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CEDEN LookUp List: MethodLookUp

MethodNameMethodDescrLastUpdateDate
7-Day growth and survival test7-Day growth and survival test2012-08-30
ABI 3730 Capillary SequencingABI 3730 Capillary Sequencing2019-08-30
Abraxis 520022Abraxis method No. 520022, Immunochromatographic Strip Test for the Detection of Microcystins and Nodularins in Recreational Water at 10 ppb2019-06-27
Acute Chironomus dilutus TestFour-day acute toxicity test utilizing Chironomus dilutus2020-10-26
Alpkem RFA 300 Series Nutrient AnalyzerDetermination of Nutrients in soil extracts2012-05-15
ALS GEN-PSP Rev 07ALS GEN-PSP Revision 7 for Particle Size Determination2013-12-12
ALS SOC-BUTYL Rev 12ALS SOC-BUTYL Revision 12 for Analysis of butyltins by GC-FPD in water, sediment and tissue2013-12-12
ALS SOP EXT-LIPID Rev 4ALS SOP Percent Lipids in Tissue, Revisison 4; Referenced Method: PSEP, BLIGH & DYER2015-09-18
ALS SOP GEN-ASTM Rev 09ALS SOP GEN-ASTM for Total Carbon in Soil, Rev 092016-03-29
ALS SOP GEN-PHS Rev 13ALS SOP GEN-PHS for pH in Soil and Solids, Rev 132014-07-09
ALS SOP GEN-PSP Rev 08ALS SOP GEN-PSP for Particle Size Determination, Rev 082016-03-29
ALS SOP GEN-PSP Rev 09ALS SOP GEN-PSP for Particle Size Determination, Rev 092018-08-28
ALS SOP MET-ICP Rev 24ALS SOP MET-ICP for Determination of Metals and Trace Elements by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP), Rev 242014-07-09
ALS SOP MET-TDIG Rev 4ALS SOP Sample Preparation of Biological Tissue for Metals Analysis2015-09-18
ALS SOP SVM-8270D Rev 3ALS SOP SVM-8270D for Semivolatile Organic Compounds by GC/MS - Method 8270D, Rev 31900-01-01
ALS SOP VOC-8260 Rev 18ALS SOP VOC-8260 for Volatile Organic Compounds by GC/MS, Rev 181900-01-01
ALS SOP-GEN-E1109 Rev 0ALS SOP-GEN-E1109 Rev 0 for Bulk density of solid waste fractions2014-02-18
AMS SMStandard Methods for the Determination of Bivalve Growth2012-08-30
AMS-CA Bivalve CI SOPAMS-CA Standard Methods for the Determination of Bivalve Condition Index2012-10-30
AMS-CA Growth SOPAMS-CA Standard Methods for the Determination of Bivalve Growth2012-08-30
Anderson et al., 1996Assessment of sediment toxicity at the sediment-water interface. In: G.K. Ostrander (ed.) Techniques in Aquatic Toxicology. Lewis Publishers, Ann Arbor, MI2012-08-30
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 41.1.28A2011-10-07
APDC/DDDCDissolved Trace Elements organic extraction of Seawater samples (Bruland et al., 1985; Flegal et al. 1991)2007-07-27
APHA, 1981aTotal Nonfilterable Residue Dried at 103-105 deg C2012-08-30
APHA, 1981bVolatile and Fixed Matter in Nonfilterable Residue and in Solid and Semisolid samples2012-08-30
Aqualog SOP_V1.3USGS SOP FOR DOC2015-06-01
ASA 43-5Hydrometer Method of Particle Size Analysis, American Society of Agronomy Monograph No. 9, Method 43-5, p 562-5662013-10-15
ASCI_software_v2.xAlgae Stream Condition Index (ASCI) calculation software version 2.x for bioassessment stream health index based on benthic algae data2021-01-26
ASTM 07065-17Standard Test Method for Determination of Nonylphenol, Bisphenol A, p-tert-Octylphenol, Nonylphenol Monoethoxylate and Nonylphenol Diethoxylate in Environmental Waters by Gas Chromatography Mass Spectrometry2018-08-31
ASTM 1426-93BMStandard Test Methods for Ammonia Nitrogen In Water2012-04-23
ASTM 1853Standard Method for measuring the presence of planar organic compounds which induce CYP1A, Reporter Gene Test Systems2012-05-23
ASTM C136Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates2018-09-13
ASTM D 3977-97(2013)e1Standard Test Methods for Determining Sediment Concentration in Water Samples2015-05-14
ASTM D1426-93BStandard Test Methods for Ammonia Nitrogen In Water2019-06-10
ASTM D2216Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass2015-12-03
ASTM D2974-07aStandard Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils2018-02-26
ASTM D3590-89B-21.1Total Kjeldahl Nitrogen2019-06-10
ASTM D3977Standard Test Methods for Determining Sediment Concentration in Water Samples2007-07-27
ASTM D3977MModification of Standard Test Methods for Determining Sediment Concentration in Water Samples2007-07-27
ASTM D4110Standard Test Methods for Amount of Material in Soils Finer Than the No. 200 (75-um) Sieve2014-02-05
ASTM D4129-05MModification of Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection2014-04-24
ASTM D4129-82MStandard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection 2012-04-23
ASTM D422Standard Test Method for Particle-Size Analysis of Soils, Grain Size2007-07-27
ASTM D422MModification of Standard Test Method for Particle-Size Analysis of Soils, Grain Size2018-07-24
ASTM D423Method of Test for Liquid Limit of Soils2012-08-30
ASTM D4464Standard Test Method for Particle Size Distribution of Catalytic Material by Laser Light Scattering, Grain Size2011-11-28
ASTM D4464MModification of Standard Test Method for Particle Size Distribution of Catalytic Material by Laser Light Scattering, Grain Size2012-06-21
ASTM D516-02Standard Test Method for Sulfate Ion in Water, 20022019-12-18
ASTM D516-07Standard Test Method for Sulfate Ion in Water, 20072017-03-08
ASTM D516-90Standard Test Method for Sulfate Ion in Water, 20092017-03-08
ASTM D6503-99Standard Test Method for Enterococci in Water Using Enterolert2016-11-28
ASTM D6919-09Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography2018-06-25
ASTM D7065-17Standard Test Method for Determination of Nonylphenol, Bisphenol A, p-tert-Octylphenol, Nonylphenol Monoethoxylate and Nonylphenol Diethoxylate in Environmental Waters by Gas Chromatography Mass Spectrometry2020-07-23
ASTM D7263-09Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimens2015-02-10
ASTM D7263-09MModification of Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimens2014-08-18
ASTM D7348-08ASTM D 7348-082014-03-02
ASTM D7511Total Cyanide by Flow Injection and Amperometric Detection2014-10-27
ASTM D888-09 CStandard Test Methods for Dissolved Oxygen in Water, Test Method C, Instrumental Probe Procedure, Luminescence-Based Sensor2016-08-15
ASTM D888-09 C?Standard Test Methods for Dissolved Oxygen in Water, Test Method C, Instrumental Probe Procedure, Luminescence-Based Sensor2016-08-15
ASTM E1109-19Standard Test Method for Determining the Bulk Density of Solid Waste Fractions2019-11-19
ASTM E1109-86Standard Test Method for Determining the Bulk Density of Solid Waste Fractions2019-02-21
ASTM E1218-0401Standard Test Methods for conducting static toxicity tests with microalgae2011-05-26
ASTM E1218-90Standard Guide for Conducting Static 96-h Toxicity Tests with Microalgae.2012-08-30
ASTM E1218-97aStandard Guide for Conducting Static 96-h Toxicity Tests with Microalgae2016-09-09
ASTM E1367Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Estuarine and Marine Invertebrates2012-08-30
ASTM E1367-99Standard Guide for Conducting 10-day Static Sediment Toxicity Tests with Marine and Estuarine Amphipods2014-05-07
ASTM E1415-91Standard Guide for Conducting Static Toxicity Tests with Lemna gibba G32011-12-22
ASTM E1706-20MModification of Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Freshwater Invertebrates2022-03-23
ASTM E1924-97Standard Test Method for Conducting Toxicity Tests with Bioluminescent Dinoflagellates2012-05-22
ASTM E724-89Standard Guide for Conducting Static Acute Toxicity Tests Starting with Embryos of Four Species of Saltwater Bivalve Molluscs2012-08-30
AXYS CL-W-1668A Rev 01Analytical method for the determination of: 209 PCB Congeners by EPA Method 1668A2012-08-30
AXYS MLA-004 Rev 06Alkylphenol in sediment and water samples.2012-08-30
AXYS MLA-007 Rev 12Determination of Aroclors, PCBs, Pesticides, Toxaphene and Chlorobenzenes2012-08-01
AXYS MLA-007 Rev 13Determination of Aroclors, PCBs, Pesticides, Toxaphene and Chlorobenzenes, Rev 132012-10-30
AXYS MLA-010 Rev 04Polycyclic Aromatic Hydrocarbons (PAHs) Alkylated Polycyclic Aromatic Hydrocarbons Alkanes, Rev 42012-08-30
AXYS MLA-010 Rev 05PCBs in Fish Tissue, Water. High-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS). EPA 1668A.2012-08-30
AXYS MLA-010 Rev 05_MLA-004 Rev 04Analytical Method for the Determination of 209 PCBs by EPA method 1668A Rev. 5_Nonylphenols Nonylphenol Ethoxylates, Rev 42012-08-30
AXYS MLA-010 Rev 06PCBs in Fish Tissue, Water. High-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS). EPA 1668A.2012-08-30
AXYS MLA-010 Rev 07PCBs in Fish Tissue, Water. High-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS). EPA 1668A.2012-08-30
AXYS MLA-010 Rev 08PCBs in Fish Tissue, Water. High-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS). EPA 1668A.2012-08-30
AXYS MLA-010 Rev 09PCBs in Fish Tissue, Water. High-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS). EPA 1668A.2012-08-30
AXYS MLA-010 Rev 10High-resolution mass spectrometer (HRMS) coupled to a high-resolution gas chromatograph (HRGC) equipped with a SPB-Octyl chromatography column2012-08-30
AXYS MLA-010 Rev 11High-resolution mass spectrometer (HRMS) coupled to a high-resolution gas chromatograph (HRGC) equipped with a SPB-Octyl chromatography column2012-08-30
AXYS MLA-010 Rev 11 Hexane-Acetone ExtractionAnalytical Method for the Determination of 209 PCBs by EPA method 1668A, EPA method 1668C or EPA Method CBC01.2 Hexane-Acetone Extractions, Rev. 112017-10-23
AXYS MLA-010 Rev 12Analytical Method for the Determination of 209 PCBs by EPA method 1668A, EPA method 1668C or EPA Method CBC01.2 Hexane-Acetone Extractions, Rev. 122018-07-31
AXYS MLA-010 Rev 12 Dichloromethane ExtractionAnalytical Method for the Determination of 209 PCBs by EPA method 1668A, EPA method 1668C or EPA Method CBC01.2 Dichloromethane Extraction, Rev. 122019-05-28
AXYS MLA-010 Rev 12 Hexane-Acetone ExtractionAnalytical Method for the Determination of 209 PCBs by EPA method 1668A, EPA method 1668C or EPA Method CBC01.2 Hexane-Acetone Extractions, Rev. 122017-10-23
AXYS MLA-013 Rev 07Polychlorinated Dibenzodioxins and Furans. Polybrominated Diphenyl Ethers, PCB Congeners, Chlorinated Pesticides and Toxaphene, Rev 72012-08-30
AXYS MLA-017 Rev 13Polychlorinated Dibenzodioxins and Dibenzofurans by EPA Method 1613B, EPA Method 8290/8290A, Env. Canada EPS 1/RM/19 or EPA Method DLM02.02012-08-30
AXYS MLA-017 Rev 14High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-017 Rev 15High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-017 Rev 16High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-017 Rev 17High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-017 Rev 19High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-017 Rev 20High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-021 Rev 05PAHs and Alkylated PAHs in water, sediemnt and tissue. Gas chromatography/low resolution mass spectrometry (GC/LRMS).2012-08-30
AXYS MLA-021 Rev 07PAHs and Alkylated PAHs in water, sediemnt and tissue. Gas chromatography/low resolution mass spectrometry (GC/LRMS).2012-08-30
AXYS MLA-021 Rev 08Gas chromatography/low resolution mass spectrometry (GC/LRMS).2012-08-30
AXYS MLA-021 Rev 09PAHs and Alkylated PAHs in water, sediemnt and tissue. Gas chromatography/low resolution mass spectrometry (GC/LRMS).2012-11-05
AXYS MLA-021 Rev 10PAHs and Alkylated PAHs in water, sediemnt and tissue. Gas chromatography/low resolution mass spectrometry (GC/LRMS)2013-05-06
AXYS MLA-021 Rev 11Determination of Polycyclic Aromatic Hydrocarbons (PAH), Alkylated PAH and Alkanes in Sediment, Tissue, Water Hexane Extracts, XAD Resin and Filter Samples by GC/MS, Rev 112017-03-22
AXYS MLA-021 Rev 12PAHs and Alkylated PAHs in water, sediemnt and tissue. Gas chromatography/low resolution mass spectrometry (GC/LRMS), Rev 122015-02-25
AXYS MLA-025 Rev 02Analytical Method for the Determination of Polybrominated Diphenylethers by High Resolution GC/MS, Rev 2 2012-08-30
AXYS MLA-025 Rev 02_AP-C-08 Rev 01Analytical Method for the Determination of Polybrominated Diphenylethers by High Resolution GC/MS, Rev 2 2012-08-30
AXYS MLA-027 Rev 01Analytical Method for the Determination of Phthalate Esters, Rev 12012-08-30
AXYS MLA-027 Rev 03Analytical Method for the Determination of Phthalate Esters, Rev 32018-02-13
AXYS MLA-028 Rev 01Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-028 Rev 02Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS)2012-08-30
AXYS MLA-028 Rev 03Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS), Rev 032012-08-30
AXYS MLA-028 Rev 04Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS), Rev 042012-08-30
AXYS MLA-028 Rev 05Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS), Rev 052012-08-30
AXYS MLA-028 Rev 06Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS), Rev 062012-08-30
AXYS MLA-028 Rev 08Pesticides in water, sediment, tissue. High-resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS), Rev 82015-02-24
AXYS MLA-033 Rev 02Analytical Method for the Determination of Brominated Diphenyl Ethers (BDE) By EPA Method 1614, Rev 22012-08-30
AXYS MLA-033 Rev 03Analytical Method for the Determination of Brominated Diphenyl Ethers (BDE) By EPA Method 1614, Rev 32012-08-30
AXYS MLA-033 Rev 04Analytical Method for the Determination of Brominated Diphenyl Ethers (BDE) By EPA Method 1614, Rev 42012-08-30
AXYS MLA-033 Rev 05Analytical Method for the Determination of Brominated Diphenyl Ethers (BDE) By EPA Method 1614, Rev 52012-08-30
AXYS MLA-033 Rev 06PBDEs in water2012-08-30
AXYS MLA-035 Rev 05Analysis of Multi-Residue Pesticides by HRGC/HRMS2012-08-30
AXYS MLA-035 Rev 06Analysis of Multi-Residue Pesticides by HRGC/HRMS, Rev. 62012-08-30
AXYS MLA-035 Rev 07Analysis of Multi-Residue Pesticides by HRGC/HRMS, Rev. 72022-07-07
AXYS MLA-041 Rev 06Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Solid Samples by LC-MS/MS, Rev 62015-02-24
AXYS MLA-041 Rev 07Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Solid Samples by LC-MS/MS, Rev 72012-08-30
AXYS MLA-041 Rev 08Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Solid Samples by LC-MS/MS, Rev 82012-08-30
AXYS MLA-041 Rev 09Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Solid Samples by LC-MS/MS, Rev 92013-02-12
AXYS MLA-042 Rev 08Analytical Procedure for the Analysis of Perfluorinated Organic Compounds (PFC) and Triclosan in Blood Serum by LC-MS/MS, Rev 82012-08-30
AXYS MLA-042 Rev 09Analytical Procedure for the Analysis of Perfluorinated Organic Compounds (PFC) and Triclosan in Blood Serum by LC-MS/MS, Rev 92012-10-29
AXYS MLA-043 Rev 03Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Tissue Samples by LC-MS/MS, Rev 32012-08-30
AXYS MLA-043 Rev 06Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Tissue Samples by LC-MS/MS, Rev 62012-08-30
AXYS MLA-043 Rev 07Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Tissue Samples by LC-MS/MS, Rev 72012-08-30
AXYS MLA-043 Rev 08Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Tissue Samples by LC-MS/MS, Rev 82014-01-13
AXYS MLA-046 Rev 02Analysis of Pyrethroids, Pyrethrins and Piperonyl Butoxide in Aqueous, Solid and XAD-2 Column Samples by Method MLA-0462012-08-30
AXYS MLA-046 Rev 03Analysis of Pyrethroids, Pyrethrins and Piperonyl Butoxide in Aqueous, Solid and XAD-2 Column Samples by Method MLA-046, Rev 32012-08-30
AXYS MLA-046 Rev 04Analysis of Pyrethroids, Pyrethrins and Piperonyl Butoxide in Aqueous, Solid and XAD-2 Column Samples by Method MLA-046, Rev 42012-08-30
AXYS MLA-060 Rev 07Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Aqueous Samples by LC-MS/MS, Rev 72012-08-30
AXYS MLA-060 Rev 09Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Aqueous Samples by LC-MS/MS, Rev 92012-08-30
AXYS MLA-060 Rev 10Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Aqueous Samples and Solvent Extracts by LC-MS/MS, Rev 102015-02-24
AXYS MLA-060 Rev 11Analytical Procedure for the Analysis of Perfluorinated Organic Compounds in Aqueous Samples and Solvent Extracts by LC-MS/MS, Rev 112014-11-03
