ASTM's water testing standards are instrumental in specifying and evaluating the methods and facilities used in examining the various characteristics of and contaminants in water for health, security, and environmental purposes. These water testing standards allow concerned local government authorities, water distribution facilities, and environmental laboratories to test the quality of water and ensure safe consumption.

Water Testing Standards

ASTM's water testing standards are instrumental in specifying and evaluating the methods and facilities used in examining the various characteristics of and contaminants in water for health, security, and environmental purposes. These water testing standards allow concerned local government authorities, water distribution facilities, and environmental laboratories to test the quality of water and ensure safe consumption.

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Inorganic Constituents in Water

D4520-18 Standard Practice for Determining Water Injectivity Through the Use of On-Site Floods

D4025-18 Standard Practice for Reporting Results of Examination and Analysis of Deposits Formed from Water for Subsurface Injection

D5463-18 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water

D3866-18 Standard Test Methods for Silver in Water

D6581-18 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography

D6501-15 Standard Test Method for Phosphonate in Brines

D4130-15 Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines (Withdrawn 2024)

D3352-15 Standard Test Method for Strontium Ion in Brackish Water, Seawater, and Brines

D6994-15 Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water Using Anion Exchange Chromatography with UV Detection

D3082-15 Standard Test Method for Boron in Water

D3986-17 Standard Test Method for Barium in Brines, Seawater, and Brackish Water by Direct-Current Argon Plasma Atomic Emission Spectroscopy

D3697-17 Standard Test Method for Antimony in Water

D857-17 Standard Test Method for Aluminum in Water

D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water

D3372-17 Standard Test Method for Molybdenum in Water

D3373-17 Standard Test Method for Vanadium in Water

D1691-17 Standard Test Methods for Zinc in Water

D3557-17 Standard Test Methods for Cadmium in Water

D3223-17 Standard Test Method for Total Mercury in Water

D6508-15 Standard Test Method for Determination of Dissolved Inorganic Anions in Aqueous Matrices Using Capillary Ion Electrophoresis and Chromate Electrolyte

D1687-17 Standard Test Methods for Chromium in Water

D858-17 Standard Test Methods for Manganese in Water

D5257-17 Standard Test Method for Dissolved Hexavalent Chromium in Water by Ion Chromatography

D3920-18 Standard Test Method for Strontium in Water

D1429-13 Standard Test Methods for Specific Gravity of Water and Brine (Withdrawn 2022)

D4309-18 Standard Practice for Sample Digestion Using Closed Vessel Microwave Heating Technique for the Determination of Total Metals in Water

D4382-18 Standard Test Method for Barium in Water, Atomic Absorption Spectrophotometry, Graphite Furnace

D5907-18 Standard Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matter (Total Suspended Solids) in Water

D1688-17 Standard Test Methods for Copper in Water

D6800-18 Standard Practice for Preparation of Water Samples Using Reductive Precipitation Preconcentration Technique for ICP-MS Analysis of Trace Metals

D6850-18 Standard Guide for QC of Screening Methods in Water

D6919-17 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography

D4328-18 Standard Practice for Calculation of Supersaturation of Barium Sulfate, Strontium Sulfate, and Calcium Sulfate Dihydrate (Gypsum) in Brackish Water, Seawater, and Brines

D4691-17 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry

D1126-17 Standard Test Method for Hardness in Water

D513-16 Standard Test Methods for Total and Dissolved Carbon Dioxide in Water

D888-18 Standard Test Methods for Dissolved Oxygen in Water

D4327-17 Standard Test Method for Anions in Water by Suppressed Ion Chromatography

D4658-15 Standard Test Method for Sulfide Ion in Water (Withdrawn 2024)

D4191-15 Standard Test Method for Sodium in Water by Atomic Absorption Spectrophotometry

D5673-16 Standard Test Method for Elements in Water by Inductively Coupled Plasma—Mass Spectrometry

D3559-15 Standard Test Methods for Lead in Water (Withdrawn 2024)

D4192-15 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry

D4127-18a Standard Terminology Used with Ion-Selective Electrodes

D1067-16 Standard Test Methods for Acidity or Alkalinity of Water

D8234-19 Standard Test Method for Anions in High Ionic Water by Ion Chromatography using Tandem Suppressed Conductivity and UV Detection

D3919-15 Standard Practice for Measuring Trace Elements in Water by Graphite Furnace Atomic Absorption Spectrophotometry

