dead Fecal Bacteriodales Bacteria by Quantitative PCR with Propidium Monoazide, Sungwoo Bae and Stefan Wuertz 2009
BR SOP 0061BR SOP 0061 for the determination of Selenium speciation in water by HPLC-ICPMS
By CalculationTKN by calculation DELTA lab
CalculatedCalculated value, when method of analysis is not provided and measured values are used to calculate concentration of a secondard parameter
Campana, S.E., 2001Marginal Increment Analysis: Accuracy, precision and quality control in age determination, including a review of the use and abuse of age validation methods. J. Fish Biol. 59:197-242
Capper, et al., 2005Capper, A., Tibbetts, I.R., O’Neil, J.M., Shaw, G.R., 2005., "The fate of Lyngbya majuscula toxins in three potential consumers" J. Chem. Ecol. 31 (7), 1595–1606
CHN_440CEC 440 elemental analyzer determining C, H, and N weight percents using Dumas Method
Choat 1996Preparation and reading otoliths for age analysis
CLS 8081ACLS Modified EPA Method 8081A for tissue
Cooley, et al., 2007Cooley, et al., Incidence and Tracking of Escherichia coli O157:H7 in a Major Produce Production Region in California, 2007
CRD-C 403Determination of Sulfate Ion in soil and water
CSCI_software_v1.xCalifornia Stream Condition Index (CSCI) calculation software version 1.x for bioassessment stream health index based on benthic macroinvertebrate data
DFG SOP 103Determination of Mercury by FIMS in sed and tissue
ELISAEnzyme-linked immunosorbent assay. Sullivan and Goh 2000
ELISA Abraxis 520011EPA 546 and Abraxis for Microcystins/Nodularins (ADDA) (EPA ETV) ELISA Assay
ELISA Abraxis 520011ESELISA, Abraxis method No. 520011ES. Microcystins/Nodularins (ADDA) ES (Enhanced Sensitivity), ELISA Kit, Microtiter Plate
ELISA Abraxis 520011SAESMicrocystins/Nodularins (ADDA) SAES (Streptavidin Amplified Enhanced Sensitivity),ELISA Kit.sensitivity (0.016 ppb),for measuring microcystins in marine/brackish water
ELISA Abraxis 520060ELISA, Abraxis method No. 520060 Analysis of Anatoxin-A by ELISA
ELISA Abraxis 52011ESELISA Abraxis 52011ES
ELISA Abraxis 522011ELISA, Abraxis method No. 522011. Cylindrospermopsin, ELISA Kit, Microtiter Plate
ELISA Abraxis 522015ELISA Abraxis method No. 522015, Microcystins and Nodularins (ADDA) direct monoclonal ELISA microtiter plate
ELISA Abraxis 522015DMMicrocystins/Nodularins (ADDA)-DM (direct monoclonal), ELISA Kit sensitivity 0.165 ppb, for measuring microcystins in brackish water or seawater
ELISA Abraxis 52255BELISA, Abraxis method No. 52255B. Saxitoxins, ELISA Kit, Microtiter Plate
ELISA Cayman 501890ELISA Estradiol (E2), Caymen Item No. 501890
ELISA Cayman 582751ELISA 11-ketotestosterone (11-KT), Cayman Item No. 582751
ELISA SOP 3.3ELISA Diazinon and Chlorpyrifos analysis
EMA SOP RE512.01 Rev. 11/6/13 Water ModificationEnvironmental Micro Analysis SOP RE512.01 Rev. 11/6/13 LC/MS/MS Extended Screen Multiresidue Analysis – Modification for Water
EMON-SM 11.3Determination of N- methylcarbamate Pesticides in Surface Water using High Performance Liquid Chromatography and Post-column Derivatization
EMON-SM-05-020Determination of Chlorothalonil in Ground and Surface Water
EMON-SM-05-022Determination of Pyrethroids in Sediment Water Using Triple Quadrupole GC/MS/MS
EMON-SM-05-023Determination of Bensulide and Imidacloprid in Surface Water
EMON-SM-05-024Determination of Azoxystrobin, Kresoxim methyl, Pyraclostrobin and Trifloxystrobin in Surface Water by Ultra Performance Liquid Chromatography Coupled to Tandem Mass Spectrometry
EMON-SM-46.0-MSDDetermination of Organophosphate Pesticides in Surface water using Gas Chromatography
EnterolertKit to detect enterococci in water using a nutrient indicator which fluoresces when metabolized; ASTM D6503-99
EPA 110.2Color (Colorimetric-Platinum-Cobalt) by Spectrophotometer
EPA 120.1Specific Conductance using conductivity meter
EPA 130.1Hardness, Total (mg/l as CaC03), Colorimetric, Automated EDTA
EPA 130.2Hardness, Total (mg/L as CaCO3) (Titrimetric, EDTA)
EPA 160.1Total Dissolved Solids (Gravimetric dried at 180 degrees C)
EPA 160.2Total Suspended Solids (Gravimetric dried at 103-105 degrees C)
EPA 160.2MModification of Total Suspended Solids (Gravimetric dried at 103-105 degrees C)
EPA 160.3Percent Moisture by Total Residue (Gravimetric, Dried 103-105 degrees C)
EPA 160.4Residue, Volatile (Gravimetric, Ignition at 550 degrees C)
EPA 1600Enterococci in Water by Membrane Filtration Using membrane-Enterococcus Indoxyl-B-D-Glucoside Agar (mEL)
EPA 1614AMModified Brominated diphenyl ethers in water, soil, sediment, and tissues by HRGC/HRMS (May 2010)
EPA 1623Cryptosporidium and giardia by filtration/IMS/FA microscopy
EPA 1623MModification of Cryptosporidium and giardia by filtration/IMS/FA microscopy
EPA 1630Methyl Mercury in Water by Distillation, Aqueous Ethylation, Purge and Trap, and CVAFS
EPA 1630MModification of Methyl Mercury in Water by Distillation, Aqueous Ethylation, Purge and Trap, and CVAFS
EPA 1631BMercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision B
EPA 1631EMercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision E
EPA 1631EMModification of Mercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision E
EPA 1632AMModification of Chemical Speciation of Arsenic in Water and Tissue by Hydride Generation Quatrz Furnace Atomic Absorption Spectrometry
EPA 1633 Draft 3Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, 3rd Draft Method 1633
EPA 1638Determination of Trace Elements in Ambient Waters by ICPMS
EPA 1638MModification of Determination of Trace Elements in Ambient Waters by ICPMS
EPA 1640Determination of Trace Elements in Ambient Waters by On-Line Chelation Preconcentration and ICPMS
EPA 1660MModification of method for Pyrethroids and Pyrethrins
EPA 1664AN-Hexane Extractable Material (Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (Non-polar Material) by Extraction and Gravimetry
EPA 1668AMModification of Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS, Revision A
EPA 1668CMModification of Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS
EPA 1682Salmonella in Sewage Sludge (Biosolids) by Modified Semisolid Rappaport-Vassiliadis (MSRV) Medium July 2006
EPA 1682MModification of Salmonella in Sewage Sludge (Biosolids) by Modified Semisolid Rappaport-Vassiliadis (MSRV) Medium July 2006
EPA 1694MModification of Pharmaceuticals and Personal Care Products in Water, Soil, Sediment, and Biosolids by HPLC/MS/MS
EPA 1699MModification of Pesticides in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS
EPA 180.1Hach 2100A Turbidity
EPA 200.7Determination of metals and trace elements in water, solids and biosolids by ICP-AES
EPA 200.8Determination of metals and trace elements in waters and wastes by ICP-MS