AXYS MLA-070 Rev 01Analytical Procedure for the Analysis of Hexabromocyclododecane (HBCD) in Serum2012-08-30
AXYS MLA-075 Rev 01Analytical Procedure for the Analysis of Pharmaceutical and Personal Care Compounds in Solid and Aqueous Samples by LC-MS/MS, Modified for Tissue Samples, Rev 12012-08-30
AXYS MLA-075 Rev 06Analytical Procedure for the Analysis of Pharmaceutical and Personal Care Compounds in Solid and Aqueous Samples by LC-MS/MS, Modified for Tissue Samples, Rev 62018-01-22
AXYS MLA-075 Rev 07Analytical Procedure for the Analysis of Pharmaceutical and Personal Care Compounds in Solid and Aqueous Samples by LC-MS/MS, Modified for Tissue Samples, Rev 72018-01-22
AXYS MLA-080 DRAFTAnalytical Procedure for the Analysis of Alkylphenols and Alkylphenol Ethoxylates in Tissue by LC-MS/MS2012-08-30
AXYS MLA-081 Rev 01Analytical Procedure for the Analysis of Fluorotelomer Sulfonates (FTS) in Aqueous Samples by LC-MS/MS, Rev 12014-11-03
AXYS MLA-085 Rev 01Analytical Procedure for the Analysis of Perfluoroalkyl Phosphonic Acids (PFPAs), Perfluoroalkyl Phosphinic Acids (PFPiAs), Polyfluoroalkyl Phosphate Monoesters (monoPAPs) and Polyfluoroalkyl Phosphate Diesters (diPAPs) in Whole Effluent by LC-MS/MS, Rv 12014-11-03
AXYS MLA-089 Rev 01Analytical Procedure for the Analysis of Fluorotelomer Sulfonates in Solid Samples by LC-MS/MS, Rev 12014-11-03
AXYS MLA-093 Rev 01Analytical Procedure for the Analysis of Perfluoroalkyl Phosphonic Acids (PFPAs), Perfluoroalkyl Phosphinic Acids (PFPiAs), Polyfluoroalkyl Phosphate Monoesters (monoPAPs) and Polyfluoroalkyl Phosphate Diesters (diPAPs) in Solid Samples, Rev 12014-11-03
AXYS MLA-094 Rev 01Analytical Procedure for the Analysis of Perfluoroalkyl Precursors (PrePFAA) in Aqueous Samples by LC-MS/MS, Rev 12014-11-03
AXYS MLA-095 Rev 01Analytical Procedure for the Analysis of Perfluoroalkyl Acid Precursors (PrePFAA) in Solid Samples by LC-MS/MS, Rev 12014-11-03
AXYS MLA-114 Rev 01Analysis of Multiclass Pesticide Residues and Related Metabolites In Aqueous and Solid Samples by UPLC-MS/MS, Rev 12018-07-09
AXYS MLA-114 Rev 02Analysis of Multiclass Pesticide Residues and Related Metabolites In Aqueous and Solid Samples by UPLC-MS/MS, Rev 22023-10-24
AXYS MLA-115 Rev 01Analytical Method for the Determination of Triclosan and Methyl Triclosan in Tissues, Rev 12018-07-24
AXYS PH-C-07 Rev 02Polycyclic Aromatic Hydrocarbons (PAHs) Alkylated Polycyclic Aromatic Hydrocarbons Alkanes, Rev 2 Phthalates Dissolved2012-08-30
AXYS PH-C-08 Rev 02Polycyclic Aromatic Hydrocarbons (PAHs) Alkylated Polycyclic Aromatic Hydrocarbons Alkanes, Rev 2 Dissolved2012-08-30
AXYS PH-F-07 Rev 02Polycyclic Aromatic Hydrocarbons (PAHs) Alkylated Polycyclic Aromatic Hydrocarbons Alkanes, Rev 2 Phthalates Particulate2012-08-30
AXYS PH-F-08 Rev 02Polycyclic Aromatic Hydrocarbons (PAHs) Alkylated Polycyclic Aromatic Hydrocarbons Alkanes, Rev 2 Particulate2012-08-30
AXYS PH-W-04 Rev 04Analytical method for the determination of: Polycyclic aromatic hydrocarbons (PAHs), alkylated polycyclic aromatic hydrocarbons, and alkanes2012-08-30
BA-3100 Rev 001BA Procedure for EPA Method 1631, Revision E: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry, Rev 12016-09-21
BA-3101 Rev 003Total Mercury in Tissue, Sludge, Sediment, and Soil by Acid Digestion and BrCl Oxidation by Cold Vapor Atomic Fluorescence Spectrophotometry (CVAFS)1900-01-01
BA-3101 Rev 004BA Procedure for EPA Method 1631, Appendix to (1/01): Total Mercury in Tissue, Sludge, Sediment and Soil by Acid Digestion and BrCl Oxidation by Cold Vapor Atomic Fluorescence Spectrometry (CVAFS), Rev 42017-07-24
BA-4400 Rev 001Cyanide Analysis by Ion Chromotography ? Pulsed Amperometric Detection (IC-PAD)2019-08-14
BA-5020 Rev 001aReductive Precipitation of Total Recoverable and Dissolved Metals from Brackish and Seawater Samples2018-03-15
BacCan-UCD_SIPPSIPP-UC Davis SOP QPCR Dog Bacteriodales2014-07-29
Bae and Wuertz AEM 2009Discrimination of Viable and Dead Fecal Bacteriodales Bacteria by Quantitative PCR with Propidium Monoazide, Sungwoo Bae and Stefan Wuertz 20092010-05-04
BAL-0501 Rev 002Dry Weight Determination Of Total Solids2018-07-09
BAL-0501 Rev 005Dry Weight Determination Of Total Solids, Rev 0052021-04-09
BAL-3101 Rev 005BA Procedure for EPA Method 1631, Appendix to (1/01): Total Mercury in Tissue, Sludge, Sediment and Soil by Acid Digestion and BrCl Oxidation by Cold Vapor Atomic Fluorescence Spectrometry (CVAFS), Rev 52018-07-09
BAL-3200 Rev 002Determination of Methyl Mercury by Aqueous Phase Ethylation, Trap and PreCollection, Isothermal GC Separation and CVAFS Detection2018-07-09
BAL-5000 Rev 001aDetermination of Trace Elements by Inductively Coupled Plasma - Mass Spectrometry using an Agilent 8800/8900 QQQ2018-07-09
BA-Se IC Column SeparationDetermination of low level Se in high salinity matrices by IC-ICP-MS2018-03-26
BDESIM2Duke University Analysis of PBDEs, organophosphate and alternative brominated flame retardants2012-08-30
BR SOP 0061BR SOP 0061 for the determination of Selenium speciation in water by HPLC-ICPMS2012-06-26
BR-0002 Rev 010Total Mercury. Cold Vapor Atomic Fluorescence Spectrophotometry, Rev 0102012-08-30
BR-0002 Rev 010CTotal Mercury. Cold Vapor Atomic Fluorescence Spectrophotometry, Rev 010C2012-08-30
BR-0002 Rev 010dBRL Procedure for EPA Method 1631, Appendix to (1/01): Total Mercury in Tissue, Sludge, Sediment, and Soil by Acid Digestion and BrCl Oxidation by Cold Vapor Atomic Fluorescence Spectrophotometry (CVAFS), Rev 10d2013-01-17
BR-0002 Rev 010FBRL Procedure for EPA Method 1631, Appendix to (1/01): Total Mercury in Tissue, Sludge, Sediment, and Soil by Acid Digestion and BrCl Oxidation by Cold Vapor Atomic Fluorescence Spectrophotometry (CVAFS), Rev 10F2015-02-09
BR-0003 Rev 005"Acid-Labile" Mercury. Cold Vapor Atomic Fluorescence Spectrophotometry, Rev 0052012-08-30
BR-0003 Rev 006"Acid-Labile" Mercury. Cold Vapor Atomic Fluorescence Spectrophotometry, Rev 0062012-08-30
BR-0006 Rev 004Modification of Mercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision E2012-08-30
BR-0011 Rev 012Aqueous Phase Ethylation, Trap Pre-Collection, Isothermal GC Separation, and CVAFS Detection2012-08-30
BR-0020 Rev 002Determination of Trace Elements in Ambient Waters by ICPMS2012-08-30
BR-0020 Rev 003As, Se. Hydride Generation Quartz Furnace AA2012-08-30
BR-0020 Rev 004As, Se in water. Hydride Generation Quartz Furnace AA. EPA 1632M.2012-08-30
BR-0020 Rev 005Hydride Generation-Atomic Absorption Spectrometry with Cryogenic Trap Preconcentration, Rev 052012-08-30
BR-0020 Rev 007Hydride Generation-Atomic Absorption Spectrometry with Cryogenic Trap Preconcentration, Rev 072012-08-30
BR-0020 Rev 008aDetermination of Selenium (Se) and Arsenic (As) in Environmental Samples by Hydride Generation-Atomic Absorption Spectrometry with Cryogenic Trap Preconcentration, Rev 8a2013-01-17
BR-0020 Rev 008CDetermination of Selenium (Se) and Arsenic (As) in Environmental Samples by Hydride Generation-Atomic Absorption Spectrometry with Cryogenic Trap Preconcentration, Rev 8C2015-02-09
BR-0060 Rev 003Inductively Coupled Plasma - Mass Spectrometry using a Perkin-Elmer ELAN DRC II2012-08-30
BR-0060 Rev 003BInductively Coupled Plasma - Mass Spectrometry using a Perkin-Elmer ELAN DRC II2012-08-30
BR-0060 Rev 003CInductively Coupled Plasma - Mass Spectrometry using a Perkin-Elmer ELAN DRC II2012-08-30
BR-0061 Rev 000BTrace Element Speciation by High Performance Liquid Chromatography - Inductively Coupled Plasma - Dynamic Cell Reaction - Mass Spectrometry using a Perkin-Elmer ELAN DRC II2012-08-30
BR-0066 Rev 001Inductively Coupled Plasma - Mass Spectrometry2012-08-30
BR-0080 Rev 000Determination of Iron Speciation in Water Samples by Colorimetric Detection, Rev 02012-08-30
BR-0106 Rev 001Sample Homogenization, Rev 0012012-08-30
BR-1501 Rev 003Dry weight Determination of Solids.2012-08-30
Bran and Luebbe Method G-175-96"Phosphate in Water and Seawater Total P in persulfate or Kjeldahl digests", AutoAnalyzer Method No. G-175-96, Bran Luebbe, Inc. Buffalo Grove, IL.2012-08-30
BR-Hg(II)RReactive Mercury (Hg(II)) uses EPA 1631M (Modification of Mercury in Water by Oxidation, Purge & Trap and Cold Vapor Atomic Fluorescence Spectrometry)2012-08-30
Buchanan 1984Sediment analysis, p.41-65 "Methods for the Study of Marine Benthos" ed by N.A.Holme, A.D.McIntyre. A Modification to the Plumb Method.2012-08-30
CalculatedCalculated value, when method of analysis is not provided and measured values are used to calculate concentration of a secondary parameter2011-10-31
California LUFT Manual - GasolineAnalysis of Gasoline Range Organics in Water and Soils by GC/MS2012-08-30
California LUFT Manual - DieselAnalysis of Diesel and Motor Oil in Water and Soils by GC/MS2012-08-30
CALTEST B-AFDWCALTEST Method for gravametric determination of Periphyton by Ash Free Dry Weight2016-04-18
CALTest SOP O-PyrethroidsNCI Rev3aCALTest SOP for SW846 8270 Modified Pyrethroids by GCMS-NCI SIM Rev 3a2014-08-26
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. 59:197-2422011-07-01
Cao,et al., 2015Yiping Cao, et al., "Droplet digital PCR for simultaneous quantification of general and human-associated fecal indicators for water quality assessment"2015-08-27
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?16062012-05-03
Carter2ed51.2Percent moisture (Maxxam Analytics SOP CAM SOP-00445, Reference: Carter 2nd ed 51.2 m)2019-05-29
CAS SOP GEN-ASTM Rev 07CAS SOP GEN-ASTM Revision 7 for Total Organic Carbon in Soil2013-04-18
CAS SOP HMS-PCDD/PCDFCAS SOP HMS_PCDD/PCDF for analysis of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans by high-resolution gas chromatography/high-resolution mass spectrometry2013-06-04
CAS SOP SOC-PESTMS2CAS SOP SOC-PESTMS2 for trace analysis of various chlorinated pesticides by high performance gas chromatography/tandem mass spectrometry (HPGC/MS/MS)2013-06-13
CAS SOP SVM-8270PCAS SOP SVM-8270P for Polycyclic Aromatic Hydrocarbons BY GC/MS selective ion monitoring2013-07-06
CAS SOP SVM-8270SCAS SOP SVM-8270S for semivolatile organic compounds by GC/MS selective ion monitoring1900-01-01
CCAMP_SOP_Calculation_NH3U_NCCAMP SOP for Calculating Unionized Ammonia2016-03-10
CCAMP_SOP_Calculation_Summed_AnalytesCCAMP SOP for Calculating Summations of Analytes2016-03-10
CDFA MRAMCDFA Multiresidue Screen for Pyrethroid Pesticides with EMA modifications2012-08-30
CDFA SOP 33.5CDFA SOP 33.5 for the determination of Glyphosate (N-phosphonomethyl glycine) in Runoff Water2017-04-12
CDFA SOP 62.5CDFA SOP 62.5 for the determination of Atrazine, Simazine, Diuron, Prometon, Bromacil, Prometryn, Hexazinone, Cyanazine, Metribuzin in River Water2017-04-12
ChenLab_BPs_Water_031517SIU SOP Da Chen Lab for bisphenols in water samples2018-08-28
ChenLab_OPFRs_Water_053017SIU SOP Da Chen Lab for flame retardants in water samples2018-08-28
ChenLab_TSS_063016SIU SOP Da Chen Lab for Total Suspended Solids2018-08-28
CHLORTRISDuke University Analysis of Triphenylphosphate, Tris(1,3-dichloropropyl)phosphate, and Tris(1-chloro-2-propyl)phosphate in sediments2012-08-30
CHN_440CEC 440 elemental analyzer determining C, H, and N weight percents using Dumas Method2021-03-18
Choat 1996Preparation and reading otoliths for age analysis2021-09-02
CIET SOP 802-41-01"Whole-sediment toxicity test using Typha latifolia Linnaeus", Clemson Institute of Environmental Toxicology, Pendleton, SC 296700, 2000 latifolia Linnaeus. Clemson Institute of Environmental Toxicology, Pendleton, SC 2967002012-08-30
CIET SOP 802-41-01_Muller et al., 2001CIET SOP 802-41-01_Muller et al., 20012012-08-30
CLS 8081ACLS MODIFIED EPA METHOD 8081A FOR TISSUE2016-01-11
ColilertColilert method performed at a time interval other than the 18 hour Colilert method describes 2011-06-01
Colilert-18Colilert-18 Testing-EPA Approved2011-06-01
Cooley, et al., 2007Cooley, et al., Incidence and Tracking of Escherichia coli O157:H7 in a Major Produce Production Region in California, 20072012-05-03
CowM2_SIPPSIPP SOP for QPCR Cow Bacteriodales2014-07-29
CRD-C 403Determination of Sulfate Ion in soil and water2007-07-27
CSCI_software_v1.1.2California Stream Condition Index (CSCI) calculation software version 1.1.2 for bioassessment stream health index based on benthic macroinvertebrate data2017-07-18
CSCI_software_v1.xCalifornia Stream Condition Index (CSCI) calculation software version 1.x for bioassessment stream health index based on benthic macroinvertebrate data2021-01-26
DFG SOP 103Determination of Mercury by FIMS in sed and tissue2007-07-27
DFG-WPCL GC/MS/MSMusks in tissue. Gas Chromatography with a Mass Spectrometer. 2012-08-30
DFG-WPCL LC/MS % Moisture and % Solids in tissue.2012-08-30
DFG-WPCL SOP SO-TISS, Revision 7Analysis of Extractable Synthetic Organic Compounds In Tissue (Organochlorine Pesticides, PCBs, and PBDEs )2012-09-24
Doane, 2003Spectrophotometric Determination of Nitrate with a Single Reagent (Doane, T.A. 2003)2010-08-24
DogBact_SIPPSIPP SOP for QPCR Dog Bacteriodales2014-07-29
Ebina, et al., 1983J.Ebina, et al., "Simultaneous Determination of Total Nitrogen and Total Phosphorus in Water Using Peroxodisulfate Oxidation" Water Research, Vol. 17, pgs 1721-1726, 19832012-08-30
EBMUD 488 PhosphorusAnalytical Procedure for the Analysis of Phosphorus in Water Samples. This method adds digestion for total Phosphorus.2012-08-30
EBMUD SOP ButyltinsEBMUD SOP for the Determination of Butyltins2018-02-14
EcoAnalysts SOP Algae BiomassEcoAnalysts SOP for Algae Biomass2016-08-16
ELAB-SM-01Determination of Thiram in Surface Water2017-04-12
ELISA Abraxis 520011EPA 546 and Abraxis for Microcystins/Nodularins (ADDA) (EPA ETV) ELISA Assay2020-09-29
ELISA Abraxis 520011ESELISA, Abraxis method No. 520011ES2014-09-08
ELISA Abraxis 520011SAESMicrocystins/Nodularins (ADDA) SAES (Streptavidin Amplified Enhanced Sensitivity),ELISA Kit.sensitivity (0.016 ppb),for measuring microcystins in marine/brackish water2018-03-21
ELISA Abraxis 520060Abraxis method No. 520060-ANATOXIN2016-08-31
ELISA Abraxis 52011ESELISA, Abraxis method No. 52011ES2014-09-08
ELISA Abraxis 522011ELISA, Abraxis method No. 5220112012-05-03
ELISA Abraxis 522015ELISA Abraxis method No. 522015, Microcystins and Nodularins (ADDA) direct monoclonal ELISA microtiter plate2021-10-14
ELISA Abraxis 522015DMMicrocystins/Nodularins (ADDA)-DM (direct monoclonal), ELISA Kit sensitivity 0.165 ppb, for measuring microcystins in brackish water or seawater2020-02-11
ELISA Abraxis 52255BELISA, Abraxis method No. 52255B2012-05-03
ELISA Cayman 501890ELISA Estradiol (E2), Caymen Item No. 5018902021-05-06
ELISA Cayman 582751ELISA 11-ketotestosterone (11-KT), Cayman Item No. 5827512021-05-06
ELISA SOP 3.3ELISA Diazinon and Chlorpyrifos analysis2007-07-27
EM 33.5Determination of Imidacloprid in Surface and Well Water by HPLC2017-04-12
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 Water2019-08-26
EMON-SM 05-003Analysis of Pyrethroids in Sediment Water2017-04-12
EMON-SM 05-006Ethalfluralin, Trifluralin, Benfluralin, Prodiamine, Pendimethalin, Oxyfluorfen, Oryzalin/Surface Water2017-04-12
EMON-SM 05-012Determination of Phenoxy Herbicides in Surface water using GC/MS2017-04-12
EMON-SM 05-013Determination of Fipronil and Metabolites In Surface Water using GC/MS2017-04-12
EMON-SM 05-023Determination of Bensulide and Imidacloprid in Surface Water2017-04-12
EMON-SM 11.3Determination of N- methylcarbamate Pesticides in Surface Water using High Performance Liquid Chromatography and Post-column Derivatization2015-08-25
EMON-SM 36.3Dicamba, MCPA, 2,4,D, 2,4,5-T, triclopyr and bentazon in water by GC/MSC2017-04-12
EMON-SM 46-0Determination of Organophosphate Pesticides in Surface Water using GC.2017-04-12
EMON-SM 62.9Atrazine, Bromacil, Diuron, Hexazinone, Prometon, Prometryn, Simazine, DEA, ACET, DACT by LC/MS2017-04-12
EMON-SM-05-010Determination of Acephate and Methamidophos in Surface Water by LC-MS2017-04-12