D1068-15 Standard Test Methods for Iron in Water

D1976-20 Standard Test Method for Elements in Water by Inductively-Coupled Plasma Atomic Emission Spectroscopy

D8294-21 Standard Practice for Estimating pH to Verify Status of Aqueous Samples

D859-16(2021)e1 Standard Test Method for Silica in Water

D1246-16(2021)e1 Standard Test Method for Bromide Ion in Water

D1179-16(2021)e1 Standard Test Methods for Fluoride Ion in Water

D1292-15(2021)e1 Standard Test Method for Odor in Water 

D1253-14(2021)e1 Standard Test Method for Residual Chlorine in Water

D511-14(2021)e1 Standard Test Methods for Calcium and Magnesium In Water

D1886-14(2021)e1 Standard Test Methods for Nickel in Water

D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water

D1971-16(2021)e1 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry

D3651-16(2021)e1 Standard Test Method for Barium in Brackish Water, Seawater, and Brines

D3561-16(2021)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry

D3867-16(2021)e1 Standard Test Methods for Nitrite-Nitrate in Water

D515-88 Test Methods for Phosphorus in Water (Withdrawn 1997)

D516-22 Standard Test Method for Sulfate Ion in Water

D512-23 Standard Test Methods for Chloride Ion In Water

D3868-15(2023) Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines

D3869-15(2023) Standard Test Methods for Iodide and Bromide Ions in Brackish Water, Seawater, and Brines

D3875-15(2023) Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines

D4458-15(2023) Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brines

D4638-16(2023) Standard Guide for Preparation of Biological Samples for Inorganic Chemical Analysis

D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase

D7980-15(2023) Standard Guide for Ion-Chromatographic Analysis of Anions in Grab Samples of Ultrapure Water (UPW) in the Semiconductor Industry

D8192-23 Standard Test Method for Hardness in Colored and Colorless Water

D2972-15(2023) Standard Test Methods for Arsenic in Water

D3558-15(2023) Standard Test Methods for Cobalt in Water

D3645-15(2023) Standard Test Methods for Beryllium in Water

D3859-15(2023) Standard Test Methods for Selenium in Water

D4190-15(2023) Standard Test Method for Elements in Water by Direct-Current Plasma Atomic Emission Spectroscopy

Membranes and Ion Exchange Materials

D3375-18 Standard Test Method for Column Capacity of Particulate Mixed Bed IonExchange Materials

D7601-19 Standard Practice for Pressure Driven Membrane Separation Element/Bundle Evaluation

D2687-95(2016) Standard Practices for Sampling Particulate Ion-Exchange Materials

D6302-98(2017) Standard Practice for Evaluating the Kinetic Behavior of Ion Exchange Resins

D3087-17 Standard Test Method for Operating Performance of Anion-Exchange Materials for Strong Acid Removal

D7513-17 Standard Test Method for Capacity of Mixed Bed Ion Exchange Cartridges

D1782-17 Standard Test Methods for Operating Performance of Particulate Cation-Exchange Materials

D4266-17 Standard Test Methods for Precoat Capacity of Powdered Ion-Exchange Resins

D2187-17 Standard Test Methods and Practices for Evaluating Physical and Chemical Properties of Particulate Ion-Exchange Resins

D4456-17 Standard Test Methods for Physical and Chemical Properties of Powdered Ion Exchange Resins

D5627-17 Standard Test Method for Water Extractable Residue from Particulate Ion-Exchange Resins

D4692-01(2017) Standard Practice for Calculation and Adjustment of Sulfate Scaling Salts (CaSO4, SrSO4, and BaSO4) for Reverse Osmosis and Nanofiltration

D7285-06(2017) Standard Guide for Recordkeeping Microfiltration and Ultrafiltration Systems

D6908-06(2017) Standard Practice for Integrity Testing of Water Filtration Membrane Systems

D5217-17 Standard Guide for Detection of Fouling and Degradation of Particulate Ion Exchange Materials

D6807-17 Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Reverse Osmosis Permeates from2 to 100 μS/cm

D8002-15e1 Standard Test Method for Modified Fouling Index (MFI-0.45) of Water (Withdrawn 2024)

D4516-19a Standard Practice for Standardizing Reverse Osmosis Performance Data

D4200-82(2019) Standard Test Method for Evaluating Inhibitory Effects of Ink Grids on Membrane Filters