EPA 200.8MModification of Determination of Trace Elements in Waters and Wastes by ICPMS
EPA 200.9Trace Elements by Stabilized Temperature Graphite Furnace AA Spectrometry
EPA 218.6EPA-Determination Of Dissolved Hexavalent Chromium In Drinking Water, Groundwater And Industrial Wastewater Effluents By Ion Chromatography
EPA 245.1Determination of Mercury in Water by Cold Vapor Atomic Absorption Spectrometery
EPA 245.5Mercury in Sediments and Tissue by Manual Cold Vapor Atomic Absorption (CVAA)
EPA 245.7Mercury in Water by Cold Vapor Atomic Fluorescence Spectrometry
EPA 300.0Inorganic Anions by Ion Chromatography
EPA 300.0MModification to Perchlorate by Ion Chromatography
EPA 300.1Rev 1.0 Determination of Inorganic Anions in Drinking Water by Ion Chromatography
EPA 3015AMModification of Microwave Assisted Acid Digestion of Aqueous Samples and Extracts
EPA 310.1Alkalinity by Titration
EPA 310.1MModification of Alkalinity by Titration
EPA 310.2Alkalinity (Colorimetric, Automated, Methyl Orange)
EPA 314.0Determination of Perchlorate in Drinking Water by Ion Chromatography
EPA 335.2Cyanides, Amenable to Chlorination (Titrametric; Spectrophotometric)
EPA 340.2Fluoride - Ion-Selective Electrode Method
EPA 350.1Determination of Ammonia-Nitrogen by Semi-Automated Colorimetry
EPA 350.1MModification of method for NH4-N
EPA 350.2Ammonia (Colormetric, Titrimetric, Potentiometric, Distillation procedure)
EPA 350.3Ammonia by Ion Selective Electrode
EPA 351.2Total Kjeldahl Nitrogen (TKN) by Semi-Automated Block Digestion and Colorimetry
EPA 351.2MModification of method for TKN
EPA 351.3Total Kjeldahl Nitrogen; Colorimetric; Titrimetric; Potentiometric
EPA 351.4Total Kjeldahl Nitrogen; Potentiometric, Ion Selective Electrode
EPA 353.1Nitrate-Nitrite by Colorimetric, Automated Hydrazine Reduction
EPA 353.1MModification of method for NO3-N
EPA 353.2Nitrate+Nitrite as Nitrogen (Colorimetric, Automated, Cadmium Reduction)
EPA 353.3Nitrate/Nitrite as Nitrogen (Spectrophotometric, Cadmium Reduction)
EPA 354.1Nitrite as N by Spectrophotometry
EPA 3545_3640A_3620BMultiple extraction methods for sediment organics
EPA 360.2Dissolved Oxygen (Winkler)
EPA 365.1Lachat's Method: Method for Phosphorous (Colorimetric, Automated, Ascorbic Acid)
EPA 365.1MModification of Lachat's Method: Method for Phosphorous (Colorimetric, Automated, Ascorbic Acid)
EPA 365.2Phosphorus All Forms (Colormetric, Acsorbic Acid, Single Reagant)
EPA 365.3Orthophosphate, Total Phosphate, all forms of phosphorus (Colormetric, Ascorbic Acid, Two Reagent)
EPA 365.3MModification of Orthophosphate, Total Phosphate, all forms of phosphorus (Colormetric, Ascorbic Acid, Two Reagent)
EPA 365.4Total Phosphorus (Colorimetric, Automated, Block Digester AA II)
EPA 405.1Biochemical Oxygen Demand (BOD) (5 days, 20 degrees C)
EPA 410.4Chemical Oxygen Demand (Colorimetric, Automated; Manual)
EPA 415.1Total Organic Carbon/Dissolved Organic Carbon (combustion or oxidation) in water
EPA 415.1MModification of Total Organic Carbon/Dissolved Organic Carbon (combustion or oxidation) in water
EPA 415.3Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water.
EPA 420.1Phenolics (Spectrophotometric, Manual 4-AAP with Distillation)
EPA 425.1Determination of surfactants, man-made surface active agents
EPA 440Elemental C and N by Combustion and Thermal Conductivity
EPA 445.0Chlorophyll by Fluorescence
EPA 445.0MModification of Chlorophyll a by Fluorescence
EPA 446.0In Vitro Determination of Chlorophylls a, b, c1 + c2 and Pheopigments in Marine And Freshwater Algae by Visible Spectrophotometry
EPA 5030CPurge-and-Trap for Aqueous Samples
EPA 504MModification of 1,2-Dibromoethane (EDB) and 1,2- Dibromo-3-Chloropropane (DBCP) in Water by Microextraction and Gas Chromatography
EPA 507Determination of Nitrogen - and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
EPA 515.4Determination of Chlorinated Acids in Drinking Water by Liquid-liquid Microextraction Derivatization and Fast Gas Chromatography With Electron Capture Detection REV1.0
EPA 524.2Purgeable organic compounds in water by capillary column GC/MS
EPA 525.2Determination of organic compounds in drinking water by liquid-solid extraction and capillary column gas chromatography/mass spectrometry
EPA 525.3Determination of Semivolatile Organic Compounds In Drinking Water By Solid-Phase Extraction And Capillary Column Gas Chromatography/Mass Spectrometry (GC/MS)
EPA 525.3_SIM Determination of Semivolatile Organic Chemicals in Drinking Water by Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry (GC/MS) and selected ion monitoring (SIM)
EPA 527MModification of Determination of Selected Pesticides and Flame Retardants in Drinking Water by Solid Phase Extraction and Capillary Column Gas Chromatography/ Mass Spectrometry (GC/MS)
EPA 531.1Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in water by direct aqueous injection HPLC with post column dericatization
EPA 532Determination of phenylurea compounds in drinking water by solid phase extraction and high performance liquid chromatography with UV detection
EPA 537DETERMINATION OF SELECTED PERFLUORINATED ALKYL ACIDS IN DRINKING WATER BY SOLID PHASE EXTRACTION AND LIQUID CHROMATOGRAPHY/TANDEM MASS SPECTROMETRY (LC/MS/MS)
EPA 537MModification of Determination of Selected Perfluorinated Alkyl Acids in Drinking Water by Solid Phase Extraction And Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
EPA 538 Determination of Selected Organic Contaminants in Drinking Water by Direct Aqueous Injection-Liquid Chromatography/Tandem Mass Spectrometry (DAI-LC/MS/MS)
EPA 539Determination of Hormones in Drinking Water by Solid Phase Extraction (SPE) and Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS)
EPA 544Determination of Microcystins and Nodularin In Drinking Water By Solid Phase Extraction And Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS). Version 1.0, 2015
EPA 545Determination of Cylindrospermopsin and Anatoxin-a in Drinking Water by Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC/ESI-MS/MS). Version 1.0, 2015
EPA 547Determination of Glyphosphate in drinking water by direct-aqueous injection, HPLC post column derivitization & fluorescence detection
EPA 547MModification of Determination of Glyphosphate in drinking water by direct-aqueous injection, HPLC post column derivitization & fluorescence detection
EPA 549.2Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and HPLC With Ultraviolet Detection
EPA 549.2MModification of Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and HPLC With Ultraviolet Detection
EPA 551.1Polycyclic Aromatic Hydrocarbons in Drinking Water by Liquid-Solid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection.