EMON-SM-05-015Analysis of Chlorpyrifos in Sediment2017-04-12
EMON-SM-05-016Determination of Bensulide in Surface Water Using LC-MS2017-04-12
EMON-SM-05-020Determination of Chlorothalonil in Ground and Surface Water2015-08-25
EMON-SM-05-022Determination of Pyrethroids in Sediment Water Using Triple Quadrupole GC/MS/MS2015-08-25
EMON-SM-05-023Determination of Bensulide and Imidacloprid in Surface Water2015-08-25
EMON-SM-05-024Determination of Azoxystrobin, Kresoxim methyl, Pyraclostrobin and Trifloxystrobin in Surface Water by Ultra Performance Liquid Chromatography Coupled to Tandem Mass Spectrometry2015-08-25
EMON-SM-05-026Determination of Methoxyfenozide and Tebufenozide in Surface Water2017-04-12
EMON-SM-05-031Determination of Chlorantraniliprole in Surface Water2017-04-12
EMON-SM-05-033Determination of Chlorfenapyr in Surface Water Using Triple Quadrupole GC/MS/MS2017-04-17
EMON-SM-05-037Determination of 47 pesticides in Surface Water by Liquid Chromatography Coupled to Linear Ion Trap Quadrupole2018-07-25
EMON-SM-13.0Determination of Imidacloprid and Metabolites in Well Water2017-04-12
EMON-SM-46.0-MSDDetermination of Organophosphate Pesticides in Surface water using Gas Chromatography2015-08-25
EMON-SM-52-9Analysis of Pyrethroids in Sediment2017-04-12
EMTS SOP TOC and TN in Ocean SedimentsCarbon and Total Nitrogen are determined by dynamic combustion on a Thermo Scientific Flash 2000 series Elemental Analyzer2022-11-18
EnterolertKit to detect enterococci in water using a nutrient indicator which fluoresces when metabolized; ASTM D6503-992007-07-27
EOA ChemMetrics K-2504ChemMetrics Chlorine High Range Test Kit, K-25042013-01-31
EOA ChemMetrics K-2511ChemMetrics Chlorine Low Range Test Kit, K-25112013-01-31
EPA 100.1Determination of Asbestos Fibers in water2017-04-28
EPA 1007.0Americamysis bahia (formerly Mysidopsis bahia) Chronic (7-Day) Survival, Growth, and Fecundity Bioassay2012-08-30
EPA 110.2Color (Colorimetric-Platinum-Cobalt) by Spectrophotometer2012-08-30
EPA 120.1Specific Conductance using conductivity meter2007-07-27
EPA 130.1Hardness, Total (mg/l as CaC03), Colorimetric, Automated EDTA2007-07-27
EPA 130.2Hardness, Total (mg/L as CaCO3) (Titrimetric, EDTA)2007-07-27
EPA 140.1Odor (Threshold Odor, Consistent Series)2017-04-07
EPA 150.1pH in Water by Electrometric Method2012-08-30
EPA 160.1Total Dissolved Solids (Gravimetric dried at 180 degrees C)2007-07-27
EPA 160.2Total Suspended Solids (Gravimetric dried at 103-105 degrees C)2007-07-27
EPA 160.2MModification of Total Suspended Solids (Gravimetric dried at 103-105 degrees C)2011-05-23
EPA 160.3Percent Moisture by Total Residue (Gravimetric, Dried 103-105 C)2007-07-27
EPA 160.3MModification of Percent Moisture by Total Residue (Gravimetric, Dried 103-105 C)2012-08-30
EPA 160.4Residue, Volatile (Gravimetric, Ignition at 550?C)2013-03-11
EPA 1600Enterococci in Water by Membrane Filtration2011-07-07
EPA 1602Male-specific (F+) and Somatic Coliphage in Water by Single Agar Layer (SAL) Procedure2020-09-03
EPA 1603Escherichia coli (E. coli) in Water by Membrane Filtration Using Modified membrane-Thermotolerant Escherichia coli Agar2019-09-13
EPA 1603MModification of Escherichia coli (E. coli) in Water by Membrane Filtration Using Modified membrane-Thermotolerant Escherichia coli Agar (Modified mTEC)2012-03-02
EPA 1604Total Coliforms and Escherichia coli in Water by Membrane Filtration Using a Simultaneous Detection Technique (MI Medium)2016-09-07
EPA 1613Tetra- through Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS2017-02-09
EPA 1613BEPA 1613 Tetra- through Octa-Chlorinated Dioxins and Furans by Isotope Dilution HRGC/HRMS2017-03-08
EPA 1613BMModification of Tetra- through Octa-Chlorinated Dioxins and Furans by Isotope DilutioHRGC/HRMS2016-12-23
EPA 1614ABrominated diphenyl ethers in water, soil, sediment, and tissues by HRGC/HRMS (May 2010)2024-09-11
EPA 1614AMModified Brominated diphenyl ethers in water, soil, sediment, and tissues by HRGC/HRMS (May 2010)2015-12-21
EPA 1614MModified Brominated diphenyl ethers in water, soil, sediment, and tissues by HRGC/HRMS2012-08-30
EPA 1623Cryptosporidium and giardia by filtration/IMS/FA microscopy2007-07-27
EPA 1623MModification of Cryptosporidium and giardia by filtration/IMS/FA microscopy2013-08-02
EPA 1624Volatile Organic Compounds by Isotope Dilution GC/MS2018-02-13
EPA 1624MModification of Volatile Organic Compounds by Isotope Dilution GC/MS2018-02-13
EPA 1630Methyl Mercury in Water by Distillation, Aqueous Ethylation, Purge and Trap, and CVAFS2012-08-30
EPA 1630MModification of Methyl Mercury in Water by Distillation, Aqueous Ethylation, Purge and Trap, and CVAFS2009-08-19
EPA 1631Mercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry2012-08-30
EPA 1631BMercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision B2007-07-27
EPA 1631EMercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision E2007-07-27
EPA 1631EMModification of Mercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry, Revision E2007-07-27
EPA 1631MModification of Mercury in Water by Oxidation, Purge&Trap and Cold Vapor Atomic Fluorescence Spectrometry2012-08-30
EPA 1632Chemical Speciation of Arsenic in Water and Tissue by Hydride Generation Quartz Furnace Atomic Absorption Spectrometry2012-08-30
EPA 1632AChemical Speciation of Arsenic in Water and Tissue by Hydride Generation Quatrz Furnace Atomic Absorption Spectrometry2012-08-30
EPA 1632AMModification of Chemical Speciation of Arsenic in Water and Tissue by Hydride Generation Quatrz Furnace Atomic Absorption Spectrometry2008-07-09
EPA 1632MModified Total As w/Alkaline Persulfate Digestion2012-08-30
EPA 1633Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS2024-05-01
EPA 1633 Draft 3Analysis of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, 3rd Draft Method 16332023-11-06
EPA 1634 DraftDraft Method 1634: Determination of 6PPD-Quinone in Aqueous Matrices Using Liquid Chromatography with Tandem Mass Spectormetry (LC/MS/MS), Dec 20232024-06-20
EPA 1638Determination of Trace Elements in Ambient Waters by ICPMS2007-07-27
EPA 1638MModification of Determination of Trace Elements in Ambient Waters by ICPMS2007-07-27
EPA 1640Determination of Trace Elements in Ambient Waters by On-Line Chelation Preconcentration and ICPMS2007-07-27
EPA 1640MModification of the Determination of Trace Elements in Ambient Waters by On-Line Chelation Preconcentration and ICPMS2012-08-30
EPA 1642Male-specific (F+) and Somatic Coliphageby Ultrafiltration (UF) and Single Agar Layer (SAL) Procedure2022-02-11
EPA 1643Male-specific (F+) and Somatic Coliphage in Secondary (No Disinfection) Wastewater by the Single Agar Layer (SAL) Procedure2022-06-02
EPA 1653MModification of Chlorinated Phenolics in Wastewater by In Situ Acetylation and GCMS2017-03-08
EPA 1660MModification of method for Pyrethroids and Pyrethrins2007-07-27
EPA 1664HEM; Oil and Grease & SGT-HEM; Non-Polar Material by Extraction and Gravimetry2012-05-02
EPA 1664AN-Hexane Extractable Material (Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (Non-polar Material) by Extraction and Gravimetry2007-07-27
EPA 1664AMModification of N-Hexane Extractable Material (Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (Non-polar Material) by Extraction and Gravimetry2020-06-19
EPA 1664BN-Hexane Extractable Material (Oil and Grease) and Silica Gel Treated N-Hexane Extractable Material (Non-polar Material) by Extraction and Gravimetry, Rev B2015-06-02
EPA 1668AHigh-resolution mass spectrometer (HRMS) coupled to a high-resolution gas chromatograph (HRGC)2012-08-30
EPA 1668AMHigh-resolution gas chromatograph coupled to a high resolution mass spectrometer (HRGC/HRMS).2012-08-30
EPA 1668CChlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS2015-03-13
EPA 1668CMModification of Chlorinated Biphenyl Congeners in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS2015-12-21
EPA 1677OIA-Method 1677 Available Cyanide by Flow Injection, Ligand Exchange, and Amperometry2017-03-08
EPA 1680Fecal Coliforms in Sewage Sludge (Biosolids) by MultipleTube Fermentation using Lauryl Tryptose Broth (LTB) and EC Medium2019-03-14
EPA 1682Salmonella in Sewage Sludge (Biosolids) by Modified Semisolid Rappaport-Vassiliadis (MSRV) Medium July 20062010-04-21
EPA 1682MModification of Salmonella in Sewage Sludge (Biosolids) by Modified Semisolid Rappaport-Vassiliadis (MSRV) Medium July 20062013-08-02
EPA 1684Total, Fixed, and Volatile Solids in Water, Solids, and Biosolids in Water, Solids, and Biosolids2012-11-05
EPA 1694Pharmaceuticals and personal care products in water, soil, sediment, and biosolids by HPLC/MS/MS2017-04-12
EPA 1694MModification of Pharmaceuticals and Personal Care Products in Water, Soil, Sediment, and Biosolids by HPLC/MS/MS2010-10-19
EPA 1696Characterization of Human Fecal Pollution in Water by HF183/BacR287 TaqMan Quantitative Polymerase Chain Reaction (qPCR) Assay2021-04-21
EPA 1697Characterization of Human Fecal Pollution in Water by HumM2 TaqMan Quantitative Polymerase Chain Reaction (qPCR) Assay2023-01-27
EPA 1699Pesticides in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS2015-10-30
EPA 1699MModification of Pesticides in Water, Soil, Sediment, Biosolids, and Tissue by HRGC/HRMS2022-07-07
EPA 170.1Temperature (Thermometric)2017-03-08
EPA 180.1Hach 2100A Turbidity2007-07-27
EPA 1995Short-Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Water to West Coast Marine and Estuarine Organisms2012-08-30
EPA 200.2Sample Preparation Procedure for Spectrochemical Determination of Total Recoverable Elements, Rev 2.82012-08-30
EPA 200.7Determination of metals and trace elements in water, solids and biosolids by ICP-AES2007-07-27
EPA 200.8Determination of metals and trace elements in waters and wastes by ICP-MS2007-07-27
EPA 200.8mModification of Determination of Trace Elements in Waters and Wastes by ICPMS2011-06-01
EPA 200.9Trace Elements by Stabilized Temperature Graphite Furnace AA Spectrometry2007-07-27
EPA 2000Fathead Minnow, Pimephales promelas, Acute Toxicity Tests with Effluents and Receiving Waters2012-08-30
EPA 206.2Arsenic (AA, Furnace Technique)2017-05-25
EPA 206.5Arsenic (Sample Digestion Prior to Total Arsenic Analysis by Silver Diethyldithiocarbamate or Hydride Procedures)2017-03-08
EPA 212.3Boron (Colorimetric, Curcumin)2019-06-13
EPA 213.2Cadmium (AA, Furnace Technique)2017-03-08
EPA 218.2Chromium (AA, Furnace Technique)2017-03-08
EPA 218.6Determination of Dissolved Hexavalent Chromium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography2011-06-01
EPA 218.6MModification of Determination of Mercury in Water by Cold Vapor Atomic Absorption Spectrometery2016-11-17
EPA 218.7Determination of Hexavalent Chromium in Drinking Water by Ion Chromatography with Post-Column Derivatization and UV?Visible Spectroscopic Detection2022-11-11
EPA 220.2Copper (AA, Furnace Technique)2017-03-08
EPA 239.2Lead (AA, Furnace Technique)2017-03-08
EPA 245.1Determination of Mercury in Water by Cold Vapor Atomic Absorption Spectrometery2007-07-27
EPA 245.2Mercury in Sediments and Tissue by Manual Cold Vapor Atomic Absorption (CVAA)2012-08-30
EPA 245.5Mercury in Sediments and Tissue by Manual Cold Vapor Atomic Absorption (CVAA)2008-11-10
EPA 245.6MDetermination of Mercury in Tissues by Cold Vapor Atomic Absorption Spectrophotometry (CV/AAS)2012-08-30
EPA 245.7Mercury in Water by Cold Vapor Atomic Fluorescence Spectrometry2013-10-14
EPA 245.7mModification of Mercury in Water by Cold Vapor Atomic Fluorescence Spectrometry2012-01-11
EPA 249.2Nickel (AA, Furnace Technique)2017-03-08
EPA 270.3Selenium - AA, Gaseous Hydride2012-08-30
EPA 272.2Silver - AA, Furnace2012-08-30
EPA 289.1Zinc (AA, Direct Aspiration)2017-03-08
EPA 300.0Inorganic Anions by Ion Chromatography2007-07-27
EPA 300.0MModification to Perchlorate by Ion Chromatography2007-07-27
EPA 300.1Rev 1.0 Determination of Inorganic Anions in Drinking Water by Ion Chromatography2007-07-27
EPA 3010AAcid Digestion of Aqueous Samples and Extracts for Total Metals for Analysis by Flame Atomic Absorption Spectroscopy (FLAA) or Inductively Coupled Plasma Spectroscopy (ICP)2017-03-16
EPA 3015AMModification of Microwave Assisted Acid Digestion of Aqueous Samples and Extracts2021-11-09
EPA 3050BMModified Acid Digestion of Sediments, Sludges, and Soils - Modified (for Metals)2012-08-30
EPA 310.1Alkalinity by Titration2007-07-27
EPA 310.1MModification of Alkalinity by Titration2013-05-21
EPA 310.2Alkalinity (Colorimetric, Automated, Methyl Orange)2014-10-27
EPA 314.0Determination of Perchlorate in Drinking Water by Ion Chromatography2007-07-27
EPA 325.2Chloride (Colorimetric, Automated Ferricyanide AAII)2017-03-08
EPA 331.0Perchlorate in water by LC/EMI/MS2017-09-01
EPA 331.0MModification of Perchlorate in water by LC/EMI/MS2019-02-22
EPA 332.0Determination of Perchlorate in Drinking Water by Ion Chromatography with Suppressed Conductivity and Electrospray Ionization Mass Spectrometry2022-03-28
EPA 335.2Cyanides, Amenable to Chlorination (Titrametric; Spectrophotometric)2007-07-27
EPA 335.4Determination of Total Cyanide by Semi-Automated Colorimetry2011-06-01
EPA 340.2Fluoride - Ion-Selective Electrode Method2007-07-27
EPA 350.1Determination of Ammonia-Nitrogen by Semi-Automated Colorimetry2007-07-27
EPA 350.1MModification of method for NH4-N2007-07-27
EPA 350.2Ammonia (Colormetric, Titrimetric, Potentiometric, Distillation procedure)2007-07-27
EPA 350.3Ammonia by Ion Selective Electrode2007-07-27
EPA 351.1Nitrogen, Kjeldahl, Total (Colorimetric, Automated Phenate)2012-08-30
EPA 351.2Total Kjeldahl Nitrogen (TKN) by Semi-Automated Block Digestion and Colorimetry2007-07-27
EPA 351.2MModification of method for TKN2007-07-27
EPA 351.3Total Kjeldahl Nitrogen; Colorimetric; Titrimetric; Potentiometric2007-07-27
EPA 351.4Total Kjeldahl Nitrogen; Potentiometric, Ion Selective Electrode2007-07-27
EPA 352.1Nitrogen, Nitrate (Colorimetric, Brucine) by Spectrophotometer2021-12-03
EPA 353.1Nitrate-Nitrite by Colorimetric, Automated Hydrazine Reduction2007-07-27
EPA 353.1MModification of method for NO3-N2007-07-27
EPA 353.2Nitrate+Nitrite as Nitrogen (Colorimetric, Automated, Cadmium Reduction)2007-07-27
EPA 353.3Nitrate/Nitrite as Nitrogen (Spectrophotometric, Cadmium Reduction)2007-07-27
EPA 353.4Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis2024-02-23
EPA 354.1Nitrite as N by Spectrophotometry2007-07-27
EPA 3545_3640A_3620BMultiple extraction methods for sediment organics2007-07-27
EPA 3550CTest Methods for Evaluating Solid Waste: Ultrasonic Extraction2016-12-08
EPA 360.1Oxygen, Dissolved (Membrane Electrode)2017-03-08
EPA 360.2Dissolved Oxygen (Winkler)2007-07-27
EPA 365.1Lachat's Method: Method for Phosphorous (Colorimetric, Automated, Ascorbic Acid)2011-10-31
EPA 365.1, ASPILADetermination of Total Particulate Phosphorus (TPP) and Particulate Inorganic Phosphorus (PIP) in Fresh/Estuarine/Coastal Waters2018-02-01
EPA 365.1MModification of Lachat's Method: Method for Phosphorous (Colorimetric, Automated, Ascorbic Acid)2007-07-27
EPA 365.2Phosphorus All Forms (Colormetric, Acsorbic Acid, Single Reagant)2007-07-27
EPA 365.2MModification of Phosphorus All Forms (Colormetric, Acsorbic Acid, Single Reagant)1900-01-01
EPA 365.3Orthophosphate, Total Phosphate, all forms of phosphorus (Colormetric, Ascorbic Acid, Two Reagent)2007-07-27
EPA 365.3MModification of Orthophosphate, Total Phosphate, all forms of phosphorus (Colormetric, Ascorbic Acid, Two Reagent)2007-07-27
EPA 365.4Total Phosphorus (Colorimetric, Automated, Block Digester AA II)2007-07-27
EPA 365.5Determination of Orthophosphate in Estuarine and Coastal Waters by Automated Colorimetric Analysis2019-05-21
EPA 366.0Determination of Dissolved Silicate in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis2024-06-14
EPA 375.4Sulfate by Turbidity2012-06-04
EPA 376.2Sulfide (Colormetric, Methylene Blue)2014-12-16
EPA 405.1Biochemical Oxygen Demand (BOD) (5 days, 20 degrees C)2007-07-27