D4196-05(2019) Standard Test Method for Confirming the Sterility of Membrane Filters

F316-03(2019) Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test

D4548-11(2019) Standard Test Method for Anion-Cation Balance of Mixed Bed Ion-Exchange Resins

D3739-19 Standard Practice for Calculation and Adjustment of the Langelier Saturation Index for Reverse Osmosis

D4199-82(2011) Standard Test Methods for Autoclavability of Membrane Filters (Withdrawn 2020)

D4993-08(2014) Standard Practice for Calculation and Adjustment of Silica (SiO2) Scaling for Reverse Osmosis (Withdrawn 2023)

D6161-19 Standard Terminology Used for Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis Membrane Processes

D5042-90(2009) Standard Test Method for Estimating the Organic Fouling of Particulate Anion Exchange Resins (Withdrawn 2018)

D7903-14(2020) Standard Practice for Determining the Capacity of Oxygen Removal Ion Exchange Cartridges

D4198-20 Standard Test Methods for Evaluating Absorbent Pads Used with Membrane Filters for Bacteriological Analysis and Growth 

D5090-20 Standard Practice for Standardizing Ultrafiltration Permeate Flow Performance Data

D8422-21 Standard Practice for Pre-Stressing Terminal Point-of-Use Water Filters before Testing by Test Method F838

D6529-22 Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50 μS/cm to 1000 μS/cm

D3861-22 Standard Test Method for Quantity of Water-Extractable Matter in Membrane Filters

D4194-23 Standard Test Methods for Operating Characteristics of Reverse Osmosis and Nanofiltration Devices

D3923-23 Standard Practices for Detecting Leaks in Reverse Osmosis and Nanofiltration Devices

D4195-23 Standard Guide for Water Analysis for Reverse Osmosis and Nanofiltration Application

D4582-23 Standard Practice for Calculation and Adjustment of the Stiff and Davis Stability Index for Reverse Osmosis

D4189-23 Standard Test Method for Silt Density Index (SDI) of Water

D5091-23 Standard Guide for Water Analysis for Electrodialysis/Electrodialysis Reversal Applications

D5131-23 Standard Guide for Record Keeping for Electrodialysis/Electrodialysis Reversal Systems

D5615-23 Standard Practice for Operating Characteristics of Home Reverse Osmosis Devices

D4472-23 Standard Guide for Recordkeeping for Reverse Osmosis and Nanofiltration Systems

Methods for Analysis for Organic Substances in Water

D8333-20 Standard Practice for Preparation of Water Samples with High, Medium, or Low Suspended Solids for Identification and Quantification of Microplastic Particles and Fibers Using Raman Spectroscopy, IR Spectroscopy, or Pyrolysis-GC/MS

D3086-85 Test Method for Organochlorine Pesticides in Water (Withdrawn 1996)

D7284-20 Standard Test Method for Total Cyanide in Water by Micro Distillation followed by Flow Injection Analysis with Gas Diffusion Separation and Amperometric Detection

D8332-20 Standard Practice for Collection of Water Samples with High, Medium, or Low Suspended Solids for Identification and Quantification of Microplastic Particles and Fibers

D4744-89(1995)e1 Standard Test Method for Organic Halides in Water by Carbon Adsorption-Microcoulometric Detection (Withdrawn 2002)

D5037-90(1996)e1 Standard Test Method for Comparison of Waterborne Petroleum Oils by High Performance Liquid Chromatography (Withdrawn 2002)

D5789-95 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Organic Constituents (Withdrawn 2002)

D7979-20 Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances in Water, Sludge, Influent, Effluent, and Wastewater by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

D5317-20 Standard Test Method for Determination of Chlorinated Organic Acid Compounds in Water by Gas Chromatography with an Electron Capture Detector

D3534-85(1995)e1 Standard Test Method for Polychlorinated Biphenyls (PCBs) in Water (Withdrawn 2004)

D3113-92(1998) Standard Test Methods for Sodium Salts of EDTA in Water (Withdrawn 2005)

D6156-97 Standard Practice for Use of Reversed-Phase High Performance Liquid Chromatographic Systems (Withdrawn 2007)

D4657-92(1998) Standard Test Method for Polynuclear Aromatic Hydrocarbons in Water (Withdrawn 2005)