EPA 600/4-90-027FEPA 600/4-90-027F, EPA 1993: Acute Toxicity Test:Hyalella Azteca, Ceriodaphnia, Pimephales, Mysids, old reference
EPA 600/4-90-027FMModification of EPA 600/4-90-027F, EPA 1993: Acute Toxicity Test:Hyalella Azteca, Ceriodaphnia, Pimephales, Mysids, old reference
EPA 600/4-91-002EPA 600/4-91-002, EPA 1994: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, old reference
EPA 600/4-91-002MModification of EPA 600/4-91-002, EPA 1994: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, old reference
EPA 600/R-01-067Short Term Test Method for Assessing the Reproductive Toxicity of Endrocrine-Disrupting Chemicals Using the Fathead Minnow (Pimephales Promelas)
EPA 600/R-94-025EPA 600/R-94/025, EPA 2000:Estuarine and Marine Amphipod Toxicity Test:Eohaustorius estuarius sediment 10 day
EPA 600/R-94-134Determination of Asbestos Structures Over 10um in Length in Drinking Water; same as Method 100.2
EPA 600/R-95-136EPA 600/R-95-136, EPA 1995: Marine Chronic Test: Atherinops, Mytilus, Strongylocentrotus (development & fertilization), Holmesimysis
EPA 600/R-95-136MModification of EPA 600/R-95-136, EPA 1995: Marine Chronic Test: Atherinops, Mytilus, Strongylocentrotus (development & fertilization), Holmesimysis
EPA 600/R-99-064EPA 600/R-99-064, EPA 2000: Methods for Measuring the Toxicity and Bioaccumulation of Sediment-associated Contaminants with Freshwater Invertebrates­Second Edition – Hyalella sediment 10 day and 28 day and freshwater amphipods, cerio and hyalella
EPA 600/R-99-064MMod of EPA 600/R-99-064, EPA 2000: Methods for Measuring the Toxicity and Bioaccumulation of Sediment-associated Contaminants with Freshwater Invertebrates­Second Edition – Hyalella sediment 10 day and 28 day and freshwater amphipods, cerio and hyalella
EPA 6010AMetals by ICP
EPA 6010BMetals by ICP - Inductively coupled plasma - atomic emission spectrometry
EPA 6020Metals by ICP-MS
EPA 6020BMModification of Metals by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
EPA 604MPhenols liquid-liquid extraction, modified by using liquid chromatography mass spectrometry instead of gas chromatography flame ionization detector
EPA 608Extraction of Organochlorine Pesticides and Polychlorinated Biphenyls from Wastewater
EPA 608MModification of Organochlorine Pesticides and Polychlorinated Biphenyls
EPA 610Polynuclear Aromatic Hydrocarbons in Municipal and Industrial Wastewater
EPA 614Determination of Organophosphorus Pesticides in Municipal and Industrial Wastewater
EPA 615The Determination of Chlorinated Herbicides in Municipal and Industrial Wastewater
EPA 619Determination of Triazine Pesticides in Industrial and Municipal Wastewater
EPA 619MModification of Determination of Triazine Pesticides in Industrial and Municipal Wastewater
EPA 624VOAs and Semi-VOAs by Gas Chromatograph/Mass Spectrometer (GC/MS)
EPA 625Base/Neutrals and Acids
EPA 625.1 Base/Neutrals and Acids by GC/MS
EPA 625.1_NCIBase/Neutrals and Acids-NCI
EPA 625.1MModification of Base/Neutrals and Acids
EPA 625.1M_MRMModification of Base/Neutrals and Acids and Multiple Reaction Mode
EPA 625_MRMBase/Neutrals and Acids and Multiple Reaction Mode
EPA 625MModification of Base/Neutrals and Acids
EPA 625-NCIBase/Neutrals and Acids-NCI
EPA 630Determination of Dithiocarbamate Pesticids in Municipal and Industrial Wastewater
EPA 632Determination of Carbamate and Urea Pesticides in Industrial and Municipal Wastewater using liquid chromatography mass spectrometry
EPA 632MModification of Determination of Carbamate and Urea Pesticides in Industrial and Municipal Wastewater using liquid chromatography mass spectrometry
EPA 633MModification of Determination of Organonitrogen Pesticides in Municipal and Industrial Wastewater
EPA 6850Determination of Perchlorate Using High Performance Liquid Chromatography/Mass Spectrometry (LC/MS)
EPA 7196ADetermination of Hexavalent Chromium (Colormetric)
EPA 7470AMercury in liquid water (Manual cold-vapor technique)
EPA 7471AMercury in Solid or Semisolid Waste (Manual Cold-Vapor Technique)
EPA 7473Mercury in solids and solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotemetry
EPA 7473MModification of EPA 7473 Mercury in solids and solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotemetry
EPA 7742Selenium - Automic Absorption, Gaseous Hydride
EPA 7742MModification of Selenium - Automic Absorption, Gaseous Hydride
EPA 8081Extraction of Organochlorine Pesticides in Water
EPA 8081AOrganochlorine Pesticides by GC/ECD, Draft Update IVA
EPA 8081AMModification of Organochlorine Pesticides by GC/ECD, Draft Update IVA
EPA 8081BOrganochlorine Pesticides by GC/ECD, Draft Update IVB
EPA 8081BMModification of Organochlorine Pesticides by GC/ECD, Draft Update IVB
EPA 8082Polychlorinated Biphenyls (PCBs) by Gas Chromatography
EPA 8082MModification of Polychlorinated Biphenyls as Congeners or Arclors by GC/ECD or GC/ELCD
EPA 8140AOrganophosphorus Pesticides capillary method by GC/FPD or GC/NPD
EPA 8141AOrganophosphorus Pesticides capillary method by GC/FPD or GC/NPD
EPA 8141AMModification of Organophosphorus Pesticides capillary method by GC/FPD or GC/NPD