EPA 410.1Chemical Oxygen Demand (Titrimetric, Mid-Level)2017-05-25
EPA 410.2Chemical Oxygen Demand (Titrimetric, Low Level)2017-05-25
EPA 410.3Chemical Oxygen Demand (Titrimetric, High Level For Saline Waters)2014-04-01
EPA 410.4Chemical Oxygen Demand (Colorimetric, Automated; Manual)2007-07-27
EPA 413.1Oil And Grease (Gravimetric, Separatory Funnel Extraction)2017-05-25
EPA 413.2Oil And Grease (Spectrophotometric, Infrared)2017-05-25
EPA 415.1Total Organic Carbon/Dissolved Organic Carbon (combustion or oxidation) in water2007-07-27
EPA 415.1MModification of Total Organic Carbon/Dissolved Organic Carbon (combustion or oxidation) in water2007-07-27
EPA 415.2Total Organic Carbon in water (UV Promoted, Persulfate Oxidation)2017-03-13
EPA 415.3Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water.2011-10-19
EPA 415.3MModification of Determination of Total Organic Carbon and Specific UV Absorbance at 254 nm in Source Water and Drinking Water.2018-03-05
EPA 418.1Petroleum Hydrocarbons (Spectrophotometric, Infrared)2014-01-27
EPA 418.1MModification of Petroleum Hydrocarbons (Spectrophotometric, Infrared)2020-06-19
EPA 420.1Phenolics (Spectrophotometric, Manual 4-AAP with Distillation)2007-07-27
EPA 420.4Determination of total recoverable phenolics by semi-automated colorimetry2011-10-31
EPA 425.1Determination of surfactants, man-made surface active agents2007-07-27
EPA 440Elemental C and N by Combustion and Thermal Conductivity2007-07-27
EPA 440MModification of Elemental C and N by Combustion and Thermal Conductivity2012-08-30
EPA 4425Screening Extracts Of Environmental Samples For Planar Organic Compounds ( PAHs, PCBs, PCDDs/PCDFs) By A Reporter Gene On A Human Cell Line2012-05-23
EPA 445.0Chlorophyll by Fluorescence2007-07-27
EPA 445.0MModification of Chlorophyll a by Fluorescence2007-07-27
EPA 446.0In Vitro Determination of Chlorophylls a, b, c1 + c2 and Pheopigments in Marine And Freshwater Algae by Visible Spectrophotometry2013-05-21
EPA 502.2Volatile Organic Compunds in Water by Purge and Trap Capillary Column Gas Chromatograhpy with Photoionization and Electrolytic Conductivity Detectors in Series2017-04-12
EPA 503/8-9-001Evaluation of Dredged Material Proposed for Ocean Disposal2012-08-30
EPA 5030CPurge-and-Trap for Aqueous Samples2019-04-23
EPA 504.11,2-Dibromoethane (EDB), 1,2- Dibromo-3-Chloro-propane (DBCP), and 1,2,3-Trichloropropane (123TCP) in Water by Microextraction and Gas Chromatography2022-11-11
EPA 504MModification of 1,2-Dibromoethane (EDB) and 1,2- Dibromo-3-Chloropropane (DBCP) in Water by Microextraction and Gas Chromatography2019-12-10
EPA 505 v2.1Analysis of Organohalide Pesticides and Commercial Polychlorinated Biphenyl (PCB) Products in Water by Microextraction and Gas Chromatography Revision 2.12024-02-29
EPA 507Determination of Nitrogen - and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector2007-07-27
EPA 508Determination of Chlorinated Pesticides in Water by Gas Chromatography with an Electron Capture Detector2018-07-30
EPA 515.3Determination of chlorinated acids in drinking water by liquid-liquid extraction, derivatization and gas chromatography with electron capture detection2011-06-01
EPA 515.4Determination of Chlorinated Acids in Drinking Water by Liquid-liquid Microextraction Derivatization and Fast Gas Chromatography With Electron Capture Detection REV1.02019-03-11
EPA 521Determination of Nitrosamines in Drinking Water by Solid Phase Extraction and Capillary Column Gas Chromatography with Large Volume Injection and Chemical Ionization Tandem Mass Spectrometry (MS/MS)2017-03-08
EPA 524.2Purgeable organic compounds in water by capillary column GC/MS2007-07-27
EPA 524MModification of the determination of 1,2,3-Trichloropropane in drinking water by purge and trap gas chromatography/mass spectrometry2016-12-23
EPA 525.2Determination of organic compounds in drinking water by liquid-solid extraction and capillary column gas chromatography/mass spectrometry2011-10-13
EPA 525.2MModification of Organic compounds in drinking water by liquid-solid extraction and capillary column gas chromatography/mass spectrometry2014-10-27
EPA 525.3Determination of Semivolatile Organic Chemicals in Drinking Water by Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry (GC/MS)2018-08-20
EPA 525.3_SIMDetermination 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)2018-08-20
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)2021-12-09
EPA 531.1Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in water by direct aqueous injection HPLC with post column dericatization2012-08-30
EPA 531.2Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Postcolumn Derivatization2022-11-18
EPA 532Determination of phenylurea compounds in drinking water by solid phase extraction and high performance liquid chromatography with UV detection2016-01-22
EPA 532MModification of determination of phenylurea compounds in drinking water by solid phase extration and high perfromance liquid chromatography with UV detection2011-10-13
EPA 537DETERMINATION OF SELECTED PERFLUORINATED ALKYL ACIDS IN DRINKING WATER BY SOLID PHASE EXTRACTION AND LIQUID CHROMATOGRAPHY/TANDEM MASS SPECTROMETRY (LC/MS/MS)2018-10-16
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)2020-07-23
EPA 538Determination of Selected Organic Contaminants in Drinking Water by Direct Aqueous Injection-Liquid Chromatography/Tandem Mass Spectrometry (DAI-LC/MS/MS)2019-01-23
EPA 539Determination of Hormones in Drinking Water by Solid Phase Extraction (SPE) and Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry (LC-ESI-MS/MS)2018-10-16
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, 20152016-08-11
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, 20152016-08-11
EPA 547Determination of Glyphosphate in drinking water by direct-aqueous injection, HPLC post column derivitization & fluorescence detection2007-07-27
EPA 547MModification of Determination of Glyphosphate in drinking water by direct-aqueous injection, HPLC post column derivitization & fluorescence detection2007-07-27
EPA 548.1Determination of Endothall In Drinking Water by Ion-Exchange Extraction, Acidic Methanol Methylation and Gas Chromatography/Mass Spectrometry1900-01-01
EPA 549.2Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and HPLC With Ultraviolet Detection2013-09-16
EPA 549.2MModification of Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and HPLC With Ultraviolet Detection2007-07-27
EPA 551.1Polycyclic Aromatic Hydrocarbons in Drinking Water by Liquid-Solid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection.2012-08-30
EPA 600/4-85-013EPA 600/4-85-013, EPA 1985; Methods for measuring the acute toxicity of effluents to freshwater and marine organisms2012-08-30
EPA 600/4-90-027FEPA 600/4-90-027F, EPA 1993: Acute Toxicity Test:Hyalella Azteca, Ceriodaphnia, Pimephales, Mysids, old reference2007-07-27
EPA 600/4-90-027FMModification of EPA 600/4-90-027F, EPA 1993: Acute Toxicity Test:Hyalella Azteca, Ceriodaphnia, Pimephales, Mysids, old reference2007-07-27
EPA 600/4-91-002EPA 600/4-91-002, EPA 1994: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, old reference2007-07-27
EPA 600/4-91-002MModification of EPA 600/4-91-002, EPA 1994: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, old reference2007-07-27
EPA 600/4-91-003EPA 600/4-91-003: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum2012-08-30
EPA 600/4-95-136EPA 600/R-95-136, EPA 1995: Marine Chronic Test: Atherinops, Mytilus, Strongylocentrotus (development & fertilization), Holmesimysis2012-08-30
EPA 600/R-01-067Short Term Test Method for Assessing the Reproductive Toxicity of Endrocrine-Disrupting Chemicals Using the Fathead Minnow (Pimephales Promelas)2018-10-16
EPA 600/R-94-025EPA 600/R-94/025, EPA 2000:Estuarine and Marine Amphipod Toxicity Test:Eohaustorius estuarius sediment 10 day2007-07-27
EPA 600/R-94-134Determination of Asbestos Structures Over 10um in Length in Drinking Water; same as Method 100.22012-01-25
EPA 600/R-95-136EPA 600/R-95-136, EPA 1995: Marine Chronic Test: Atherinops, Mytilus, Strongylocentrotus (development & fertilization), Holmesimysis2007-07-27
EPA 600/R-95-136MModification of EPA 600/R-95-136, EPA 1995: Marine Chronic Test: Atherinops, Mytilus, Strongylocentrotus (development & fertilization), Holmesimysis2007-07-27
EPA 600/R-99-064EPA 600/R-99-064, EPA 2000: Methods for Measuring the Toxicity and Bioaccumulation of Sediment-associated Contaminants with Freshwater Invertebrates?Second Edition ? Hyalella sediment 10 day and 28 day and freshwater amphipods, cerio and hyalella2009-09-02
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 Invertebrates?Second Edition ? Hyalella sediment 10 day and 28 day and freshwater amphipods, cerio and hyalella2009-09-02
EPA 6010Metals by ICP2016-06-03
EPA 6010AMetals by ICP2007-07-27
EPA 6010BMetals by ICP - Inductively coupled plasma - atomic emission spectrometry2007-07-27
EPA 6010CMetals by ICP - Inductively coupled plasma - atomic emission spectrometry2016-03-14
EPA 6020Metals by ICP-MS2007-07-27
EPA 6020AMModification of Metals by ICP-MS2012-08-30
EPA 6020BInductively Coupled Plasma-Mass Spectrometry2017-05-30
EPA 6020BMModification of Metals by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)2018-07-09
EPA 6020mModification of Metals by ICP-MS2012-01-11
EPA 604Phenols2017-01-12
EPA 604MPhenols liquid-liquid extraction, modified by using liquid chromatography mass spectrometry instead of gas chromatography flame ionization detector2007-07-27
EPA 608Extraction of Organochlorine Pesticides and Polychlorinated Biphenyls from Wastewater2012-08-30
EPA 608.3Organochlorine Pesticides and PCBs by GC/HSD2020-01-14
EPA 608MModification of Extraction of Organochlorine Pesticides and Polychlorinated Biphenyls from Wastewater2007-07-27
EPA 610Polynuclear Aromatic Hydrocarbons in Municipal and Industrial Wastewater2007-11-30
EPA 614Determination of Organophosphorus Pesticides in Municipal and Industrial Wastewater2014-03-25
EPA 615The Determination of Chlorinated Herbicides in Municipal and Industrial Wastewater2012-05-09
EPA 619Determination of Triazine Pesticides in Industrial and Municipal Wastewater2007-07-27
EPA 619MModification of Determination of Triazine Pesticides in Industrial and Municipal Wastewater2007-07-27
EPA 624VOAs and Semi-VOAs by Gas Chromatograph/Mass Spectrometer (GC/MS)2012-08-30
EPA 624.1Purgeables by GC/MS2020-10-07
EPA 624MModification of VOAs and Semi-VOAs by Gas Chromatograph/Mass Spectrometer (GC/MS)2018-02-13
EPA 625Base/Neutrals and Acids2011-12-28
EPA 625.1Base/Neutrals and Acids by GC/MS2020-09-21
EPA 625.1_MRMBase/Neutrals and Acids and Multiple Reaction Mode2022-12-05
EPA 625.1_NCIBase/Neutrals and Acids-NCI2021-04-19
EPA 625.1_SIMBase/Neutrals and Acids and selected ion monitoring (SIM)2020-10-07
EPA 625.1MModification of Base/Neutrals and Acids2020-09-03
EPA 625.1M_MRMModification of?Base/Neutrals and Acids and Multiple Reaction Mode2020-07-10
EPA 625.1M_NCIModification of Base/Neutrals and Acids-NCI2020-07-10
EPA 625_MRMBase/Neutrals and Acids and Multiple Reaction Mode2019-02-22
EPA 625_SIMBase/Neutrals and Acids and selected ion monitoring (SIM)2016-12-23
EPA 625MModification of Base/Neutrals and Acids2010-11-04
EPA 625M_SIMModification of Base/Neutrals and Acids and selected ion monitoring (SIM)2016-12-23
EPA 625M-NCIModification of Base/Neutrals and Acids-NCI2012-05-31
EPA 625-NCIBase/Neutrals and Acids-NCI2019-06-10
EPA 630Determination of Dithiocarbamate Pesticids in Municipal and Industrial Wastewater2012-08-30
EPA 632Determination of Carbamate and Urea Pesticides in Industrial and Municipal Wastewater using liquid chromatography mass spectrometry2011-01-06
EPA 632MModification of Determination of Carbamate and Urea Pesticides in Industrial and Municipal Wastewater using liquid chromatography mass spectrometry2007-07-27
EPA 633The Determination of Organonitrogen Pesticides in Municipal and Industrial Wastewater 2018-03-21
EPA 633MModification of Determination of Organonitrogen Pesticides in Municipal and Industrial Wastewater2019-02-04
EPA 6850Determination of Perchlorate Using High Performance Liquid Chromatography/Mass Spectrometry (LC/MS)2007-07-27
EPA 7060Arsenic (Atomic Absorption, Furnace Technique)2012-05-03
EPA 7062/7742Standard Method for Dissolved Arsenic in Solid Waste (7062)/Dissolved Selenium in Solid Waste (7742)2016-12-06
EPA 7196ADetermination of Hexavalent Chromium (Colormetric)2013-11-11
EPA 7199Determination of Hexavalent Chronium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography2016-08-19
EPA 7374Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotometry2012-08-30
EPA 7470AMercury in liquid water (Manual cold-vapor technique)2007-07-27
EPA 7471AMercury in solid or semisolid waste (manual cold-vapor technique)2012-08-30
EPA 7471BMercury in Solid or Semisolid Waste (Manual Cold-Vapor Technique)2013-02-21
EPA 7473Mercury in solids and solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotemetry2007-11-30
EPA 7473MModification of EPA 7473 Mercury in solids and solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotemetry2012-08-30
EPA 7740Selenium (Atomic Absorption, Furnace Technique)2012-05-03
EPA 7742Selenium - Automic Absorption, Gaseous Hydride2007-07-27
EPA 7742MModification of Selenium - Automic Absorption, Gaseous Hydride2007-07-27
EPA 8015BNonhalogenated Organics Using GC/FID2014-05-01
EPA 8015BMModification of Nonhalogenated Organics Using GC/FID2016-08-19
EPA 8015CNonhalogenated Organics by GC/FID2013-12-12
EPA 8015DNonhalogenated Organics Using GC/FID2019-05-31
EPA 8041APhenols by Gas Chromatography2016-06-13
EPA 8080Organochlorine Pesticides and Polychlorinated BiPhenyls by Gas Chromatography2012-06-13
EPA 8080AOrganochlorine Pesticides And Polychlorinated Biphenyls By Gas Chromatography2017-04-12
EPA 8081Extraction of Organochlorine Pesticides in Water2011-06-01
EPA 8081AOrganochlorine Pesticides by GC/ECD, Draft Update IVA2010-04-27
EPA 8081AMModification of Organochlorine Pesticides by GC/ECD, Draft Update IVA2007-07-27
EPA 8081BOrganochlorine Pesticides by GC/ECD, Draft Update IVB2014-01-06
EPA 8081BMModification of Organochlorine Pesticides by GC/ECD, Draft Update IVB2007-07-27
EPA 8081MModification of Extraction of Organochlorine Pesticides in Water2016-06-10
EPA 8082Polychlorinated Biphenyls (PCBs) by Gas Chromatography2012-08-30
EPA 8082APolychlorinated Biphenyls by Gas Chromatography2013-11-11
EPA 8082MModification of Polychlorinated Biphenyls as Congeners or Arclors by GC/ECD or GC/ELCD2007-07-27
EPA 8140AOrganophosphorus Pesticides capillary method by GC/FPD or GC/NPD2007-07-27
EPA 8141Organophosphorus Pesticides capillary method by GC/FPD or GC/NPD2015-05-14
EPA 8141AOrganophosphorus Pesticides capillary method by GC/FPD or GC/NPD2007-07-27
EPA 8141AMModification of Organophosphorus Pesticides capillary method by GC/FPD or GC/NPD2007-07-27
EPA 8141BOrganophosphorus Compounds by GC/FPD or GC/NPD2014-01-06
EPA 8151Chlorinated Herbicides by GC Using Methylation or Pentafluroobenzylation Derivatization:Capillary Column Technique, Revision 02015-09-11
EPA 8151AChlorinated Herbicides by GC using Methylation or Pentafluorobenzylation Derivitization2007-07-27
EPA 8151AMModification of Chlorinated Herbicides by GC using Methylation or Pentafluorobenzylation Derivitization2011-01-06
EPA 821/R-02-012EPA 821/R-02-012, EPA 2002a: Acute Toxicity Test:Hyalella, Ceriodaphnia, Pimephales, Mysids, current reference2007-07-27
EPA 821/R-02-012MModification of EPA 821/R-02-012, EPA 2002a: Acute Toxicity Test:Hyalella, Ceriodaphnia, Pimephales, Mysids, current reference2007-07-27
EPA 821/R-02-013EPA 821/R-02-013, EPA 2002: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, current reference2007-07-27
EPA 821/R-02-013MModification of EPA 821/R-02-013, EPA 2002: Freshwater Chronic Test: Ceriodaphnia, Pimephales, Selenastrum, current reference2007-07-27