D6697-01 Standard Test Method for Determination for Chemical Oxygen Demand (Manganese III Oxygen Demand) of Water (Withdrawn 2010)

D6592-01 Standard Test Method for Portable Chemiluminescent Water Quality Determination (Withdrawn 2010)

D6303-98 Standard Test Method for Formaldehyde in Water (Withdrawn 2007)

D2580-06(2012) Standard Test Method for Phenols in Water by Gas-Liquid Chromatography (Withdrawn 2021)

D4515-85(2001) Standard Practice for Estimation of Holding Time for Water Samples Containing Organic Constituents (Withdrawn 2006)

D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography

D5904-02(2017) Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

D7599-16(2017) Standard Test Method for Determination of Diethanolamine, Triethanolamine, N-Methyldiethanolamine and N-Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Spectrometry (L

D7600-16(2017) Standard Test Method for Determination of Aldicarb, Carbofuran, Oxamyl and Methomyl by Liquid Chromatography/Tandem Mass Spectrometry

D7511-12(2017)e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection

D7597-16(2017) Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Hydrogen Dimethylamidophosphate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Water by Liqu

D7598-16(2017) Standard Test Method for Determination of Thiodiglycol in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Spectrometry

D8084-17 Standard Test Method for Photoelectrochemical Oxygen Demand of Freshwater Sources for Drinking Water Treatment Plants and Treated Drinking Water

D7575-11(2017) Standard Test Method for Solvent-Free Membrane Recoverable Oil and Grease by Infrared Determination

D6889-03(2017) Standard Practice for Fast Screening for Volatile Organic Compounds in Water Using Solid Phase Microextraction (SPME)

D2908-91(2017) Standard Practice for Measuring Volatile Organic Matter in Water by Aqueous-Injection Gas Chromatography

D3415-98(2017) Standard Practice for Identification of Waterborne Oils

D3326-07(2017) Standard Practice for Preparation of Samples for Identification of Waterborne Oils

D3871-84(2017) Standard Test Method for Purgeable Organic Compounds in Water Using Headspace Sampling

D5241-92(2017) Standard Practice for Micro-Extraction of Water for Analysis of Volatile and Semi-Volatile Organic Compounds in Water

D5175-91(2017)e1 Standard Test Method for Organohalide Pesticides and Polychlorinated Biphenyls in Water by Microextraction and Gas Chromatography

D5316-98(2017) Standard Test Method for 1,2-Dibromoethane and 1,2-Dibromo-3-Chloropropane in Water by Microextraction and Gas Chromatography

D5315-04(2017)e1 Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization

D5788-95(2017) Standard Guide for Spiking Organics into Aqueous Samples

D6238-98(2017) Standard Test Method for Total Oxygen Demand in Water

D5412-93(2017)e1 Standard Test Method for Quantification of Complex Polycyclic Aromatic Hydrocarbon Mixtures or Petroleum Oils in Water

D6104-97(2017)e1 Standard Practice for Determining the Performance of Oil/Water Separators Subjected to Surface Run-Off

D6157-97(2017)e1 Standard Practice for Determining the Performance of Oil/Water Separators Subjected to a Sudden Release

D7730-17 Standard Test Method for Determination of Dioctyl Sulfosuccinate in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

D7065-17 Standard Test Method for Determination of Nonylphenol, Bisphenol A, p-tert-Octylphenol, Nonylphenol Monoethoxylate and Nonylphenol Diethoxylate in Environmental Waters by Gas Chromatography Mass Spectrometry

D7742-17 Standard Practice for Determination of Nonylphenol Polyethoxylates (NPnEO, 3 ≤ n ≤ 18) and Octylphenol Polyethoxylates (OPnEO, 2 ≤ n ≤ 12) in Water by Single Reaction Monitoring (SRM) Liquid Chromatography/ Tandem Mass Spectrometry (LC/MS/MS)

D7731-17 Standard Test Method for Determination of Dipropylene Glycol Monobutyl Ether and Ethylene Glycol Monobutyl Ether in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

D4489-95(2017) Standard Practices for Sampling of Waterborne Oils

D8028-17 Standard Test Method for Measurement of Dissolved Gases Methane, Ethane, Ethylene, and Propane by Static Headspace Sampling and Flame Ionization Detection (GC/FID)

D4839-03(2017) Standard Test Method for Total Carbon and Organic Carbon in Water by Ultraviolet, or Persulfate Oxidation, or Both, and Infrared Detection