EPA 8141BOrganophosphorus Compounds by GC/FPD or GC/NPD
EPA 8151Chlorinated Herbicides by GC Using Methylation or Pentafluroobenzylation Derivatization:Capillary Column Technique, Revision 0
EPA 8151AChlorinated Herbicides by GC using Methylation or Pentafluorobenzylation Derivitization
EPA 821/R-02-012EPA 821/R-02-012, EPA 2002a: Acute Toxicity Test:Hyalella, Ceriodaphnia, Pimephales, Mysids, current reference
EPA 821/R-02-012MModification of EPA 821/R-02-012, EPA 2002a: Acute Toxicity Test:Hyalella, Ceriodaphnia, Pimephales, Mysids, current reference
EPA 821/R-02-013EPA 821/R-02-013, EPA 2002: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, current reference
EPA 821/R-02-013MModification of EPA 821/R-02-013, EPA 2002: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, current reference
EPA 821/R-02-014EPA-821-R-02-014, EPA 2002; Short-term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Water to Marine and Estuarine Organisms; (3 rd Edition)
EPA 8260Volatile Organic Compounds by GC/MS
EPA 8260BVolatile Organic Compounds by GC/MS, Update B
EPA 8260BMModification of Volatile Organic Compounds by GC/MS, Update B
EPA 8270 SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring
EPA 8270BSemivolatile Organic Compounds by GC/MS
EPA 8270CSemivolatile Organic Compounds by GC/MS
EPA 8270C SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring
EPA 8270CMModification of Semivolatile Organic Compounds by GC/MS
EPA 8270DSemi-Volatile Organic Compounds by GC/MS Triple Quad
EPA 8270D SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring
EPA 8270D_MRMSemivolativle Organic Compounds by GC/MS and Multiple Reaction Mode
EPA 8270D_NCISemivolatile Organic Compounds by GC/MS with negative chemical ionization Final Update VB
EPA 8270ESemivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry
EPA 8270M_NCIModification of Semivolatile Organic Compounds by GC/MS with negative chemical ionization
EPA 8310MModification of Polynuclear Aromatic Hydrocarbon determination by HPLC
EPA 8321ASolvent-Extractable Nonvolatile Compounds by High-Performance Liquid Chromatography/Thermospray/Mass Spectrometry (HPLC/TS/MS) or Ultraviolet (UV) Detection
EPA 8321AMModification of SOLVENT-EXTRACTABLE NONVOLATILE COMPOUNDS BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY/THERMOSPRAY/MASS SPECTROMETRY (HPLC/TS/MS) OR ULTRAVIOLET (UV) DETECTION
EPA 8323MModification of Determination of Organotins by Micor-Liquid Chromatography-Electrospray Ion Trap MS, sediment and tissue
EPA 9060Total Organic Carbon in sediments
EPA 9060ATotal Organic Carbon in sediments, Update A
EPA 9060AMModification of Total Organic Carbon in sediments, Update A
EPA 9060MModified Total Organic Carbon in sediments
ESS 150.1Chlorophyll, spectophotometric method
EuroFins_LCMS-SOP2443_v7EuroFins LCMS-SOP2443 (v7) for the Determination of Personal Care Products, Pharmaceutical (PPCP) and Endocrine Disrupters Compounds (EDC), Herbicide/Degradates in Environmental Matrices by Online SPE Coupled w/ HPLC/MS in Tandem
EuroFins_PBDE_Pyrethroid_SOP_Rev_4EuroFins PBDE Pyrethroid SOP-Polybrominated Diphenyl Ethers (PBDEs), Pyrethroids, Pesticides, and Personal Care Product Compounds Analyses in Drinking Water, Revision 4
FDA 99D-4488 and 448999D-4488 Reducing microbial food safety hazards for sprouted seeds and 99D-4489 Sampling & microbial testing of spent irrigation water
FieldMeasureNumeric measurements made in the field with a piece of equipment
FieldObservationsCategorical descriptions made in the field by observation
FR 8507Nitrite Federal Register, 44(85) 25505
Freeze DryFreeze Dry
GCMSGas Chromatography/Mass Spectrometry
Hach Method 10071Hach Method 10071 Total Nitrogen Test and Tube Persulfate Digestion Method
Hach Method 10205Hach Method 10205 Spectrophotometric Measurement of Ammonia-Nitrogen and Total Kjeldahl Nitrogen (TKN) in Water and Wastewater
Hach Method 10206Spectrophotometric Measurement of Nitrate in Water and Wastewater
Hach Method 10208_LRHach Method 10208 Total Nitrogen Persulfate Digestion Method, TNTplus 826
Hach Method 10209/10210_LRHach Method 10209/10210 Reactive (Orthophosphate) and Total Phosphorus Ascorbic Acid Method, TNTplus 843
Hach Method 8038Hach Method 8038 Ammonia as Nitrogen
Hach Method 8048Hach Method 8048 Orthophosphate (SRP)
Hach Method 8507Hach Method 8507 Nitrite as Nitrogen
HookHook and Line
ICRICR method for cryptosporidium and giardia by filtration, flotation, and immunofluorescence microscopy
Illumina MiSeq 2x150Illumina MiSeq 2x150 DNA sequencing
Illumina MiSeq 2x250Illumina MiSeq 2x250 DNA sequencing
Illumina MiSeq 2x300Illumina MiSeq 2x300 DNA sequencing
JACR97_3247-3272"Chemical Reviews_used by DFG-WPCL 1997, 97,3247-3272 Institute of Applied physical chemistry, Research center GmbH, Germany"
Lachat 31-107-04-1-CLachat 31-107-04-1-C Nitrate as Nitrogen
Lane et al. 2010Application of SPATT for field detection of the hydrophilic phycotoxins domoic acid and saxitoxin
LaserLaser used to measure and count Grain Size particles - Needs method name