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)2012-08-30
EPA 821/R-91-100Determination of acid volatile sulfide and selected simultaneously extractable metals in sediment2016-03-14
EPA 8260Volatile Organic Compounds by GC/MS2007-07-27
EPA 8260BVolatile Organic Compounds by GC/MS, Update B2009-08-19
EPA 8260BMModification of Volatile Organic Compounds by GC/MS, Update B2018-03-21
EPA 8270 SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring2018-04-17
EPA 8270BSemivolatile Organic Compounds by GC/MS2022-06-08
EPA 8270CSemivolatile Organic Compounds by GC/MS2007-07-27
EPA 8270C SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring2013-08-07
EPA 8270C_NCISemivolatile Organic Compounds by GC/MS with negative chemical ionization2017-06-15
EPA 8270CMModification of Semivolatile Organic Compounds by GC/MS2011-08-30
EPA 8270DSemi-Volatile Organic Compounds by GC/MS Triple Quad2015-12-17
EPA 8270D SIMSemivolatile Organic Compounds by GC/MS selective ion monitoring2016-03-14
EPA 8270D_MRMSemivolativle Organic Compounds by GC/MS and Multiple Reaction Mode2019-05-21
EPA 8270D_NCISemivolatile Organic Compounds by GC/MS with negative chemical ionization Final Update VB2016-03-17
EPA 8270DM_PAHModification of Semi-Volatile Organic Compounds by GC/MS Triple Quad, optimized for PAH target analytes2015-10-16
EPA 8270ESemivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry2020-12-11
EPA 8270E_NCISemivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry (GC-MS) with negative chemical ionization2022-12-15
EPA 8270M_NCIModification of Semivolatile Organic Compounds by GC/MS with negative chemical ionization2011-10-03
EPA 8270M_PAHModification Semi-Volatile Organic Compounds by GC/MS, with surrogates and internal standards substituted that are optimized for PAH target analytes2011-10-03
EPA 8290Polychlorinated Dibenzodioxins (PCDDs) and Polycholorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography/High-Resolution Mass Spectrometry (HRGC/HRMS)2017-12-26
EPA 8290APolychlorinated Dibenzodioxins (PCDDs) and Polychlorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography/High Resolution Mass Spectrometry (HRGC/HRMS)2018-03-21
EPA 8310Polynuclear Aromatic Hydrocarbon determination by HPLC2015-03-02
EPA 8310MModification of Polynuclear Aromatic Hydrocarbon determination by HPLC2007-07-27
EPA 8315MCarbonyl Compounds by High Performance Liquid Chromatography (HPLC)2012-08-30
EPA 8318Methylcarbamates by High Performance Liquid Chromatography (HPLC)2019-06-03
EPA 8321ASolvent-Extractable Nonvolatile Compounds by High-Performance Liquid Chromatography/Thermospray/Mass Spectrometry (HPLC/TS/MS) or Ultraviolet (UV) Detection2011-05-23
EPA 8321AMModification of SOLVENT-EXTRACTABLE NONVOLATILE COMPOUNDS BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY/THERMOSPRAY/MASS SPECTROMETRY (HPLC/TS/MS) OR ULTRAVIOLET (UV) DETECTION2011-05-26
EPA 8323MModification of Determination of Organotins by Micor-Liquid Chromatography-Electrospray Ion Trap MS, sediment and tissue2007-07-27
EPA 8330Nitroaromatics, Nitramines, and Nitrate Esters By High Performance Liquid Chromatography (HPLC)2019-12-18
EPA 900.0Gross Alpha and Gross Beta Radioactivity in Drinking Water2014-07-23
EPA 9012ATotal and Amenable Cyanide (Automated Colorimetric, with Off-Line Distillation)2013-11-08
EPA 9012BTotal and Amenable Cyanide (Automated Colorimetric with off-line Distillation)2014-01-06
EPA 903.1Radium-226 in Drinking Water Radon Emanation Technique2014-07-23
EPA 9030BAcid-Soluble and Acid-Insoluble Sulfides: Distillation2022-11-18
EPA 9034Titrimetric Procedure for Acid-Soluble and Acid-Insoluble Sulfides2017-05-30
EPA 9038Sulfate (Turbidimetric)2019-12-18
EPA 9040BpH Electrometric Measurement2017-05-10
EPA 905.0Radioactive Strontium in Drinking Water2014-07-23
EPA 9056Determination of inorganic anions by ion chromatography2017-05-25
EPA 906.0Tritium in Drinking Water2014-07-23
EPA 9060Total Organic Carbon in sediments2007-07-27
EPA 9060ATotal Organic Carbon in sediments, Update A2007-07-27
EPA 9060AMModified Total Organic Carbon in sediments, Update A2012-08-30
EPA 9060MModified Total Organic Carbon in sediments2012-08-30
EPA 9071B n-Hexane Extractable Material (HEM) for Sludge, Sediment, and Solid Samples2013-11-11
EPA 9071B?n-Hexane Extractable Material (HEM) for Sludge, Sediment, and Solid Samples2014-01-06
EPA Method BMModification of Bacteroidales in Water by TaqMan Quantitative Polymerase Chain Reaction (qPCR) Assay June 20102018-06-06
EPA Ra-05Radiochemical precipitation; count for beta in a low background proportional counter2016-12-23
EPA1682Boehm_MModification of Salmonella in Sewage Sludge (Biosolids) by Modified Semisolid Rappaport-Vassiliadis (MSRV) Medium July 2006, Boehm2014-07-29
ESS 150.1Chlorophyll, spectophotometric method2007-07-27
EuroFins L304Direct Analysis of Selected Pesticides by LC/ESI/MS/MS2024-10-22
EuroFins L306Direct Analysis of Selected Turfgrass Pesticides by LC/MS/MS2021-10-19
EuroFins S150Analysis of Turf Grass Semivolatile Organic Compounds by Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry2021-10-19
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 Tandem2022-03-30
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 42022-04-06
FDA 99D-4488 and 448999D-4488 Reducing microbial food safety hazards for sprouted seeds and 99D-4489 Sampling & microbial testing of spent irrigation water2010-10-07
FDEP, 2008Analysis of Methyl Mercury in Sediment and Tissue by KOH/CH3OH Digestion Followed by Aqueous Phase Ethylation 2012-08-30
Feng, et al., 2018Feng, Bootsma, McLellan, 2018, "Human-Associated Lachnospiraceae Genetic Markers Improve Detection of Fecal Pollution Sources in Urban Waters", Applied and Environmental Microbiology 84.14: e00309-182021-12-06
FGS-010Frontier Geosciences: KOH/Methanol Digestion of Solids for Methyl Mercury Digestion of Solids for Methyl Mercury Frontier Geosciences: Digestion of Solids for Methyl Mercury2012-08-30
FGS-013.2Frontier Geosciences: Distillation of Aqueous Samples for Methyl Mercury2012-08-30
FGS-049.4Frontier Geosciences: Iron2017-03-08
FGS-054.4Frontier Geosciences: Metals by ICP/MS2017-03-08
FGS-055.2Frontier Geosciences: Determination of Selenium Species in Water by Hydride Generation, Atomic Fluorescence Spectrometry2012-08-30
FGS-069.2Frontier Geosciences: Mercury2017-03-08
FGS-070.1Frontier Geosciences: Standard Operating Procedures for the Analysis of Methylmercury in Environmental Samples2012-08-30
FGS-070.2Frontier Geosciences: Standard Operating Procedures for the Analysis of Methylmercury in Environmental Samples2017-03-08
FGS-CALFED.D12.mmHg-wat-DistilStandard Operating Procedures for the Analysis of Mercury and Methylmercury in Environmental Samples2012-08-30
FieldMeasureNumeric measurements made in the field with a piece of equipment2007-07-27
FieldObservationsCategorical descriptions made in the field by observation2007-07-27
FIMS Hg Rev 4Atomic spectroscopy for mercury in fish tissue and bird eggs2012-08-30
Foss and Aubel, 2015Foss and Aubel, 2015. Using the MMPB technique to confirm microcystin concentrations in water measures by ELISA and HPLC (UV, MS, MS/MS). Toxicon 104, 91-101.2019-03-20
Foss and Aubel, 2015 MModificaiton of Foss and Aubel, 2015. Using the MMPB technique to confirm microscystin concentrations in water measures by ELISA and HPLC (UV, MS, MS/MS). Toxicon 104, 91-101.2019-04-12
Foss, et al., 2018Foss, Butt, Aubel, 2018, Benthic periphyton from Pensylvania, USA is a source for both hepatotoxins (microcycstins/nodularin) and neurotoxins (anatoxin-a/homanatoxin-a), Toxicon 150: 13-162020-03-20
FR 8507Nitrite Federal Register, 44(85) 255052007-07-27
GEN-PSP Rev 06Standard Operating Procedure - Particle Size Deternination, Rev 62012-08-30
Green, et al., 2012_AEMGreen, H.C., Dick, L.K., Gilpin, B., Samadpour, M. and Field, K.G., 2012. Genetic markers for rapid PCR-based identification of gull, Canada goose, duck, and chicken fecal contamination in water. Applied and environmental microbiology, 78(2), pp.503-510.2023-01-13
Green, et al., 2014_AEMGreen, H.C., Haugland, R.A., et al., 2014. Improved HF183 quantitative real-time PCR assay for characterization of human fecal pollution in ambient surface water samples. Applied and environmental microbiology, 80(10), pp.3086-3094.2023-01-13
Green, et al., 2014_ESTGreen, H.C., White, K.M., Kelty, C.A. and Shanks, O.C., 2014. Development of rapid canine fecal source identification PCR-based assays. Environmental science & technology, 48(19), pp.11453-11461.2023-01-13
Green, et al., 2014_M_ddPCRModification of Green, et al., 2014., ?Development of rapid canine fecal source identification PCR-based assays.? Environmental science & technology, 48(19), pp.11453-11461-ddPCR2022-03-04
Gull2TaqMan_SIPPSIPP SOP for QPCR Gull-2 assay2014-07-29
Hach Method 10071Hach Method 10071 Total Nitrogen Test and Tube Persulfate Digestion Method2015-01-15
Hach Method 10205Hach Method 10205 Spectrophotometric Measurement of Ammonia-Nitrogen and Total Kjeldahl Nitrogen (TKN) in Water and Wastewater2021-11-16
Hach Method 10206Spectrophotometric Measurement of Nitrate in Water and Wastewater2016-08-15
Hach Method 10208_LRHach Method 10208 Total Nitrogen Persulfate Digestion Method, TNTplus 8262021-12-01
Hach Method 10209/10210_LRHach Method 10209/10210 Reactive (Orthophosphate) and Total Phosphorus Ascorbic Acid Method, TNTplus 8432021-12-01
Hach Method 8000Hach Method 8000 Chemical Oxygen Demand2017-03-08
Hach Method 8038Hach Method 8038 Ammonia as Nitrogen2012-05-03
Hach Method 8048Hach Method 8048 Orthophosphate (SRP)2012-05-03
Hach Method 8190Hach Method 8190 Total Phosphorus2014-06-09
Hach Method 8192Hach Method 8192 Nitrate Cadmium Reduction Method2024-10-04
Hach Method 8507Hach Method 8507 Nitrite as Nitrogen2012-05-03
Hansell and Carlson, 2001Biogeochemistry of total organic carbon and nitrogen in the Sargasso Sea: Control by convective overturn2012-08-30
Hladik and Calhoun, 2012Hladik and Calhoun, "Analysis of the herbicide diuron, three diuron degradates, and six neonicotinoid insecticides in water - Method details and application to two Georgia streams", U.S. Geological Survey Scientific Investigations Report 2012-5206, 10p.2016-08-09
Hladik and McWayne, 2012Hladik, M.L., and McWayne, M.M., "Methods of analysis?Determination of pesticides in sediment using gas chromatography/mass spectrometry", U.S. Geological Survey Techniques and Methods 5?C3, 18 p.2017-05-18
Hladik, et. al., 2008M.L. Hladik, et. al., "A multi-residue method for the analysis of pesticides and pesticide degradates in water using HLB solid-phase extraction and gas chromatography", Bull. Environ. Contam. Toxicol., Vol. 80(2):139-44, 20082016-08-09
HookHook and Line2007-12-07
HorseConv_SIPPSIPP SOP for QPCR Horse Bacteriodales2014-07-29
Huff Hartz et al., 2021Extraction of pyrethroids and chlorpyrifos from freeze-dried sediment and from Hyalella azteca with solid-phase extraction cleanup and analysis by gas chromatography/mass spectroscopy in methane neg. chemical ionization mode, Ecotox., 2021 (30), 514-523 2021-10-29
HumM2_SIPPSIPP SOP QPCR Human Bacteriodales -2 assay2014-07-29
ICRICR method for cryptosporidium and giardia by filtration, flotation, and immunofluorescence microscopy2007-07-27
JACR97_3247-3272"Chemical Reviews_used by DFG-WPCL 1997, 97,3247-3272 Institute of Applied physical chemistry, Research center GmbH, Germany"2007-07-27
KahnMDetermination of Total Organic Carbon in Sediment, modification Hedges and Stern 1984 acidification hydrochloric acid2008-01-01
KCEL SOP 440King County Environmental Laboratories proprietary SOP for the analysis of Microcystin compounds2017-06-15
KCEL SOP 469King County Environmental Laboratories proprietary SOP for the analysis of Total Microcystins2017-06-15
Krone, et al., 1989Cheryl A. Krone, et al., " A Method for Analysis of Butyltin Species and Measurement of Butyltins in Sediment and English Sole Livers from Puget Sound, ?Marine Environmental Reasearch, Volume 27, Issue 1, 1989, Pages 1-182014-01-06
Lachat 31-107-04-1-CLachat 31-107-04-1-C Nitrate as Nitrogen2012-05-03
LACSD SOP-15-013Los Angeles County Sanitation Districts SOP-15-013 for total lipids2020-12-11
Lane et al. 2010Application of SPATT for field detection of the hydrophilic phycotoxins domoic acid and saxitoxin2018-12-19
LeaSeagull_SIPPSIPP Lea SOP for QPCR Seagull Bacteriodales2014-07-29
MARPCN IHigh temperature combustion method2012-05-15
Matthes, 1992Quality-Assurance Plan for the Analysis of Fluvial Sediment by Laboratories of the U.S. Geological Survey2012-08-30
Mazor, et al., 2015Mazor, R.D., P.R. Ode, A.C. Rehn, M. Engeln, T. Boyle, E. Fintel, S. Verbrugge, and C. Yang. 2015. The California Stream Condition Index (CSCI): Interim instructions for calculating scores using GIS and R. SCCWRP Tech Report 883. SWAMP-SOP-2015-00042016-06-21
MBARI TRNo90-2MBARI Procedures for Automated Nutrient Analyses Using a Modified Alpkem Series 300 Rapid Flow Analyzer, Tech. Rpt. 90-2, rev. 10/902007-07-27
MBAS SOP SM 4500 NH3 BCMBAS SOP for Ammonia-Nitrogen2016-08-03
MCA 1.0Penoxsulam?by HPLC2011-10-13
MCA_LCMS O Fipronil R00McCampbell Analytical Fipronils in Sediment by LC-MS-MS EI Mode, Rev 002024-05-29
Mehinto et al. 2015Interlaboratory comparison of in vitro bioassays for screening of endocrine active chemicals in recycled water2021-05-06
Mekebri, et al., 2009Mekebri, et al., Method Validation of Microcystins in Water and Tissue by Enhanced Liquid Chromatography Tandem Mass Spectrometry, 20092012-05-03
METH010.00Analysis of Whole Sample Suspended Sediments in Water, CDFA2017-05-19
METH011.00Dissolved Organic Carbon, BOG/USGS2015-06-01
METH013.00Sediment TOC analysis using Shimadzu TOC-VCSN and SSM-5000A, CDFA2017-05-19
Microbics 1992Application of bioluminescence-based microbial biosensors to the ecotoxicity assessent of organotins2012-05-23
Miezkin et al., 2009_M_ddPCRModification of Mieszkin, S., et al, 2009. ?Estimation of pig fecal contamination in a river catchment by real-time PCR using two pig-specific Bacteroidales 16S rRNA genetic markers.? Applied and environmental microbiology, 75(10), pp.3045-3054-ddPCR2022-03-25
MLML SOP OCMLML SOP OC, Combusted at <800 degrees C using Control Equipment, 440 Elemental Analyzer" update Method on file to "(see document OC METHOD2.pdf in metadata)2012-05-03
MLML-TM %SolidsMoss Landing Marine Labs Procedures for Determining % Solids2012-08-30
MLML-TM TOC/TNHunter, Craig. 1995-2008. Sediment Total Organic Carbon Method. Moss Landing Marine Laboratories2012-08-30
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 22021-10-05
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 32023-07-05
MPSL-108v4Gravimetric Determination of Solids (ASTM D-3977, SM 2540C, D and E) revision 42024-09-20
MPSL-109Methylmercury in Tissues2012-08-30
MPSL-113Sediment Grain Size Analysis2018-01-09
MPSL-114Determination of Ash Free Dry Mass in Periphyton2018-09-10
MPSL-115Benthic Chlorophyll a in Marine and Fresh Water by Fluorescence2018-09-10
MPSL-120Determination of Trace Metals in Tissues by ICP-MS2023-11-30
MPSL-DFG Se Rev 5Hydride Vapor Generation Atomic Absorption2012-08-30
Muller et al., 2001Muller S, Huggett DB, Rodgers, "Effects of copper sulfate on Typha latifolia seed germination and early seedling growth in aqueous and sediment exposures", Archives Environmental Contamination Toxicology 40:192-197, 20012012-08-30
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) 34,429-4382013-03-13
NCL ME 272Nonylphenols by reversed phase HPLC using UV detection2011-05-26
NCL ME 277Analytical Methodology for the analysis of Fluridone in Water2012-06-27
NCL ME 299Aminopyralid by HPLC/MS/MS2011-01-06
NCL ME 321Solid Phase Extraction of Assorted Pesticides in Water by HPLC/MS/MS2012-06-27
NCL ME 326Aquatic Herbicides in Water by LC-MS-MS2017-12-12