D7728-18 Standard Guide for Selection of ASTM Analytical Methods for Implementation of International Cyanide Management Code Guidance

D3921-96(2011) Standard Test Method for Oil and Grease and Petroleum Hydrocarbons in Water (Withdrawn 2013)

D8193-18 Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbon (TPH) in Water and Wastewater with Solvent Extraction Using Non-Dispersive Mid-IR Transmission Spectroscopy

D4374-06 Standard Test Methods for Cyanides in Water-Automated Methods for Total Cyanide, Weak Acid Dissociable Cyanide, and Thiocyanate (Withdrawn 2013)

D6520-18 Standard Practice for the Solid Phase Micro Extraction (SPME) of Water and its Headspace for the Analysis of Volatile and Semi-Volatile Organic Compounds

D5790-18 Standard Test Method for Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry

D4128-18 Standard Guide for Identification and Quantitation of Organic Compounds in Water by Combined Gas Chromatography and Electron Impact Mass Spectrometry

D3973-85(2017) Standard Test Method for Low-Molecular Weight Halogenated Hydrocarbons in Water

D7573-18ae1 Standard Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection

D3694-96(2017) Standard Practices for Preparation of Sample Containers and for Preservation of Organic Constituents

D7066-04(2017) Standard Test Method for dimer/trimer of chlorotrifluoroethylene (S-316) Recoverable Oil and Grease and Nonpolar Material by Infrared Determination

D4281-95(2005)e1 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric Determination (Withdrawn 2012)

D7237-18 Standard Test Method for Free Cyanide and Aquatic Free Cyanide with Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection

D1252-06(2020) Standard Test Methods for Chemical Oxygen Demand (Dichromate Oxygen Demand) of Water

D1783-01(2020) Standard Test Methods for Phenolic Compounds in Water

D5739-06(2020) Standard Practice for Oil Spill Source Identification by Gas Chromatography and Positive Ion Electron Impact Low Resolution Mass Spectrometry

D3328-06(2020) Standard Test Methods for Comparison of Waterborne Petroleum Oils by Gas Chromatography

D4129-05(2020) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection

D3325-90(2020) Standard Practice for Preservation of Waterborne Oil Samples

D4165-06(2020)e1 Standard Test Method for Cyanogen Chloride in Water 

D4193-08(2020)e1 Standard Test Method for Thiocyanate in Water

D8273-20 Standard Practice for Determination of Total and Available Cyanide in Solid Waste and Soil after Alkaline Extraction

D3414-98(2011)e1 Standard Test Method for Comparison of Waterborne Petroleum Oils by Infrared Spectroscopy (Withdrawn 2018)

D2330-20 Standard Test Method for Methylene Blue Active Substances

D3650-93(2011) Standard Test Method for Comparison of Waterborne Petroleum Oils By Fluorescence Analysis (Withdrawn 2018)

D5812-96(2002)e1 Standard Test Method for Determination of Organochlorine Pesticides in Water by Capillary Column Gas Chromatography (Withdrawn 2011)

D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector (Withdrawn 2011)

D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection

D4763-06(2020) Standard Practice for Identification of Chemicals in Water by Fluorescence Spectroscopy

D2579-93e1 Standard Test Method for Total Organic Carbon in Water (Withdrawn 2002)

D3371-95 Standard Test Method for Nitriles in Aqueous Solution by Gas-Liquid Chromatography (Withdrawn 2002)

D4983-89(1996) Standard Test Method for Cyclohexylamine, Morpholine, and Diethylaminoethanol in Water and Condensed Steam by Direct Aqueous Injection Gas Chromatography (Withdrawn 2002)

D3695-95(2021)e1 Standard Test Method for Volatile Alcohols in Water by Direct Aqueous-Injection Gas Chromatography

D7363-13A(2021)e1 Standard Test Method for Determination of Parent and Alkyl Polycyclic Aromatics in Sediment Pore Water Using Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry in Selected Ion Monitoring Mode

D7365-09a(2022) Standard Practice for Sampling, Preservation and Mitigating Interferences in Water Samples for Analysis of Cyanide

D7572-15(2022) Standard Guide for Recovery of Aqueous Cyanides by Extraction from Mine Rock and Soil

D2036-09(2022) Standard Test Methods for Cyanides in Water

D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion

D8421-22 Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Matrices by Co-solvation followed by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