MBARI TRNo90-2MBARI Procedures for Automated Nutrient Analyses Using a Modified Alpkem Series 300 Rapid Flow Analyzer, Tech. Rpt. 90-2, rev. 10/90
MCA 1.0Penoxsulam by HPLC
Mehinto et al. 2015Interlaboratory comparison of in vitro bioassays for screening of endocrine active chemicals in recycled water
Mekebri, et al., 2009Mekebri, et al., Method Validation of Microcystins in Water and Tissue by Enhanced Liquid Chromatography Tandem Mass Spectrometry, 2009
METH011.00Dissolved Organic Carbon, BOG/USGS
MPSL-108v2Total Suspended Solids and Suspended Sediment Concentration Dried at 103-105C, and Volatile Solids Ignited at 550C (ASTM D-3977, SM 2540D and E), Revision 2
MPSL-108v3Total Suspended Solids and Suspended Sediment Concentration Dried at 103-105C, and Volatile Solids Ignited at 550C (ASTM D-3977, SM 2540D and E), Revision 3
MPSL-114Determination of Ash Free Dry Mass in Periphyton
MPSL-115Benthic Chlorophyll a in Marine and Fresh Water by Fluorescence
MPSL-120Determination of Trace Metals in Tissues by ICP-MS
Mulvenna and Savidge, 1992Mulvenna, P. F. and Savidge, G., A Modified Manual Method For the Determination of Urea in Seawater using Diacetylmonoxime Reagent, Estuarine, Coastal and Shelf Science (1992) 34,429-438
NCL ME 321Solid Phase Extraction of Assorted Pesticides in Water by HPLC/MS/MS
NCL ME 326Aquatic Herbicides in Water by LC-MS-MS
NCL ME 337Benzobicyclon and Metabolite B in Water
NCL ME 340Assorted Pesticides in Water by LC/MS/MS
NCL ME 342Neonicotinoids and other Pesticides in Water by LC/MS/MS
Neutral Buoyant ObjectNeutral Buoyant Object method used for measuring stream discharge
Newman, et al., 1988J.W. Newman, et al., "Quantitation of Aroclors Using Congener-Specific Results," Env. Tox. and Chem., Vol.17, #11, pgs 2159-2167, 1988
NOAALipids1993Determination of Percent Lipid in Tissue (NOAA Sampling and Analytical Methods of the National Status and Trends Program, Mussel Watch Project: 1993-1996 Update)
NOAALipids1993MDetermination of Percent Lipid in Tissue (NOAA Sampling and Analytical Methods of the National Status and Trends Program, Mussel Watch Project: 1993-1996 Update) - M, using chloroform and methanol mix solvent
NoneNo Method
Not RecordedNot recorded
Not Recorded_10dayMethod not recorded for 10 day BOD analysis
Not Recorded_5dayMethod not recorded for 5 day BOD analysis
ObservedFieldMeasureNumeric Measurements made in the field by observation
PFAS by DoD QSM Version 5.3PFAS by LCMSMS (QSM 5.3 Table B-15 Compliant)
PHAB_software_v0.xIndex of Physical-habitat Integrity (IPI) calculation software version 0.x for bioassessment stream health index based on physical habitat data
PHYSISLIPIDSPhysis SOP percent Lipids in Tissue
Plumb, 1981, AVSPlumb method for acid volatile sulfides (AVS) described in Plumb 1981
Plumb, 1981, GSPlumb method for grainsize described in Plumb 1981
QC 10107041BNitrate/Nitrite: Lachat QuikChem Flow Injection Analyzer Method
QC 10107044BTotal Nitrogen: Lachat QuikChem Flow Injection Analyzer Method by persulfate digestion
QC 10107061GNitrogen (Ammonia): Lachat QuikChem Flow Injection Analyzer Method
QC 10107062ETotal Kjeldahl Nitrogen by Lachat QuikChem Flow Injection Analyzer Method
QC 10114271ADissolved Silica: Lachat QuikChem Flow Injection Analyzer Method
QC 10115011DTotal Phosphate as P: Lachat QuikChem Flow Injection Analyzer Method by Kjeldahl digestion
QC 10115011MModification of Orthophosphate Lachat QuikChem Flow Injection Analyzer Method
QC 10115012BTotal Phosphate as P: Lachat QuikChem Flow Injection Analyzer Method by persulfate digestion
QC 10301311BHardness Lachat QuikChem Flow Injection Analysis Colorimetry
QC 10303311AAlkalinity Lachat QuikChem Flow Injection Analyzer Method
QC 10308001A Color by Lachet QuikChem Flow Injection Analysis
QuantiPlate EP 022 AEnvirologix QuantiPlate Kit for Microcystins EP 022
Sartory and Grobbelaar, 1984ethanol extraction and fluoromtery - Sartory D.P. & Grobbelaar J.U. (1984), Extraction of chlorophyll-a from fresh-water phytoplankton for spectrophotometric analyses. Hydrobiologia, 114, 177–187
SCCWRP SOP SVOC 2019SCCWRP SOP FOR SEMIVOLATILE ORGANIC COMPOUNDS 2019
SFL SOP 6850Draft method of Determination of Perchlorate Using High Performance Liquid Chromatography/Mass Spectrometry (LC/MS)
SFSU-RTC BLAA MNo G-175-96AutoAnalyzer Method No. G-175-96 Phosphate in Water and Seawater. Bran Luebbe, Inc. Buffalo Grove, IL. SFSU-RCT procedures for Bran Luebbe AutoAnalyzer Applications. 1999.
SFSU-RTC BLAA MNo G-177-96AutoAnalyzer Method No. G-177-96 Silicate in Water and Seawater. Bran Luebbe, Inc. Buffalo Grove, IL. SFSU-RCT procedures for Bran Luebbe AutoAnalyzer Applications. 1999.
SGS AXYS MLA-110 Rev 02Analytical Procedure for the Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Samples, Solids, Tissues, AFFF Products and Solvent Extracts by LC-MS/MS, Rev 02
Sharp, et al., 1995Sharp, J. H., R. Benner, L. Bennett, C. A. Carlson, S. E. Fitzwater, E. T. Peltzer, and L. M. Tupas. 1995. Analysis of dissolved organic carbon in seawater: the JGOFS EqPac methods comparison. Marine Chemistry 48:91-108.