NCL ME 337Benzobicyclon and Metabolite B in Water2017-12-12
NCL ME 340Assorted Pesticides in Water by LC/MS/MS 2018-03-21
NCL ME 342Neonicotinoids and other Pesticides in Water by LC/MS/MS2018-09-13
NERL 440.0Analysis of Carbon and Nitrogen in Sediments and Particulates using Elemental Analysis2012-08-30
Neutral Buoyant ObjectNeutral Buoyant Object method used for measuring stream discharge2009-12-10
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, 19882007-07-27
NOAALipids1993Determination of Percent Lipid in Tissue (NOAA Sampling and Analytical Methods of the National Status and Trends Program, Mussel Watch Project: 1993-1996 Update)2015-12-03
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 solvent2019-10-31
NoneNo Method2007-07-27
Not RecordedNot recorded2007-07-27
Not Recorded_10dayMethod not recorded for 10 day BOD analysis2007-10-05
Not Recorded_5dayMethod not recorded for 5 day BOD analysis2007-10-05
ObservedFieldMeasureNumeric Measurements made in the field by observation2007-07-27
OceanConservancy_CoastalCleanupOcean Conservancy Protocols for Coastal Cleanup Day (CleanSwell (https://oceanconservancy.org/trash-free-seas/international-coastal-cleanup/cleanswell/); TIDES (https://oceanconservancy.org/wp-content/uploads/2017/04/OC-DataCards_volunteerFINAL_ENG.pdf)2022-11-11
PFAS by DoD QSM Version 5.3PFAS by LCMSMS (QSM 5.3 Table B-15 Compliant)2023-10-12
PHAB_software_v0.xIndex of Physical-habitat Integrity (IPI) calculation software version 0.x for bioassessment stream health index based on physical habitat data2021-01-26
Physis SOP 5310B-Direct MethodPhysis SOP 5310B-Direct Method for the Determination of Total Nitrogen2020-10-09
PHYSISLIPIDSPhysis SOP percent Lipids in Tissue2021-10-22
Pig2Bact_SIPPSIPP SOP for QPCR Pig Bacteriodales-2 assay2014-07-29
Plumb, 1981, AVSPlumb method for acid volatile sulfides (AVS) described in Plumb 19812010-05-11
Plumb, 1981, GSPlumb method for grainsize described in Plumb 19812010-05-11
PSEPPuget Sound Estuary Protocol2013-10-30
QC 10107041ADetermination of Nitrate/Nitrite in Surface and Wastewaters by Flow Injection Analysis; low-flow method, Lachat QuikChem2012-07-24
QC 10107041BNitrate/Nitrite: Lachat QuikChem Flow Injection Analyzer Method2012-10-31
QC 10107044BTotal Nitrogen: Lachat QuikChem Flow Injection Analyzer Method by persulfate digestion2009-11-17
QC 10107061GNitrogen (Ammonia): Lachat QuikChem Flow Injection Analyzer Method2007-07-27
QC 10107062ETotal Kjeldahl Nitrogen by Lachat QuikChem Flow Injection Analyzer Method2007-07-27
QC 10107063BDetermination of Ammonia in Surface Water and Wastewater by Flow Injection Analysis by Scott Stieg, 1/26/99, Zellweger Analytics Inc., Lachat Instrument Division, Milwaukee, WI.2012-07-24
QC 10107063BMModification of Determination of Ammonia in Surface Water and Wastewater by Flow Injection Analysis by Scott Stieg, 1/26/99, Zellweger Analytics Inc., Lachat Instrument Division, Milwaukee, WI.2012-07-24
QC 10114271ADissolved Silica: Lachat QuikChem Flow Injection Analyzer Method2007-07-27
QC 10115011ADetermination of Orthophosphate by Discrete Analysis. Molybdate based method. Lachat QuikChem2016-09-19
QC 10115011AMModification of Determination of Orthophosphate by Discrete Analysis. Molybdate based method. Lachat QuikChem2012-07-24
QC 10115011DTotal Phosphate as P: Lachat QuikChem Flow Injection Analyzer Method by Kjeldahl digestion2007-07-27
QC 10115011MModification of Orthophosphate Lachat QuikChem Flow Injection Analyzer Method2007-07-27
QC 10115011PMModification of Orthophosphate; Molybdate based method; Low-flow method Lachat QuikChem2012-07-24
QC 10115012BTotal Phosphate as P: Lachat QuikChem Flow Injection Analyzer Method by persulfate digestion2011-06-13
QC 10301311BHardness Lachat QuikChem Flow Injection Analysis Colorimetry2007-07-27
QC 10303311AAlkalinity Lachat QuikChem Flow Injection Analyzer Method2007-07-27
QC 10308001AColor by Lachet QuikChem Flow Injection Analysis2012-08-30
QC 31114271DSilicate; Molybdate reactive; Brackish or seawater matrix Lachat QuikChem2012-07-24
QLB 1996QwikLite Basics 1996; Method of detection measuring light reduction from bioluminescent dinoflagellates following exposure to a toxicant2012-05-23
QuantiPlate EP 022 AEnvirologix QuantiPlate Kit for Microcystins EP 0222014-11-12
RBA Abraxis 520050Anatoxin-A by RBA (Abraxis PN 520050)2016-10-17
ReferenceCalcCalculated value cited from an outside reference2013-10-22
Riparian RAM v1.5Riparian Rapid Assessment Method for California v 1.5. Central Coast Wetlands Group, 20182019-05-13
Riparian RAM v2.2Riparian Rapid Assessment Method for California v 2.2. Central Coast Wetlands Group, 20222023-09-19
Riparian RAM v3.0Riparian Rapid Assessment Method for California v 3.0. Central Coast Wetlands Group, 20232023-09-19
RSIL Lab Code 2900 for Nitrate IsotopesMethods of the Reston Stable Isotope Laboratory: Section C: Chapter 17: Determination of the d15N and d18O Isotopes of Nitrate in Water; RSIL Lab Code 29002019-03-26
Rum2Bac_SIPPSIPP SOP for QPCR Ruminant Bacteriodales ?2 assay2014-07-29
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?1872011-12-20
SCCWRP SOP IDEXX ENEROLERT 2016Standard Operating Procedure for the IDEXX 24hr enterococci assay using the Quanti-Tray/2000 System with Enterolert Reagent2018-08-30
SCCWRP SOP SVOC 2019SCCWRP SOP FOR SEMIVOLATILE ORGANIC COMPOUNDS 20192019-04-23
SCCWRP SOP-1SCCWRP SOP 1 for Extraction of hydrophobic organics from aqueous samples2020-03-13
SCCWRP SOP-2SCCWRP SOP 2 for Determination of total organic carbon using the Shimadzu SSM-500a2020-03-13
SCCWRP SOP-3SCCWRP SOP 3 for Use of the Accelerated Solvent Extraction System (ASE)2020-03-13
SCCWRP SOP-4SCCWRP SOP 4 for Determination of DOC and TN in water samples2020-03-13
SCCWRP SOP-5SCCWRP SOP 5 for Use of polyethylene devices for passive sampling of organics2020-03-13
SCL SOPW-72SCL SOPW-72 Particle Size of Water Sample_CustomMethod from Soil Control Lab1900-01-01
Selbig and Bannerman, 2007Evaluation of street sweeping as a stormwater-quality-management tool in three residential basins in Madison, Wisconsin: U.S. Geological Survey Scientific Investigations Report 2007?5156, 103 p.2016-07-18
SFEI YSI 556 ManualSFEI guide sheet for YSI 556 settings and operation, 2002.2012-08-30
SFL SOP 6850Draft method of Determination of Perchlorate Using High Performance Liquid Chromatography/Mass Spectrometry (LC/MS)2007-07-27
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. 1999.2011-02-16
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. 1999.2011-02-16
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 022019-08-28
SGS AXYS MLA-210Analytical Method for the Determination of 209 PCB Congeners by GC-MS/MS2022-08-11
SGS AXYS MLA-210 Rev 01Analytical Method for the Determination of 209 PCB Congeners by GC-MS/MS, Rev 012023-10-27
SGS AXYS MLA-217 Rev 01Analytical Method for the Determination of Polychlorinated Dibenzodioxins and Dibenzofurans by EPA Method Draft ATM-16130 10 (GC-MS/MS), Rev 012022-08-24
SGS AXYS MLA-228Analytical Procedures for Organochlorine Pesticides by Isotope Dilution GC-MS/MS2022-08-24
SGS AXYS MLA-228 Rev 01Analytical Procedures for Organochlorine Pesticides by Isotope Dilution GC-MS/MS, Rev 012023-10-27
Shanks, et al., 2009_AEMShanks, O.C., Kelty, C.A., Sivaganesan, M., Varma, M. and Haugland, R.A., 2009. Quantitative PCR for genetic markers of human fecal pollution. Applied and environmental microbiology, 75(17), pp.5507-55132023-01-27
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 48:91-108.2012-05-03
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, 20042012-08-30
Sinigaliano, et al., 2013_WRSinigalliano, C.D., Ervin, J., Van de Werfhorst, L.C., Badgley, B.D., et. al., 2013. Multi-laboratory evaluations of the performance of Catellicoccus marimammalium PCR assays developed to target gull fecal sources. Water Res. 47(18):6883-96.2023-01-13
SIU_SOP-5.3_2007SOP 5.3 - STANDARD OPERATING PROCEDURE FOR ANALYSIS OF PESTICIDES BY GC-ECD, Lydy laboratory: Southern Illinois University, November 17,20072018-03-05
SM 10200 HStandard Methods for the Examination of Water & Wastewater, 10200 Plankton, Section H Chlorophyll (2011)2018-02-01
SM 10200 H-2abSpectrophotometric determination of Pheophytin a and Spectrophotometric determination of Chlorophyll a in the presence of Pheophytin a2016-04-18
SM 10200 H-2aMModification of spectrophotometric determination of Pheophytin a2012-08-30
SM 10200 H-2bSpectrophotometric determination of Chlorophyll a in the presence of Pheophytin a2007-07-27
SM 10200 H-2bMModification of Spectrophotometric determination of Chlorophyll a in the presence of Pheophytin a2012-08-30
SM 10200 H-M v20Modification of the Spectrophotometric determination of Chlorophyll a in the presence of Pheophytin a2012-08-30
SM 10200 I-4Determination of Biomass by Displacement Volume2024-02-23
SM 1030 FData Quality Ion Balance2017-03-08
SM 10300 CPeriphyton; Sample Analysis2013-12-04
SM 10300 C-6Periphyton Sample Analysis Dry and Ash-Free Weight2014-07-23
SM 10300 CDPeriphyton; Sample Analysis and Primary Productivity2012-07-26
SM 10300 CMModification of Periphyton; Sample Analysis2013-12-04
SM 2120 BColor by visual comparison2007-07-27
SM 2120 BMModification of Color by automated colorimetric method equivalent to the visual comparison method, SM 2120B2007-07-27
SM 2120 CColor, Spectrophotometric Method2012-08-30
SM 2130 BTurbidity analysis by Nephelometric method2007-07-27
SM 2150 BThreshold Odor Test2007-07-27
SM 2320 BAlkalinity by titration2007-07-27
SM 2320 B v21,22Alkalinity by titration, SM Edition 21 and 222022-03-01
SM 2340 BHardness by calculation2007-07-27
SM 2340 CHardness by EDTA titrimetric method2007-07-27
SM 2340 C v20Hardness by EDTA titrimetric method, SM Edition 202012-08-30
SM 2510Conductivity Examination in Water and Wastewater2012-05-02
SM 2510 BSpecific Conductance using electrode2007-07-27
SM 2510 B-1997Conductivity using electrode, Standard Methods, revision 19972024-10-15
SM 2520 B v20Electrical Conductivity Method2012-08-30
SM 2520BElectrical Conductivity2012-08-30
SM 2540Examination of Solids in Water and Wastewater2012-04-19
SM 2540 BTotal Solids dried at 103-105 degrees C2007-07-27
SM 2540 BMModification of Total Solids dried at 103-105 degrees C2012-08-30
SM 2540 CTDS dried at 180 degrees C2007-07-27
SM 2540 C v20Total Dissolved Solids dried at 180 degrees C SM Edition 202013-01-18
SM 2540 C/ETDS dried at 180 degrees C and Fixed and Volatile Solids Ignited at 550 degrees C2020-10-08
SM 2540 DTotal Suspended Solids dried at 103-105 degrees C2007-07-27
SM 2540 D v20Total Suspended Solids dried at 103-105 degrees C SM Edition 202013-01-18
SM 2540 D/ETotal Suspended Solids dried at 103-105 degrees C and Fixed and Volatile Solids Ignited at 550 degrees C2016-08-19
SM 2540 DMModification of Total Suspended Solids dried at 103-105 degrees C2012-08-30
SM 2540 EFixed and Volatile Solids Ignited at 550 degrees C2010-08-24
SM 2540 E-97Fixed and Volatile Solids Ignited at 550 degrees C2012-08-30
SM 2540 FSettleable Solids2014-01-06
SM 2540 GTotal, Fixed, and Volatile Solids in Solid & Semisolid Samples v.212009-02-24
SM 2550Temperature2016-07-15
SM 2550 BTemperature, Lab and Field Methods2017-03-08
SM 2550 TTemperature, Lab and Field Methods1900-01-01
SM 2560 CParticle Counting and Size Distribution, Light-blockage Methods2021-10-29
SM 2560 DParticle size analysis using Laser Multi-angle Light Scattering2020-07-01
SM 2560 D v20,21Particle size analysis using Laser Multi-angle Light Scattering, SM Edition 20 and 212012-05-10
SM 3111Determination of metals by flame atomic absorption spectrometry2012-08-30
SM 3111 BMetals by Flame Atomic Absorption Spectrometry, Rev. B2012-08-30
SM 3112 BMetals in Water by CV-AAS2016-03-21
SM 3113Determination of metals by electrothermal atomic absorption spectrometry2012-08-30
SM 3113 BMetals by Electrothermal Atomic Absorption Spectrometry, Rev. B2011-10-03
SM 3113 B v21Determination of metals by electrothermal atomic absorption spectrometry v.212011-12-18
SM 3113BMetals by Electrothermal Atomic Absorption Spectrometry, Rev. B2012-08-30
SM 3114 BArsenic and Selenium by Manual Hydride Generation/Atomic Absorption Spectrometric Method2007-07-27
SM 3120 BMetals by plasma emission, ICP method2012-08-30
SM 3500Al-EMModification of Aluminum: Eriochrome Cyanine R Method2013-05-21
SM 3500-Cr BHexavalent chromium determination by colorimetrical reaction with in an acid solution2016-12-12
SM 3500-Cr DHexavalent Chromium by spectrophotometric Analysis2012-05-02
SM 3500-Fe BColorimetric Detection2012-08-30
SM 3500-Fe DMIron, Colormetric method from 18th edition of Standard Methods2007-07-27
SM 3500-Se CExamination of Water and Wastewater, Colorimetric Method2007-07-27
SM 403Titrimetric Method by Color Change2016-06-09
SM 4110 BInorganic Anions by Ion Chromatography, Determination of Anions by Ion Chromatography2019-06-13
SM 4110 B, EPA 300.0Inorganic Anions by Ion Chromatography, Determination of Anions by Ion Chromatography2012-08-30
SM 418 D v16Determination of nitrate (high range) by Chromotropic acid method, SM Edition 162011-05-26
SM 4500 DIndustry determined Sulfide2007-07-27
SM 4500 N org B v20Nitrogen (organic) by Macro-Kjeldahl Method: Determination of Kjeldahl N (organic & ammonia nitrogen) on samples with either low or high concentrations of organic nitrogen, SM Edition 202011-05-26
SM 4500-B BBoron: Curcumin Method2007-07-27
SM 4500-B B v20Boron: Curcumin Method, SM Edition 202018-06-25
SM 4500-Cl CResidual Chlorine by Iodometric Method II2015-04-24
SM 4500-CL C v21Chloride by mercuric nitrate method2016-08-19
SM 4500-Cl DResidual Chlorine by Amperometric Titration Method2024-05-03
SM 4500-Cl ETotal Chlorine Detection in Water and Wastewater2012-06-04
SM 4500-Cl GResidiual Chlorine, DPD Colorimetric Method2011-06-01
SM 4500-CN CCyanide by Colorimetric Method2012-08-30
SM 4500-CN ECyanide by Colorimetric Method2016-08-19
SM 4500-CN E v20Cyanide by Colorimetric Method, SM Edition 202015-10-21
SM 4500-CN E v21Cyanide by Colorimetric Method, SM Edition 212012-01-24
SM 4500-CN I v20Weak Acid Dissociable (WAD) Cyanide2012-08-30
SM 4500-F CFluoride - Ion-Selective Electrode Method2007-07-27
SM 4500-H+Determination of pH value in Examination of Water and Wastewater2012-05-02
SM 4500-H+ BpH: Electrometric Method2007-07-27
SM 4500-H+ BMModification of pH: Electrometric Method2013-05-21
SM 4500-N ANitrogen Introduction2017-03-08
SM 4500-N BIn-Line UV/Persulfate Digestion and Oxidation with Flow Injection Analysis for Nitrogen compounds2007-07-27
SM 4500-N CNitrogen: Persulfate Method2012-12-12
SM 4500-N C v22Nitrogen: Persulfate Method 4th edition version 222017-08-15
SM 4500-N C/NH3 ENitrogen Persulfate Method, Nitrogen (Ammonia) Ammonia-Selective Electrode Method Using Known Addition2013-03-19
SM 4500-N CM v21Modification of Nitrogen: Persulfate Method, Method Ed 212014-11-03
SM 4500-N DConductimetric Determination of Inorganic Nitrogen2016-06-03
SM 4500-N orgNitrogen (organic)2016-06-03
SM 4500-N org BNitrogen (organic) by Macro Kjeldahl Method2013-03-05
SM 4500-N org CNitrogen (organic) by SemiMicro Kjeldahl Method: Determination of Kjeldahl N (organic & ammonia nitrogen) on samples with high conc of org nitrogen2007-07-27
SM 4500-N org C/SM 4500-NH3 BC v22Nitrogen (organic) by SemiMicro Kjeldahl Method: Determination of Kjeldahl N (organic & ammonia nitrogen) on samples with high conc of org nitrogen/Ammonia as Nitrogen: Distillation and Titration, SM Edition 222022-02-11
SM 4500-N org CMModification of Nitrogen (organic) by SemiMicro Kjeldahl Method: Determination of Kjeldahl N (organic & ammonia nitrogen) on samples with high conc of org nitrogen2012-08-30
SM 4500-N org D v22Nitrogen (organic) by Block Digestion and Flow Injection Analysis, SM Edition 222021-03-11
SM 4500-N org D v23Nitrogen (organic) by Block Digestion and Flow Injection Analysis, SM Edition 232021-09-27