D8456-22 Standard Test Method for Determination of Nitrosamines in Water by Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

D8431-22 Standard Test Method for Detection of Water-soluble Petroleum Oils by A-TEEM Optical Spectroscopy and Multivariate Analysis

D7678-17(2022) Standard Test Method for Total Oil and Grease (TOG) and Total Petroleum Hydrocarbons (TPH) in Water and Wastewater with Solvent Extraction using Mid-IR Laser Spectroscopy

D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection

D7645-23 Standard Test Method for Determination of Aldicarb, Aldicarb Sulfone, Aldicarb Sulfoxide, Carbofuran, Methomyl, Oxamyl, and Thiofanox in Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

D8024-23 Standard Test Method for Determination of (Tri-n-butyl)-n-tetradecylphosphonium chloride (TTPC) in Water by Multiple Reaction Monitoring Liquid Chromatography/Mass Spectrometry (LC/MS/MS)

D8489-23e1 Standard Test Method for Determination of Microplastics Particle and Fiber Size, Distribution, Shape, and Concentration in Waters with High to Low Suspended Solids Using a Dynamic Image Particle Size and Shape Analyzer

D7485-23 Standard Test Method for Determination of Nonylphenol, p-tert-Octylphenol, Nonylphenol Monoethoxylate and Nonylphenol Diethoxylate in Environmental Waters by Liquid Chromatography/Tandem Mass Spectrometry

D8478-23 Standard Test Method for N-Hexane Recoverable Total Oil and Grease and Total Petroleum Hydrocarbons in Water by ATR-Infrared Determination

D7574-23 Standard Test Method for Determination of Bisphenol A in Environmental Waters by Liquid Chromatography/Tandem Mass Spectrometry

D7644-23 Standard Test Method for Determination of Bromadiolone, Brodifacoum, Diphacinone and Warfarin in Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

D8025-23 Standard Test Method for Determination of Select Pesticides in Water by Multiple Reaction Monitoring Liquid Chromatography Tandem Mass Spectrometry

D8402-23 Standard Practice for Development of Microplastic Reference Samples for Calibration and Proficiency Evaluation in All Types of Water Matrices with High to Low Levels of Suspended Solids

D6696-16(2023) Standard Guide for Understanding Cyanide Species

D6888-16(2023) Standard Test Method for Available Cyanides with Ligand Displacement and Flow Injection Analysis (FIA) Utilizing Gas Diffusion Separation and Amperometric Detection

D8543-23 Standard Test Method for Determination of Pesticides and Polychlorinated Biphenyls (PCBs) in Aqueous Solution by a Tandem Gas Chromatography/Mass Spectrometry/Mass Spectrometry (GC/MS/MS)

Methods of Radiochemical Analysis

D1943-20 Standard Test Method for Alpha Particle Radioactivity of Water 

D4107-20 Standard Test Method for Tritium in Drinking Water

D7784-20 Standard Practice for the Rapid Assessment of Gamma-ray Emitting Radionuclides in Environmental Media by Gamma Spectrometry

D7316-14 Standard Guide for Interpretation of Existing Field Instrumentation to Influence Emergency Response Decisions (Withdrawn 2023)

D7362-14 Standard Guide for Rapid Screening of Vegetation for Radioactive Strontium Aerial Deposition (Withdrawn 2023)

D7939-15 Standard Test Method for Rapid Radiochemical Determination of Americium-241 in Water (Withdrawn 2024)

D3972-09(2015) Standard Test Method for Isotopic Uranium in Water by Radiochemistry (Withdrawn 2024)

D3865-09(2015) Standard Test Method for Plutonium in Water (Withdrawn 2024)

D7535-09(2015) Standard Test Method for Lead-210 in Water (Withdrawn 2024)

D5072-09(2016) Standard Test Method for Radon in Drinking Water

D8026-16 Standard Practice for Determination of Tc-99 in Water by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

D8027-17 Standard Practice for Concentration of Select Radionuclides Using MnO2 for Measurement Purposes

D7283-17 Standard Test Method for Alpha and Beta Activity in Water By Liquid Scintillation Counting

D1890-15(2017) Standard Test Method for Beta Particle Radioactivity of Water

D4962-18 Standard Practice for NaI(Tl) Gamma-Ray Spectrometry of Water

D6239-09(2015) Standard Test Method for Uranium in Drinking Water by High-Resolution Alpha-Liquid-Scintillation Spectrometry (Withdrawn 2024)