Sharp, et al., 2004J.H. Sharp, et al., "A direct instrument comparison for measurement of total dissolved nitrogen in seawater", Marine Chemistry, Vol. 84, pgs 181-193, 2004
SM 10200 H-2bSpectrophotometric determination of Chlorophyll a in the presence of Pheophytin a
SM 10300 CDPeriphyton; Sample Analysis and Primary Productivity
SM 2120 BColor by visual comparison
SM 2120 BMModification of Color by automated colorimetric method equivalent to the visual comparison method, SM 2120B
SM 2130 BTurbidity analysis by Nephelometric method
SM 2150 BThreshold Odor Test
SM 2320 BAlkalinity by titration
SM 2340 BHardness by calculation
SM 2340 CHardness by EDTA titrimetric method
SM 2510Conductivity Examination in Water and Wastewater
SM 2510 BSpecific Conductance using electrode
SM 2540 BTotal Solids dried at 103-105 degrees C
SM 2540 BMTotal Solids dried at 103-105 degrees C Modified lower drying temp per tissue
SM 2540 CTDS dried at 180 degrees C
SM 2540 DTotal Suspended Solids dried at 103-105 degrees C
SM 2540 EFixed and Volatile Solids Ignited at 550 degrees C
SM 2540 E-97Fixed and Volatile Solids Ignited at 550 degrees C reported as Ash Free Dry Mass mg/L
SM 2540 FSettleable Solids
SM 2540 GTotal, Fixed, and Volatile Solids in Solid & Semisolid Samples v.21
SM 2560 D v20,21Particle size analysis using Laser Multi-angle Light Scattering, SM Edition 20 and 21
SM 3111 BMetals by Flame Atomic Absorption Spectrometry, Rev. B
SM 3112 BMetals in Water by CV-AAS
SM 3113 BMetals by Electrothermal Atomic Absorption Spectrometry, Rev. B
SM 3113 B v21Determination of metals by electrothermal atomic absorption spectrometry v.21
SM 3114 BArsenic and Selenium by Manual Hydride Generation/Atomic Absorption Spectrometric Method
SM 3120 BMetals by plasma emission, ICP method
SM 3500Al-EMModification of Aluminum: Eriochrome Cyanine R Method
SM 3500-Cr BHexavalent chromium determination by colorimetrical reaction with in an acid solution
SM 3500-Fe DMIron, Colormetric method from 18th edition of Standard Methods
SM 3500-Se CExamination of Water and Wastewater, Colorimetric Method
SM 4500 DIndustry determined Sulfide
SM 4500-B BBoron: Curcumin Method
SM 4500-CN E v21Cyanide by Colorimetric Method, SM Edition 21
SM 4500-F CFluoride - Ion-Selective Electrode Method
SM 4500-H+ BpH: Electrometric Method
SM 4500-H+ BMModification of pH: Electrometric Method
SM 4500-N BIn-Line UV/Persulfate Digestion and Oxidation with Flow Injection Analysis for Nitrogen compounds
SM 4500-N C v22Nitrogen: Persulfate Method 4th edition version 22
SM 4500-N C/NH3 ENitrogen Persulfate Method, Nitrogen (Ammonia) Ammonia-Selective Electrode Method Using Known Addition
SM 4500-N CM v21Modification of Nitrogen: Persulfate Method, Method Ed 21
SM 4500-N org CNitrogen (organic) by SemiMicro Kjeldahl Method: Determination of Kjeldahl N (organic & ammonia nitrogen) on samples with high conc of org nitrogen
SM 4500-N org D v22Nitrogen (organic) by Block Digestion and Flow Injection Analysis, SM Edition 22
SM 4500-NH3 BH v18Nitrogen as Ammonia: Preliminary Distillation and Flow injection analysis SM Edition 18
SM 4500-NH3 CNitrogen as Ammonia: Titrimetric Method
SM 4500-NH3 C v18Ammonia by Colorimetric Method, Nesserlization (TKN too)
SM 4500-NH3 C V20Determination of low concentrations of ammonia by titration, SM Edition 20
SM 4500-NH3 D v20,21Nitrogen (Ammonia): Ammonia-Selective Electrode Method, SM Edition 20 and 21
SM 4500-NH3 DMModification of Nitrogen (Ammonia) Phenate Method
SM 4500-NH3 FNitrogen (Ammonia): Ammonia-Selective Electrode Method
SM 4500-NH3 GAmmonia as Nitrogen: Automated Phenate Method, SM
SM 4500-NH3 G v19,20Ammonia as Nitrogen: Automated Phenate Method, SM Edition 19 and 20
SM 4500-NH3 HAmmonia as Nitrogen: Automated Phenate Method
SM 4500-NH3 H v21Nitrogen (Ammonia): Flow Injection Analysis Method Ed 21
SM 4500-NO2 BNitrite as Nitrogen: Colorimetric Method
SM 4500-NO2 B v20Nitrite as Nitrogen: Colorimetric Method SM Edition 20
SM 4500-NO2 BMModification of Nitrogen (Nitrite) Colormetric Method
SM 4500-NO3 D v20Nitrogen (Nitrate): Electrode Method, Method Ed 20
SM 4500-NO3 ENitrogen in Water and Wastewater by Cadmium Reduction Method
SM 4500-NO3 FNitrogen (Nitrate) Automated Cadmium Reduction Method
SM 4500-NO3 FMModification of Nitrogen (Nitrate) Automated Cadmium Reduction Method
SM 4500-NO3 I v21Nitrogen (Nitrate): Cadmium Reduction Flow Injection Method, Method Ed 21
SM 4500-P BEStandard Methods for the Examination of Water & Wastewater, 4500-P Phosphorus, Section B “Sample Preparation, Section E Ascorbic Acid Method (2011)
SM 4500-P DPhosphorous: Stannous Chloride Method from SM Edition 20
SM 4500-P EPhosphorus: Ascorbic Acid Method
SM 4500-P EMModification of method for PO4-P: Ascorbic Acid Method
SM 4500-P FTotal Phosphorous and Orthophosphate by automated ascorbic acid reduction
SM 4500-P HPhosphorus: Manual Digestion and Flow Injection Analysis for Total Phosphorus
SM 4500-S2 DSulfide by Methylene Blue
SM 4500-S2 FSulfide by Iodometric method
SM 4500-Si DSilica (Dissolved):Molybdosilicate method
SM 4500-SiO2 E/F v21Silica: Automated Method for Molybdate-Reactive Silica and Flow Injection Analysis for Molybdate-Reactive Silicate Method Ed 21
SM 5210 BBiochemical Oxygen Demand
SM 5210 B_10dayBiochemical Oxygen Demand - 10 day
SM 5220 DChemical Oxygen Demand, Closed Reflux, Colorimetric Method
SM 5310 BTotal Organic Carbon High-Temperature Combustion Method
SM 5310 CTotal Organic Carbon: Persulfate-Ultraviolet Oxidation Method Doc# IO-SP-0039-00
SM 5540Anionic Surfactants as Methyl Blue Active Substances (MBAS)
SM 5540 CAnionic Surfactants as Methyl Blue Active Substances
SM 908 AStandard Total Coliform Multiple Tube Test
SM 908 CApplication of Tests and Routine Examinations for Total Coliform
SM 9221Multiple tube fermentation technique for coliform group (includes 9221ABC for total coliform)
SM 9221 BThe Standard Total Coliform Fermentation Technique
SM 9221 DPresence-Absence (P-A) Coliform Test
SM 9221 EFecal Coliform Procedure
SM 9221 FStandard Total Coliform Fermentation Technique with E. Coli Procedure
SM 9222 BStandard Total Coliform Membrane Filter Procedure
SM 9222 DFecal Coliform Membrane Filter Procedure
SM 9222 DMModification of Fecal Coliform Membrane Filter Procedure
SM 9222 EDelayed-Incubation Fecal Coliform Procedure
SM 9222 GMembrane Filter Partition Procedures for E. coli - 21st Edition
SM 9222 GMModification of Membrane Filter Partition Procedures for E. coli - 21st Edition
SM 9223Enzyme Substrate Coliform Test
SM 9223 BEnzyme Substrate Test using mutilple-tube, multi-well or presence-absence format (Colilert-18)
SM 9223 B-SOP ASWAUEnzyme Substrate Test using multi-well modification by CRWQCB Region 5 Ag and Surface Water Assessment Unit
SM 9223 B-SOP1103Enzyme Substrate Test using mutilple-tube, multi-well or presence-absence format (Colilert-18), modification by EPA Region 9
SM 9230 BMultiple Tube Technique for fecal streptococcus and enterococcus groups
SM 9230 D v21onlineFluorogenic Substrate Enterococcus Test SM version 21 online
Solorzano, 1969L. Solorzano, "Determination of Ammonia in Natural Waters By The Phenolhypochlorite Method", Limnology and Oceanography, Vol. 14, pgs 799-801, 1969
Timed FillingTimed Filling method used for measuring stream discharge
ToxWQMeasurementMeasurement taken for toxicity WQ
TrashAssessmentRWQCB2 Protocol for Trash Assessment
UCD-GC_dilutusGranite Canyon Lab chronic toxicity test utilizing Chironomus dilutus with survival and ash-free dry weight endpoints.