SM 4500-NH3 B,C v19Ammonia as Nitrogen: Preliminary Distillation Step and Titrimetric Method, SM Edition 192015-09-01
SM 4500-NH3 B/CAmmonia Distillation and Titration combination of methods B & C2017-05-25
SM 4500-NH3 BC v20Ammonia as Nitrogen: distillation and titration2012-08-30
SM 4500-NH3 BC v20,21Ammonia as Nitrogen: distillation and titration2014-06-09
SM 4500-NH3 BC v20,v21Ammonia as Nitrogen: distillation and titration2014-08-18
SM 4500-NH3 BC v22Ammonia as Nitrogen: Distillation and Titration, SM Edition 222022-02-11
SM 4500-NH3 BH v18Nitrogen as Ammonia: Preliminary Distillation and Flow injection analysis SM Edition 182016-02-01
SM 4500-NH3 CNitrogen as Ammonia: Titrimetric Method2017-08-15
SM 4500-NH3 C v18Ammonia by Colorimetric Method, Nesserlization (TKN too)2007-07-27
SM 4500-NH3 C v20Determination of low concentrations of ammonia by titration, SM Edition 202011-02-06
SM 4500-NH3 DAmmonia by Ion-selective electrode method2015-05-14
SM 4500-NH3 D v18,19Nitrogen (Ammonia): Ammonia-Selective Electrode Method, SM Edition 18 and 192014-05-01
SM 4500-NH3 D v20,21Nitrogen (Ammonia): Ammonia-Selective Electrode Method, SM Edition 20 and 212007-10-05
SM 4500-NH3 DMModification of Nitrogen (Ammonia) Phenate Method2007-07-27
SM 4500-NH3 ENitrogen (Ammonia) Selective Electrode Method Using Known Addition2013-11-11
SM 4500-NH3 EM v20,21Modification of Nitrogen (Ammonia) Selective Electrode Method Using Known Addition, SM Edition 20 and 212014-01-06
SM 4500-NH3 FNitrogen (Ammonia): Ammonia-Selective Electrode Method2007-07-27
SM 4500-NH3 F v20,21Nitrogen (Ammonia) Phenate Method, SM Edition 20 and 212011-05-26
SM 4500-NH3 GAmmonia as Nitrogen: Automated Phenate Method, SM2018-04-17
SM 4500-NH3 G v19,20Ammonia as Nitrogen: Automated Phenate Method, SM Edition 19 and 202013-09-16
SM 4500-NH3 G v22Ammonia as Nitrogen: Automated Phenate Method (Determination of low level concentrations), SM Edition 222022-02-11
SM 4500-NH3 G, EPA 350.1Ammonia by Flow Injection Analysis2012-08-30
SM 4500-NH3 HAmmonia as Nitrogen: Automated Phenate Method2007-07-27
SM 4500-NH3 H v21Nitrogen (Ammonia): Flow Injection Analysis Method Ed 212014-11-03
SM 4500-NO2 BNitrite as Nitrogen: Colorimetric Method2007-07-27
SM 4500-NO2 B v20Nitrite as Nitrogen: Colorimetric Method SM Edition 202013-01-18
SM 4500-NO2 B v21,22Nitrite as Nitrogen: Colorimetric Method, SM Edition 21 and 222022-02-11
SM 4500-NO2 BMModification of Nitrogen (Nitrite) Colormetric Method2007-07-27
SM 4500-NO3 D v20Nitrogen (Nitrate): Electrode Method, Method Ed 202017-03-24
SM 4500-NO3 ENitrogen in Water and Wastewater by Cadmium Reduction Method2012-06-04
SM 4500-NO3 FNitrogen (Nitrate) Automated Cadmium Reduction Method2012-06-27
SM 4500-NO3 F, EPA 353.2Nitrate+Nitrite as Nitrogen (Colorimetric, Automated, Cadmium Reduction)2013-01-18
SM 4500-NO3 FMModification of Nitrogen (Nitrate) Automated Cadmium Reduction Method2012-06-27
SM 4500-NO3 HNitrogen (Nitrate) Automated Hydrazine Reduction Method2016-09-19
SM 4500-NO3 I v21Nitrogen (Nitrate): Cadmium Reduction Flow Injection Method, Method Ed 212014-11-03
SM 4500-O COxygen (Dissolved) by Azide Modification2023-08-17
SM 4500-O GDissolved Oxygen, membrane electrode method2012-08-30
SM 4500-P BEStandard Methods for the Examination of Water & Wastewater, 4500-P Phosphorus, Section B ?Sample Preparation, Section E Ascorbic Acid Method (2011)2018-02-01
SM 4500-P BF v22Phosphorus: Section B Sample Preparation, Section F Automated Ascorbic Acid Reduction, SM Edition 222022-02-11
SM 4500-P CPhosphorus: Vanadomolybdophosphoric Acid Colometric Method2015-05-19
SM 4500-P DPhosphorous: Stannous Chloride Method from SM Edition 202010-08-26
SM 4500-P EPhosphorus: Ascorbic Acid Method2007-07-27
SM 4500-P E v20Phosphorus: Ascorbic Acid Method SM Edition 202013-01-18
SM 4500-P E v21,22Phosphorus: Ascorbic Acid Method, SM Edition 21 and 222022-02-11
SM 4500-P E, EPA 365.3Phosphorus: Ascorbic Acid Method2017-05-10
SM 4500-P EMModification of method for PO4-P: Ascorbic Acid Method2007-07-27
SM 4500-P FTotal Phosphorous and Orthophosphate by automated ascorbic acid reduction2007-07-27
SM 4500-P F, EPA 365.3Phosphorus determination using colorimetric procedure2012-08-30
SM 4500-P HPhosphorus: Manual Digestion and Flow Injection Analysis for Total Phosphorus2014-10-06
SM 4500-S2 DSulfide by Methylene Blue2017-03-08
SM 4500-S2 FSulfide by Iodometric method2015-05-18
SM 4500-S2 G Sulfide by Ion-Selective Electrode2020-12-11
SM 4500-Si DSilica (Dissolved):Molybdosilicate method2007-07-27
SM 4500-SiO2 CSilica by Molybdosilicate Method2020-01-27
SM 4500-SiO2 C, EPA 370.1Filter, add molybdate ion in acidic solution, measure spectophotometrically2012-08-30
SM 4500-SiO2 E/F v21Silica: Automated Method for Molybdate-Reactive Silica and Flow Injection Analysis for Molybdate-Reactive Silicate Method Ed 212014-11-03
SM 4500-SO3Sulfite by Iodometric Method2017-03-08
SM 4500-SO4 ESulfate by Turbidimetric Method2015-04-24
SM 4500-SO4 FSulfate by Automated Chlorimetry2012-06-04
SM 5210Standard Methods for the Examination of Water & Wastewater, 5210 Biochemical Oxygen Demand, Section B 5-day BOD Test (2011)2018-02-01
SM 5210 BBiochemical Oxygen Demand2007-07-27
SM 5210 B v20Biochemical Oxygen Demand, SM Edition 202012-08-30
SM 5210 B_10dayBiochemical Oxygen Demand - 10 day2007-07-27
SM 5220 CChemical Oxygen Demand, closed reflux, titrimetric method2016-08-19
SM 5220 DChemical Oxygen Demand, closed reflux, colometric method2012-08-30
SM 5220 D v20Chemical Oxygen Demand, closed reflux, colometric method, SM Edition 202012-08-30
SM 5310 BTotal Organic Carbon High-Temperature Combustion Method2007-07-27
SM 5310 B v20Total Organic Carbon High-Temperature Combustion Method SM Edition 202013-01-18
SM 5310 BMModification of Total Organic Carbon High-Temperature Combustion Method2020-10-08
SM 5310 BM-NModification of Total Organic Carbon High-Temperature Combustion Method to Determine Total Nitrogen2020-07-10
SM 5310 CTotal Organic Carbon: Persulfate-Ultraviolet Oxidation Method Doc# IO-SP-0039-002007-07-27
SM 5310 C, EPA 415.3Total Organic Carbon: Persulfate-Ultraviolet or Heated-Persulfate Oxidation Method, Total Organic Carbon/Dissolved Organic Carbon (combustion or oxidation) in water2013-03-07
SM 5310 DTotal Organic Carbon: wet-oxidation method2017-06-15
SM 5540Anionic Surfactants as Methyl Blue Active Substances (MBAS)2007-07-27
SM 5540 CAnionic Surfactants as Methyl Blue Active Substances2010-06-22
SM 5540 C v21Anionic Surfactants as Methyl Blue Active Substances (MBAS), SM Edition 212011-05-26
SM 5540 D v21Noionic Surfactants as CTAS Method Ed 212014-07-23
SM 5910 BUV-Absorbing Organic Constituents; Ultraviolet Absorption Method2016-06-09
SM 5910 B v21UV-Absorbing Organic Constituents; Ultraviolet Absorption Method, SM Edition 212016-05-03
SM 7110 CCoprecipitation Method for Gross Alpha Radioactivity in Drinking Water2014-07-23
SM 8010 FStandard Test Method: Toxicity Test Systems, Materials, and Procedures2018-06-25
SM 908 AStandard Total Coliform Multiple Tube Test2007-07-27
SM 908 CApplication of Tests and Routine Examinations for Total Coliform2007-07-27
SM 9221Multiple tube fermentation technique for coliform group (includes 9221ABC for total coliform)2007-07-27
SM 9221 BThe Standard Total Coliform Fermentation Technique2007-07-27
SM 9221 B/CThe Standard Total Coliform Fermentation Technique and Estimation of Bacterial Density2021-01-28
SM 9221 B/EThe Standard Total Coliform Fermentation Technique and the Fecal Coliform Procedure2016-06-09
SM 9221 B/E v20The Standard Total Coliform Fermentation Technique and the Fecal Coliform Procedure SM Edition 202013-01-18
SM 9221 B/F v 2006Standard Total Coliform Fermentation Technique with Escherichia coli Procedure Using Fluorogenic Substrate 20062018-06-25
SM 9221 C/EMultiple-Tube Fermentation Technique for Members of the Coliform Group, Estimation of Bacterial Density and Fecal Coliform Procedure2018-06-25
SM 9221 DPresence-Absence (P-A) Coliform Test2007-07-27
SM 9221 EFecal Coliform Procedure2007-07-27
SM 9221 FStandard Total Coliform Fermentation Technique with E. Coli Procedure2007-07-27
SM 9222 BStandard Total Coliform Membrane Filter Procedure2007-07-27
SM 9222 CMembrane Filtration Technique For Members Of Coliform2012-05-15
SM 9222 DFecal Coliform Membrane Filter Procedure2010-11-01
SM 9222 DMModification of Fecal Coliform Membrane Filter Procedure2015-11-03
SM 9222 EDelayed-Incubation Fecal Coliform Procedure2007-07-27
SM 9222 GMembrane Filter Partition Procedures for E. coli - 21st Edition2011-10-19
SM 9222 GMModification of Membrane Filter Partition Procedures for E. coli - 21st Edition2015-11-03
SM 9223Enzyme Substrate Coliform Test2007-07-27
SM 9223 BEnzyme Substrate Test using mutilple-tube, multi-well or presence-absence format (Colilert-18)2007-07-27
SM 9223 B, SM 9230D bEnzyme Substrate Test using mutilple-tube, multi-well or presence-absence format (Colilert-18), Multiple well using Quanti-Tray? or Quanti-Tray?/20002017-03-24
SM 9223 B-SOP ASWAUEnzyme Substrate Test using multi-well modification by CRWQCB Region 5 Ag and Surface Water Assessment Unit2010-11-30
SM 9223 B-SOP1103Enzyme Substrate Test using mutilple-tube, multi-well or presence-absence format (Colilert-18), modification by EPA Region 92007-07-27
SM 9230 BMultiple Tube Technique for fecal streptococcus and enterococcus groups2007-07-27
SM 9230 CStandard Method for Examination of Bacteria in Water and Wastewater2011-07-13
SM 9230 DFluorogenic Substrate Enterococcus Test2018-07-13
SM 9230 D v21onlineFluorogenic Substrate Enterococcus Test SM version 21 online2011-08-22
Solorzano, 1969L. Solorzano, "Determination of Ammonia in Natural Waters By The Phenolhypochlorite Method", Limnology and Oceanography, Vol. 14, pgs 799-801, 19692011-05-04
Solorzano, L., 1969L. Solorzano, "Determination of Ammonia in Natural Waters By The Phenolhypochlorite Method", Limnology and Oceanography, Vol. 14, pgs 799-801, 19692012-08-30
SQO_TSM_v3Sediment Quality Objective Technical Support Manual, SCCWRP Technical Report 777, Version 32022-03-18
Sutton, et al., 2019Sutton, et al., "Understanding Microplastic Levels, Pathways, and Transport in the San Francisco Bay Region", SFEI Contribution No. 950, Richmond, CA, 20192021-04-14
SW 7060AArsenic (Atomic Absorption, Furnace Technique)2012-08-30
SW7060Standard Method for Arsenic in Solid Waste2012-05-15
SW7740Standard Method for Selenium in Solid Waste2012-05-15
SW8081/8082Organochlorine Pesticides & PCBs as Aroclors by GC (8081)/Polychlorinated Biphenyls (PCBs) by Gas Chromatography (8082)2010-06-22
SW8270CSemi-Volatile Organic Compounds in Soil2012-05-14
TERC AGPTERC Algal Growth Potential (AGP), Peak Chlorophyll a Achieved by Phytoplankton in Water Sample During Incubation in Lab2018-02-06
TERC NO3+NO2 v1TERC Nitrate+nitrite analysis (hydrazine reduction method) low level, colorimetric2022-12-29
TERC Periphyton Chlorophyll aTERC periphyton chlorophyll a method: spectrophotometric determination of Chlorophyll a after extraction in boiling methanol2018-03-21
TERC PhytoplanktonTERC Freshwater Phytoplankton Enumeration SOP with Enumeration Based on Uterm?hl Method for Quantitative Phytoplankton Analysis2018-02-06
TERC TKN v4TERC Kjeldahl nitrogen: total (TKN) or dissolved (DKN) low level, block digestion, colorimetric2022-12-15
TestAmerica SOP TA-MS-0346TestAmerica SOP TA-MS-0346 Organotin Compounds [Method: Puget Sound Estuary Protocol]2017-04-05
TestAmerica SOP TA-MS-0346 Rev 12TestAmerica SOP TA-MS-0346 Organotin Compounds [Method: Puget Sound Estuary Protocol], Rev 122015-10-19
Timberline Ammonia-001Determination of Inorganic Ammonia by Continuous Flow Gas Diffusion and Conductivity Cell Analysis2021-04-29
Timed FillingTimed Filling method used for measuring stream discharge2009-08-27
ToxScan SOP TributyltinToxScan SOP for the Determination of Tributyltin in water by Gas Chromatography with a Flame Photometric Detector (GC/FPD)2018-02-14
ToxWQMeasurementMeasurement taken for toxicity WQ2007-12-20
TrashAssessmentRWQCB2 Protocol for Trash Assessment2007-07-27
UCB-WL_SOP-3.1_2007SOP 3.1 - STANDARD OPERATING PROCEDURE FOR TOTAL SUSPENDED SOLIDS ANALYSIS, Weston laboratory: University of California, Berkeley, November 17,20072018-03-05
UCB-WL_SOP-4.3_2010SOP 4.3 - STANDARD OPERATING PROCEDURE FOR 4-d WATER TOXICITY TESTING USING HYALELLA AZTECA, Weston laboratory: University of California, Berkeley, November 12, 20102018-03-05
UCD IsotopeRatioMassSpecOrganic carbon analysis on the Isotope Ratio Mass Spectrometer2012-08-30
UCD-AHPL Ex-Situ toxicity testQuality Assurance Project Plan for Water Quality Monitoring at a Delta Integrator Site: Fish health and behavior Stillway 20192020-03-24
UCD-AL Method 522Total Nitrogen and Carbon-Combustion Method2020-03-13
UCD-GC_dilutusGranite Canyon Lab chronic toxicity test utilizing Chironomus dilutus with survival and ash-free dry weight endpoints.2015-07-24
UCD-GC_purpuratusGranite Canyon Lab modification of chronic Strongylocentrotus purpuratus test using sediment2015-10-27
UCD-LAWR NH3 SOPDetermination of nitrogen-ammonia in water based on the Berthelot reaction, UCD-LAWR SOP2010-08-26
UCD-SIF-EACN01.2UCD-SIF SOP Isotopic Analysis of Solid Samples for Stable Isotopes of C and N by Continuous Flow Combustion-Isotope Ratio Mass Spectrometry (C-IRMS), Rev 1.22015-08-26
UCD-SIF-EASU01.1UCD-SIF SOP Overview of EA-IRMS Process with Respect to Sulfur2015-05-13
UCD-TOC-TNA Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 15: Ancillary Sediment Analysis: Total Organic Carbon/Total Nitrogen2012-08-30
UCSB CarlsonDOC in water. High temperature combustion using Shimadzu TOC-V.2012-08-30
UCSC 1997 ch.10A Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 10: Ancillary Water Analysis: Salinity2012-08-30
UCSC 1997 ch.12A Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 12: Ancillary Water Analysis: Dissovled Organic Carbon2012-08-30
UCSC 1997 ch.14A Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 14: Ancillary Sediment Analysis: Grain Size2012-08-30
UCSC 1997 ch.9A Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 9: Ancillary Water Analysis: Chlorophyll and Phaeophytin2012-08-30
UCSC ethylation-GC-CVAFSStandard Operating Procedure for the Analysis of Mercury and Methylmercury in Environmental Samples2012-08-30
UCSC fluormetricScelfo, Genine. A Practical Handbook for Trace Metal and Ancillary Analysis. Chlorophyll and Phaeophytin2012-08-30
UCSC Hg Oxidation and CVAFSStandard Operating Procedure for the Analysis of Mercury and Methylmercury in Environmental Samples2012-08-30
UCSC HR-ICPMSPreparation and Trace Metal Analysis of Estuarine Samples - ICPMS2012-08-30
UCSC ICP-OES-directPreparation and Trace Metal Analysis of Estuarine Samples - ICP-OES2012-08-30
UCSC SOP UCSCCM-002UCSC SOP UCSCCM-002 Standard Operating Procedure For Collection of Cyanobacteria and Cyanotoxins Samples2012-05-04
UCSC SOP UCSCLM-011UCSC SOP UCSCLM-011 Standard Operating Procedure For The Determination of Total Organic Carbon With Shimadzu TOC Analyzer2012-05-03
UCSC Suspended Solids ContentA Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 11: Ancillary Water Analysis: Suspended Sediment Content2012-08-30
UCSC Total Suspended SolidsA Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 11: Ancillary Water Analysis: Suspended Sediment Content-TSS2012-08-30
UCSC UV digest-ICPMSPreparation and Trace Metal Analysis of Estuarine Samples - ICPMS Digest2012-08-30
UCSC UV digest-ICP-OESPreparation and Trace Metal Analysis of Estuarine Samples - ICP-OES Digest2012-08-30
UCSC wet/dry weightsScelfo, Genine. 1997. A Practical Handbook for Trace Metal and Ancillary Analysis. Chapter 13: Trace Metal Analysis of Sediments2012-08-30
UCSCDET_TOCTNA Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 15: Ancillary Sediment Analysis: Total Organic Carbon/Total Nitrogen2012-08-30