D4785-20 Standard Test Method for Low-Level Analysis of Iodine Radioisotopes in Water

D7902-20 Standard Terminology for Radiochemical Analyses

D2460-07(2013) Standard Test Method for Alpha-Particle-Emitting Isotopes of Radium in Water (Withdrawn 2022)

D5811-20 Standard Test Method for Strontium-90 in Water

D3084-20 Standard Practice for Alpha-Particle Spectrometry of Water

D2907-97 Standard Test Methods for Microquantities of Uranium in Water by Fluorometry (Withdrawn 2003)

D3454-21 Standard Test Method for Radium-226 in Water 

D5411-21 Standard Practice for Calculation of Average Energy Per Disintegration (E) for a Mixture of Radionuclides in Reactor Coolant

D7727-21 Standard Practice for Calculation of Dose Equivalent Xenon (DEX) for Radioactive Xenon Fission Products in Reactor Coolant

D7938-21 Standard Practice for Sampling of C-14 in Gaseous Effluents

D4922-21 Standard Test Method for Determination of Radioactive Iron in Water

D7168-21 Standard Test Method for 99Tc in Water by Solid Phase Extraction Disk

D7282-21e1 Standard Practice for Setup, Calibration, and Quality Control of Instruments Used for Radioactivity Measurements

D8293-22 Standard Guide for Evaluating and Expressing the Uncertainty of Radiochemical Measurements

D5174-23 Standard Test Method for Trace Uranium in Water by Pulsed-Laser Phosphorimetry

D3648-23 Standard Practices for the Measurement of Radioactivity

D3649-23 Standard Practice for High-Resolution Gamma-Ray Spectrometry of Water

D8537-23 Standard Guide for Analysis of Calibration Data for Nuclear Instruments

Quality Systems, Specification, and Statistics

D7782-13 Standard Practice for Determination of the 99 %/95 % Critical Level (WCL) and a Reliable Detection Estimate (WDE) Based on Within-laboratory Data (Withdrawn 2022)

D5810-96(2021) Standard Guide for Spiking into Aqueous Samples 

D5172-91(2015) Standard Guide for Documenting the Standard Operating Procedures Used for the Analysis of Water (Withdrawn 2024)

D1141-98(2021) Standard Practice for Preparation of Substitute Ocean Water

D5851-95(2021) Standard Guide for Planning and Implementing a Water Monitoring Program

D7510-10(2016)e1 Standard Practice for Performing Detection and Quantitation Estimation and Data Assessment Utilizing DQCALC Software, based on ASTM Practices D6091 and D6512 of Committee D19 on Water

D3856-11(2015) Standard Guide for Management Systems in Laboratories Engaged in Analysis of Water (Withdrawn 2024)

D4840-99(2018)e1 Standard Guide for Sample Chain-of-Custody Procedures

D6145-97(2018) Standard Guide for Monitoring Sediment in Watersheds

D6568-00(2018) Standard Guide for Planning, Carrying Out, and Reporting Traceable Chemical Analyses of Water Samples

D6146-97(2018) Standard Guide for Monitoring Aqueous Nutrients in Watersheds

D6808-02(2018)e1 Standard Practice for Competency Requirements of Reference Material Producers for Water Analysis

D7729-12(2018)e1 Standard Practice for Determining and Expressing Precision of Measurement Results, in the Analysis of Water, as Relative Standard Deviation, Utilizing DQCALC Software

D596-01(2018) Standard Guide for Reporting Results of Analysis of Water

D5127-13(2018) Standard Guide for Ultra-Pure Water Used in the Electronics and Semiconductor Industries

D6362-98(2018) Standard Practice for Certificates of Reference Materials for Water Analysis

D5612-94(2018) Standard Guide for Quality Planning and Field Implementation of a Water Quality Measurement Program

D5196-06(2018) Standard Guide for Bio-Applications Grade Water

D5905-98(2018) Standard Practice for the Preparation of Substitute Wastewater

D4841-88(2018) Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents

D6689-01(2019)e1 Standard Guide for Optimizing, Controlling, and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization

D7366-08(2019) Standard Practice for Estimation of Measurement Uncertainty for Data from Regression-based Methods