UCD-GC_purpuratusGranite Canyon Lab modification of chronic Strongylocentrotus purpuratus test using sediment
UCSC SOP UCSCCM-002UCSC SOP UCSCCM-002 Standard Operating Procedure For Collection of Cyanobacteria and Cyanotoxins Samples
UCSC SOP UCSCLM-011UCSC SOP UCSCLM-011 Standard Operating Procedure For The Determination of Total Organic Carbon With Shimadzu TOC Analyzer
UC-SNARL QAPP App2-3Riffle-based periphyton and organic matter sampling SOPs for benthic macroinvertebrate bioassessment in the Eastern Sierra Nevada; QAPP - Aquatic Invertebrate Bioassessment Monitoring in the Eastern Sierra Nevada, Appendix 2-3
USGS B-0050-85Fecal coliform bacteria (membrane-filter method) Immediate incubation test; USGS TWRI 5-A4/1989, p.37
USGS B-0055-85Fecal streptococcal bacteria (membrane-filter method) Immediate incubation test; USGS TWRI 5-A4/1989, p.47
USGS I-1472-87Metals, atomic emission spectrometry, inductively coupled plasma (ICP); USGS OFR 93-125 p.101
USGS I-1750-89Solids, residue on evaporation at 180 degrees C, dissolved, gravimetric; USGS TWRI 5-A1/1989, p.437
USGS I-2020-05Determination of Elements in Natural-Water, Biota, Sediment, and Soil Samples using Collision/Reaction Cell Inductively-Coupled Plasma-Mass Spectrometry; USGS TM5-B1
USGS I-2030-89Alkalinity, electrometric titration, automated; USGS TWRI 5-A1/1989, p.57
USGS I-2057-90Anions, Ion-exchange chromatographic, automated; USGS OFR 93-125, p.19
USGS I-2327-85Fluoride, Electrometric, Ion-Selective Electrode, Automated, Segmented-Flow; USGS TWRI 5-A1/1989, p. 221
USGS I-2522-90Nitrogen, ammonia, colorimetry, salicylate-hypochlorite, automated-segmented flow; USGS OFR 93-125 p.125
USGS I-2540-90Nitrogen, nitrite, colorimetry, diazotization, automated-segmented flow; USGS OFR 93-125, p.143
USGS I-2545-90Nitrogen, nitrite plus nitrate, colorimetry, cadmium reduction-diazotization, automated-segmented flow; USGS OFR 93-125, p.157
USGS I-2587-89pH, electrometric, glass-electrode; USGS TWRI 5-A1/1989, p.363
USGS I-2601-90Phosphorus, orthophosphate, colorimetry, phosphomolybdate, automated-segmented flow; USGS OFR 93-125, p.197
USGS I-2700-85Silica, colorimetric, molybdate blue, automated-segmented flow; USGS TWRI 5-A1/1989, p.417
USGS I-2781-85Specific conductance, electrometric, Wheatstone bridge; USGS TWRI 5-A1/1989, p.461
USGS I-3765-85Solids, residue at 105 degrees C, suspended, gravimetric; USGS TWRI 5-A1/1989, p.443
USGS I-3860-85Turbidity, nephelomelric; USGS TWRI 5-A1/1989, p.497
USGS I-4020-05Determination of Elements in Natural-Water, Biota, Sediment, and Soil Samples using Collision/Reaction Cell Inductively-Coupled Plasma-Mass Spectrometry; USGS TM5-B1
USGS I-6600-85Phosphorus, colormetric, phosphomolybdate, automated-segmented flow; USGS TWRI 5-A1/1989, p.367
USGS O-3100-83Carbon, organic, total, wet oxidation; USGS TWRI 5-A3/1987, p.15
USGS OFR 00-170Determination of Ammonium Plus Organic Nitrogen by a Kjeldahl Digestion Method and an Automated Photometric Finish that Includes Digest Cleanup by Gas Diffusion; USGS I-2515-91 and USGS I-4515-91
USGS OFR 01-273Determination of Four Selected Mosquito Insecticides and a Synergist in Water Using Liquid-Liquid Extraction and Gas Chromatography/Mass Spectrometry
USGS OFR 92-146Determination of Total Phosphorus by a Kjeldahl Digestion Method and an Automated Colormetric Finish that Includes Dialysis
USGS OFR 95-181Determination of Pesticides in Water by C-18 Solid-Phase Extraction and Capillary-Column Gas Chromatography/Mass Spectrometry with Selected-Ion Monitoring; USGS O-1126-95
USGS OFR 96-525 A011Arsenic, antimony, and selenium by flow injection or continuous flow-hydride generation-atomic absorption spectrophotometry; p.24
USGS OFR 96-525 A091 Mercury in water, geologic, and plant materials by continuous flow–cold vapor–atomic absorption spectrometry, p.42
USGS OFR 96-525 E011Forty elements by inductively coupled plasma-atomic emission spectrometry; p.77
USGS OFR 97-829Determination of 86 Volatile Organic Compounds in Water by Gas Chromatography/Mass Spectrometry, Including Detections Less Than Reporting Limits; USGS O-4127-96
USGS OFR 98-165Determination of Elements in Whole-Water Digests Using Inductively Coupled Plasma-Optical Emission Spectrometry and Inductively Coupled Plasma-Mass Spectrometry; USGS I-4471-97 and USGS I-4472-97
USGS OFR 99-093Determination of Dissolved Arsenic, Boron, Lithium, Selenium, Strontium, Thallium, and Vanadium Using Inductively Coupled Plasma–Mass Spectrometry; USGS I-2477-92
USGS OFR 99-166The determination of forty two elements in geological materials by inductively coupled plasma-mass spectrometry; supplement to USGS OFR 96-525
USGS P-0590-85Percent moisture, total inbottom-material, gravimetric; USGS TWRI 5-A1/1989, p.48
USGS WRIR 01-4132Determination of Organic Plus Inorganic Mercury in Filtered and Unfiltered Natural Water with Cold Vapor-Atomic Fluorescence Spectrometry; USGS I-2464-01 and USGS I-4464-01
USGS WRIR 01-4134Determination of Pesticides in Water by Graphitized Carbon-Based Solid-Phase Extraction and High-Performance Liquid Chromatography/Mass Spectrometry; USGS O-2060-01