UCSCDET-GSZA Practical Handbook for Trace Metal and Ancillary Analyses: Chapter 14: Ancillary Sediment Analysis: Grain Size2012-08-30
UCSC-HgT-sedStandard Operating Procedure for the Analysis of Mercury and Methylmercury in Environmental Samples2012-08-30
UCSC-LachatQuickChemFia8000A Practical Handbook for Trace Metal and Ancillary Analyses2012-08-30
UCSC-POCField and Laboratory Protocols: Particulate Carbon and Nitrogen2012-08-30
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 2-32011-12-21
UoT-RL Fish Raman Spectroscopy/FTIRUniversity of Toronto fish analysis using Raman spectroscopy particle finding software that chemically confirms the polymer identity of the microplastic using a reference spectra library OR Fourier Transform Infrared (FTIR) analyses.2018-06-18
UoT-RL Manta Trawl Raman Spectroscopy/FTIRUniversity of Toronto Manta Trawl analysis using Raman spectroscopy particle finding software that chemically confirms the polymer identity of the microplastic using a reference spectra library OR Fourier Transform Infrared (FTIR) analyses.2018-06-18
UoT-RL Sediment Raman Spectroscopy/FTIRUniversity of Toronto Sediment analysis using Raman spectroscopy particle finding software that chemically confirms the polymer identity of the microplastic using a reference spectra library OR Fourier Transform Infrared (FTIR) analyses.2018-06-18
UoT-RL Stormwater Raman Spectroscopy/FTIRUniversity of Toronto Stormwater analysis using Raman spectroscopy particle finding software that chemically confirms the polymer identity of the microplastic using a reference spectra library OR Fourier Transform Infrared (FTIR) analyses.2018-06-18
UoT-RL WWTP Raman Spectroscopy/FTIRUniversity of Toronto waste water treatment plant analysis using Raman spectroscopy particle finding software that chemically confirms the polymer identity of the microplastic using a reference spectra library OR Fourier Transform Infrared (FTIR) analyses2018-06-18
USBR_SJRR_WS_QAPPSan Joaquin River Restoration Routine Water and Sediment Sampling Quality Assurance Project Plan2013-05-28
USGS B-0050-85Fecal coliform bacteria (membrane-filter method) Immediate incubation test; USGS TWRI 5-A4/1989, p.372013-05-18
USGS B-0055-85Fecal streptococcal bacteria (membrane-filter method) Immediate incubation test; USGS TWRI 5-A4/1989, p.472013-05-18
USGS BAC32mFC membrane-filtration method for Fecal Coliforms2013-04-18
USGS GCM29Fipronil and Degradates in Water by GC-MS USGS O-1126-022017-04-12
USGS GCM99 Wastewater compounds in whole water by continuous liquid-liquid extraction and capillary-column gas chromatography/mass spectrometry USGS 0-4433-062017-04-12
USGS GM008Wastewater compounds in sediment and soil by pressurized solvent extraction, solid-phase extraction, and capillary-column gas chromatography/mass spectrometry USGS O-5433-052017-04-12
USGS GM031Current-use pesticide compounds, suspended sediment, accelerated solvent extraction (ASE), recoverable by gas chromatography/mass spectrometry (GC/MS)2017-04-25
USGS GM038Current-use pesticide compounds, water, filtered, recoverable by GC/MS USGS DS 7072017-04-12
USGS I-1472-87Metals, atomic emission spectrometry, inductively coupled plasma (ICP); USGS OFR 93-125 p.1012013-05-18
USGS I-1750-89Solids, residue on evaporation at 180 degrees C, dissolved, gravimetric; USGS TWRI 5-A1/1989, p.4372013-05-18
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-B12013-05-18
USGS I-2030-89Alkalinity, electrometric titration, automated; USGS TWRI 5-A1/1989, p.572013-05-18
USGS I-2057-90Anions, Ion-exchange chromatographic, automated; USGS OFR 93-125, p.192013-05-18
USGS I-2327-85Fluoride, Electrometric, Ion-Selective Electrode, Automated, Segmented-Flow; USGS TWRI 5-A1/1989, p. 2212013-05-18
USGS I-2522-90Nitrogen, ammonia, colorimetry, salicylate-hypochlorite, automated-segmented flow; USGS OFR 93-125 p.1252013-05-18
USGS I-2540-90Nitrogen, nitrite, colorimetry, diazotization, automated-segmented flow; USGS OFR 93-125, p.1432013-05-18
USGS I-2545-90Nitrogen, nitrite plus nitrate, colorimetry, cadmium reduction-diazotization, automated-segmented flow; USGS OFR 93-125, p.1572013-05-18
USGS I-2587-89pH, electrometric, glass-electrode; USGS TWRI 5-A1/1989, p.3632013-05-18
USGS I-2601-90Phosphorus, orthophosphate, colorimetry, phosphomolybdate, automated-segmented flow; USGS OFR 93-125, p.1972013-05-18
USGS I-2650-03Evaluation of Alkaline Persulfate Digestion as an Alternative to Kjeldahl Digestion for Determination of Total and Dissolved Nitrogen and Phosphorus in Water2015-05-18
USGS I-2700-85Silica, colorimetric, molybdate blue, automated-segmented flow; USGS TWRI 5-A1/1989, p.4172013-05-18
USGS I-2781-85Specific conductance, electrometric, Wheatstone bridge; USGS TWRI 5-A1/1989, p.4612013-05-18
USGS I-3765-85Solids, residue at 105 degrees C, suspended, gravimetric; USGS TWRI 5-A1/1989, p.4432013-05-18
USGS I-3860-85Turbidity, nephelomelric; USGS TWRI 5-A1/1989, p.4972013-05-18
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-B12013-05-18
USGS I-6600-85Phosphorus, colormetric, phosphomolybdate, automated-segmented flow; USGS TWRI 5-A1/1989, p.3672013-05-18
USGS ID-HG-ICP-MSStandard Operating Procedure (SOP) for Digestion of Sediments and Biological Tissues for Analysis by Isotope Dilution Hydride Generation Inductively Coupled Plasma Mass Spectrometry (ID HGICP-MS)2017-01-12
USGS LCM57 Low-level Liquid Chromatography/Tandem Mass Spectrometry method for the analysis of Glyphosate, Aminomethylphosphonic Acid, and Glufosinate in filtered water USGS O-2141-09 2017-04-12
USGS LCM60Pesticides in filtered water by direct aqueous injection and high performance liquid chromatography/tandem mass spectrometry (LC/MS/MS) analysis2017-04-25
USGS LCM66Current-use pesticide compounds, water, filtered, recoverable by liquid chromatography ionization mass spectrometry (LC/MS/MS) USGS SIR 2012-5206 2017-04-12
USGS O-3100-83Carbon, organic, total, wet oxidation; USGS TWRI 5-A3/1987, p.152013-05-18
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-4515-912013-05-18
USGS OFR 01-273Determination of Four Selected Mosquito Insecticides and a Synergist in Water Using Liquid-Liquid Extraction and Gas Chromatography/Mass Spectrometry2013-05-18
USGS OFR 92-146Determination of Total Phosphorus by a Kjeldahl Digestion Method and an Automated Colormetric Finish that Includes Dialysis2013-05-18
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-1126-952013-05-18
USGS OFR 95-181MMod Determination of Pesticides in Water by C-18 Solid-Phase Extraction, Capillary-Column Gas Chromatography/Mass Spectrometry w/Selected Ion Monito2012-08-30
USGS OFR 96-216Determination of Pesticides in Water by Carbopak-B Solid-Phase Extraction and High-Performance Liquid Chromatography2017-04-17
USGS OFR 96-525 A011Arsenic, antimony, and selenium by flow injection or continuous flow-hydride generation-atomic absorption spectrophotometry; p.242013-05-18
USGS OFR 96-525 A091 Mercury in water, geologic, and plant materials by continuous flow?cold vapor?atomic absorption spectrometry, p.422013-05-18
USGS OFR 96-525 E011Forty elements by inductively coupled plasma-atomic emission spectrometry; p.772013-05-18
USGS OFR 97-829Determination of 86 Volatile Organic Compounds in Water by Gas Chromatography/Mass Spectrometry, Including Detections Less Than Reporting Limits; USGS O-4127-962013-05-18
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-4472-972013-05-18
USGS OFR 99-093Determination of Dissolved Arsenic, Boron, Lithium, Selenium, Strontium, Thallium, and Vanadium Using Inductively Coupled Plasma?Mass Spectrometry; USGS I-2477-922013-05-18
USGS OFR 99-166The determination of forty two elements in geological materials by inductively coupled plasma-mass spectrometry; supplement to USGS OFR 96-5252013-05-18
USGS OSW 2004.04 M, 2007.01 MModified: Policy on the use of the FlowTracker for discharge measurements; Modified: SonTek/YSI FlowTracker firmware version 3.10 and software version 2.11 upgrades and additional policy on the use of FlowTrackers for discharge measurements.2012-07-24
USGS P-0590-85Percent moisture, total inbottom-material, gravimetric; USGS TWRI 5-A1/1989, p.482013-05-18
USGS RSIL Sec. C, ch.5Methods of the Reston Stable Isotope Laboratory (slightly revised from version 1.1 released in 2007): Section C: Chapter 5: Determination of the d15N and d13C of Total Nitrogen and Carbon in Solids; RSIL Lab Code 18322015-05-13
USGS TWRI 5-C1 SPSSProcedure for the Sieve-Pipet Method of Particle-Size Analysis in USGS Techniques of Water-Resources Investigations Laboratory Theory and Methods for Sediment Analysis, Book 5 Chapter C12016-09-21
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-4464-012013-05-24
USGS WRIR 01-4134Determination of Pesticides in Water by Graphitized Carbon-Based Solid-Phase Extraction and High-Performance Liquid Chromatography/Mass Spectrometry; USGS O-2060-012013-05-24
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-4650-032013-05-24
USGS-LC0113Filtration procedure for DOC2007-07-27
USGS-OCRL_GC/MS/MS_Gross_2021Gross, M.S., et al. 2021, Multiresidue Method for Analysis of Pesticides using Solid-Phase Extraction with Gas and Liquid Chromatography-Tandem Mass Spectrometry: U.S. Geological Survey data release, https://doi.org/10.5066/P9J8E544. by GC/MS/MS.2021-10-05
USGS-OCRL_GC/MS_2008;2009Hladik, et al 2008, Multi-residue method analy pest, water:Bull Env Contam/Tox,v80,p139?144; Hladik,et al 2009, Methods of analysis: Determination of pyrethroid insecticides in water/sed: USGS Techniques/Methods book 5, chap. C2, 18 p.2018-03-05
USGS-OCRL_GC/MS_2008;2012;2011-12Hladik, et al 2008,Multi-residue method analy pest, water:Bull Env Contam/Tox,v80,p139?144; Smalling,etal2012, Occur of pesticide in water/sed,2009?10:USGS DS707, 40p; Orlando,etal, Diss pesticide Sac-San Joaq Delta/Grizzly Bay, 2011?12: USGS DS779, 24 p.2018-03-05
USGS-OCRL_GC/MS_Hladik_2009Hladik, M.L., Smalling, K.L., and Kuivila, K.M., 2009, Methods of analysis?Determination of pyrethroid insecticides in water and sediment using gas chromatography/mass spectrometry: U.S. Geological Survey Techniques and Methods 5?C2, 18 p2018-03-05
USGS-OCRL_GC/MS_Sanders_2018Sanders, C.J., Orlando, J.L., and Hladik, M.L., 2018, Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015: U.S. Geological Survey Data Series 1088, 40 p., by GC/MS.2021-10-05
USGS-OCRL_LC/MS/MS_Gross_2021Gross, M.S., et al. 2021, Multiresidue Method for Analysis of Pesticides using Solid-Phase Extraction with Gas and Liquid Chromatography-Tandem Mass Spectrometry: U.S. Geological Survey data release, https://doi.org/10.5066/P9J8E544. by LC/MS/MS.2021-10-05
USGS-OCRL_LC/MS/MS_Hladik_2012Hladik, M.L., Calhoun, D.L., 2012, Analysis of the herbicide diuron, three diuron degradates, and six neonicotinoid insecticides in water-Method details and application to two Georgia streams: USGS Scientific Investigations Report 2012?5206, 10 p.2018-03-05
USGS-OCRL_LC/MS/MS_Sanders_2018Sanders, C.J., Orlando, J.L., and Hladik, M.L., 2018, Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015: U.S. Geological Survey Data Series 1088, 40 p., by LC/MS/MS.2021-10-05
USGS-OCRL_WATER-PEST_06_GC/MS/MSMultiresidue method for suite of pesticides and degradates/metabolites processing and analyzing whole, filtered, or tap water samples using Solid-Phase extraction and gas chromatography (GC) coupled with tandem mass spectroscopy (MS/MS), v62022-07-12
USGS-OCRL_WATER-PEST_06_LC/MS/MSMultiresidue method for suite of pesticides and degradates/metabolites processing and analyzing whole, filtered, or tap water samples using Solid-Phase extraction and liquid chromatography (LC) coupled with tandem mass spectroscopy (MS/MS), v62022-07-12
USGS-PCMSC SOP GS TOCLaboratory Procedures for Grain Size Analysis and Percent Carbon Analysis2017-05-10
USGS-Sanders, 2018Sanders, C.J., Orlando, J.L., and Hladik, M.L., 2018, Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015: U.S. Geological Survey Data Series 1088, 40 p.,1900-01-01
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Velocity AreaVelocity Area method used for measuring stream discharge2008-03-26
Verdouw, 1977Ammonia (NH4-N) Determination Based on Indophenol Formation with Sodium Salicylate (Verdouw, H. 1977)2010-11-04
VIMS-HBCDHBCD analysis by Mark La Guardia, Virginia Institute of Marine Science: March 20102012-08-30
Walkley-BlackTotal organic carbon analysis of sediment using oxidation and titration.2009-06-29
Werner et al., 2008Werner, I., Irvine, C., and Foe, C., "The Effects of Wastewater-Treatment Effluent Associated Contaminants on Delta Smelt. Ammonia Toxicity Sampling and Analysis Plan", UC Davis, 2008.2018-02-22
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WL170Determination of Neonicotinoids in Water by Direct Aqueous Injection Liquid Chromatography/Tandem Mass Spectrometry (DAI-LC/MS/MS)2024-08-29
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: 888-8942012-05-03
WPCL Method 42Analysis of Paraquat dichloride2012-08-30
WPCL SOP 46WPCL SOP 46 for the Determination of Carbamate, Phenylurea, Methamidophos, Piperonyl Butoxide in Water by LC/MS/MS2013-03-12
WPCL SOP 67WPCL SOP 67 for the Determination of Pyrethroids in Sediment by GC/MS/MS (EI)2011-07-12
WPCL SOP 71WPCL SOP 71 for the Determination of Pyrethrins by LC/MS/MS2012-01-25
WPCL SOP 71 NCIWPCL SOP 71 NCI for the Determination of Pyrethrins by GC/MS/MS2012-01-27
WPCL SOP 72WPCL SOP 72 for the Determination of Select Herbicides and Insecticides in Sediment by Gas Chromatography/Mass Spectrometry-Ion Trap Detector2009-09-17
WPCL SOP LC-007WPCL SOP LC-007 for the Determination of Fungicides by LC/MS/MS2014-03-18
WPCL SOP LC-008WPCL SOP LC-008 for the Determination of Fipronil and Degradates by LC/MS/MS2017-04-12
WPCL SOP LC-010WPCL SOP LC-010 for the Determination of Pesticides by LC/MS/MS2015-12-10
WPCL SOP LC-065Determination of Microcystins in Water and Tissues by Enhanced LC-MSMS2015-02-02
WPCL-MS-067 Rev 3Analysis of Pyrethroids by GC-MSMS-CI (NH3) Rev 32017-05-19
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WRS 11A.2Standard Operating Procedure for the Determination of Specific Conductivity WRS 11A.2. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. March 20042012-09-13
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.K2012-09-19
WRS 13A.2Standard Operating Procedure for the Determination of Turbidity WRS 13A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 20022012-09-13
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.R2012-09-19
WRS 15A.1Standard Operating Procedure for the Determination of True Color WRS 15A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. December 2002, Gruen.R2012-09-19
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.R2012-09-19
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.R2012-09-19
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.K2012-09-19
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.K2012-09-19
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.S2012-09-19
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.K2012-09-19
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.K2012-09-19
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.K2012-09-19
WRS 71A.1Standard Operating Procedure for the Determination of Chlorophyll a WRS 71A.1. Willamette Research Station Analytical Laboratory, Corvallis, Oregon. October 2002, Baxter.K2012-09-19
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.K2012-09-19
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.B2012-09-19
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.B2023-02-27
WSLPTP S-9.10Determination of Total Organic Carbon in sediment2012-08-30
Yu, 1994Determination of Dissolved Organic Nitrogen using Persulfate Oxidation and Conductimetric Quantification of Nitrate-Nitrogen (Yu, Z.S. 1994)2010-11-04