USGS WRIR 03-4174Evaluation of Alkaline Persulfate Digestion as an Alternative to Kjeldahl Digestion for Determination of Total and Dissolved Nitrogen and Phosphorus in Water; USGS I-4650-03
USGS-LC0113Filtration procedure for DOC
Valderrama, J.C., 1981Valderrama, J.C., "The simultaneous analysis of total nitrogen and total phosphorus in natural waters." Mar. Chem., 10:109-122, 1981
Velocity AreaVelocity Area method used for measuring stream discharge
Verdouw, 1977Ammonia (NH4-N) Determination Based on Indophenol Formation with Sodium Salicylate (Verdouw, H. 1977)
Walkley-BlackTotal organic carbon analysis of sediment using oxidation and titration.
Whitledge, et al., 1981T.E. Whitledge, et al., "Automated Nutrient Analyses in Seawater", Technical Report (BNL-51398), Brookhaven National Lab., Upton, NY (USA), 1981
Wood, et al., 2010Wood, S.A., Holland, P.T., MacKenzie, L., 2010., "Development of solid phase adsorption toxin tracking (SPATT) for monitoring anatoxin-a and homoanatoxin-a in river water" Chemosphere, 82: 888-894
WPCL SOP 46WPCL SOP 46 for the Determination of Carbamate, Phenylurea, Methamidophos, Piperonyl Butoxide in Water by LC/MS/MS
WPCL SOP 67WPCL SOP 67 for the Determination of Pyrethroids in Sediment by GC/MS/MS (EI)
WPCL SOP 71WPCL SOP 71 for the Determination of Pyrethrins by LC/MS/MS
WPCL SOP 71 NCIWPCL SOP 71 NCI for the Determination of Pyrethrins by GC/MS/MS
WPCL SOP 72WPCL SOP 72 for the Determination of Select Herbicides and Insecticides in Sediment by Gas Chromatography/Mass Spectrometry-Ion Trap Detector
WPCL SOP LC-007WPCL SOP LC-007 for the Determination of Fungicides by LC/MS/MS
WPCL SOP LC-010WPCL SOP LC-010 for the Determination of Pesticides by LC/MS/MS
WPCL SOP LC-065Determination of Microcystins in Water and Tissues by Enhanced LC-MSMS
WRS 10A.1Standard Operating Procedure for the Determination of pH (Closed System) WRS 10A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. October 2002
WRS 11A.2Standard Operating Procedure for the Determination of Specific Conductivity WRS 11A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 2004
WRS 12A.1Standard Operating Procedure for the Determination of Acid Neutralizing Capacity (Alkalinity) WRS 12A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. October 2002, Gruen.R, Motter.K
WRS 13A.2Standard Operating Procedure for the Determination of Turbidity WRS 13A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002
WRS 14B.1Standard Operating Procedure for the Determination of Total Suspended Solids (Non-Filterable Residue) WRS 14B.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002, Gruen.R
WRS 15A.1Standard Operating Procedure for the Determination of True Color WRS 15A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002, Gruen.R
WRS 20A.1Standard Operating Procedure for the Analysis of Dissolved Inorganic Carbon WRS 20A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002, Gruen.R
WRS 21A.1Standard Operating Procedure for the Analysis of Dissolved Organic Carbon WRS 21A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002, Gruen.R
WRS 30A.1Standard Operating Procedure for the Determination of Ammonia in Fresh Waters WRS 30A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 2003, Gruen.R, Motter.K
WRS 32A.1Standard Operating Procedure for the Determination of Silicate in Fresh Waters WRS 32A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 2003, Gruen.R, Motter.K
WRS 34A.2Standard Operating Procedure for the Digestion and Analysis of Fresh Water Samples for Total Nitrogen and Total Phosphorus WRS 34A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 2004, Echols.S
WRS 40A.2Standard Operating Procedure for the Determination of Chloride, Nitrate and Sulfate by Ion Chromatography WRS 40A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 2004, Baxter.K
WRS 50A.2Standard Operating Procedure for the Determination of Cations in Natural Waters and Metals in Fish Tissue Digests by Flame Atomic Absorption Spectroscopy WRS 50A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon March 2004, Baxter.K
WRS 51A.2Standard Operating Procedure for the Determination of Metals in Surface Waters and Fish Tissue Digests by Graphite Furnace Atomic Absorption Spectroscopy WRS 51A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon March 2004, Baxter.K
WRS 71A.1Standard Operating Procedure for the Determination of Chlorophyll a WRS 71A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. October 2002, Baxter.K
WRS 73A.1Standard Operating Procedure for the Determination of Ash-Free Dry Mass WRS 73A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. October 2002, Baxter.K
WRS 73A.3Standard Operation Procedure for Determination of Ash Free Dry Mass WRS 73A.3. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. April 2007, Baxter.K, Bower.B
WRS 73A.3MModification of Standard Operation Procedure for Determination of Ash Free Dry Mass WRS 73A.3. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. April 2007, Baxter.K, Bower.B
Yu, 1994Determination of Dissolved Organic Nitrogen using Persulfate Oxidation and Conductimetric Quantification of Nitrate-Nitrogen (Yu, Z.S. 1994)