D1193-06(2018) Standard Specification for Reagent Water

D4375-96(2011) Standard Practice for Basic Statistics in Committee D-19 on Water (Withdrawn 2018)

D6091-07(2014) Standard Practice for 99 %/95 % Interlaboratory Detection Estimate (IDE) for Analytical Methods with Negligible Calibration Error (Withdrawn 2023)

D6512-07(2014) Standard Practice for Interlaboratory Quantitation Estimate (Withdrawn 2023)

D8272-19 Standard Guide for Development and Optimization of D19 Chemical Analysis Methods Intended for EPA Compliance Reporting

D4210-89(1996)e1 Standard Practice for Intralaboratory Quality Control Procedures and a Discussion on Reporting Low-Level Data (Withdrawn 2002)

D7783-21 Standard Practice for Within-laboratory Quantitation Estimation (WQE)

D2777-21 Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

D5847-22 Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis

Sampling Water and Water-Formed Deposits, Analysis of Water for Power Generation and Process Use, On-Line Water Analysis, and Surveillance of Water

D4743-92(1996) Standard Test Method for Efficacy of Solvent Systems for Dissolving Water-Formed Deposits (Withdrawn 2003)

D5462-21 Standard Test Method for On-Line Measurement of Low-Level Dissolved Oxygen in Water

D6317-15 Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

D6504-11(2016)e1 Standard Practice for On-Line Determination of Cation Conductivity in High Purity Water

D5540-13(2021) Standard Practice for Flow Control and Temperature Control for On-Line Water Sampling and Analysis

D1192-98 Standard Guide for Equipment for Sampling Water and Steam in Closed Conduits (Withdrawn 2003)

D5996-16 Standard Test Method for Measuring Anionic Contaminants in High-Purity Water by On-Line Ion Chromatography

D4519-16 Standard Test Method for On-Line Determination of Anions and Carbon Dioxide in High Purity Water by Cation Exchange and Degassed Cation Conductivity

D5543-21 Standard Test Method for Low-Level Dissolved Oxygen in Water

D4453-17 Standard Practice for Handling of High Purity Water Samples

D1245-17 Standard Practice for Examination of Water-Formed Deposits by Chemical Microscopy

D1293-18 Standard Test Methods for pH of Water

D4188-17 Standard Practice for Performing Pressure In-Line Coagulation-Flocculation-Filtration Test in Water

D3370-18 Standard Practices for Sampling Water from Flowing Process Streams

D4778-15 Standard Test Method for Determination of Corrosion and Fouling Tendency of Cooling Water Under Heat Transfer Conditions (Withdrawn 2024)

D1385-07(2018)e1 Standard Test Method for Hydrazine in Water

D5464-16 Standard Test Method for pH Measurement of Water of Low Conductivity

D807-18 Standard Practice for Assessing the Tendency of Industrial Boiler Waters to Cause Embrittlement (USBM Embrittlement Detector Method)

D1066-18e1 Standard Practice for Sampling Steam

D2186-05(2009) Standard Test Methods for Deposit-Forming Impurities in Steam (Withdrawn 2014)

D5542-16 Standard Test Methods for Trace Anions in High Purity Water by Ion Chromatography

D2035-19 Standard Practice for Coagulation-Flocculation Jar Test of Water

D6698-14 Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water (Withdrawn 2023)

D5997-15 Standard Test Method for On-Line Monitoring of Total Carbon, Inorganic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

D2791-19 Standard Test Method for On-Line Determination of Sodium in Water

D933-20 Standard Practice for Reporting Results of Examination and Analysis of Water-Formed Deposits

D3263-03 Standard Test Methods for Corrosivity of Solvent Systems for Removing Water-Formed Deposits (Withdrawn 2008)

D3864-12(2021) Standard Guide for On-Line Monitoring Systems for Water Analysis

D8361-20 Standard Test Method for Total Organic Carbon in Water by Two Stage Wet Chemical Catalyzed Hydroxyl Radical Oxidation with Infra-Red Detection of Resulting Carbon Dioxide

D4779-93 Standard Test Method for Total, Organic, and Inorganic Carbon in High Purity Water by Ultraviolet (UV) or Persulfate Oxidation, or Both, and Infrared Detection (Withdrawn 2002)

D2332-13(2021) Standard Practice for Analysis of Water-Formed Deposits by Wavelength-Dispersive X-Ray Fluorescence

D6301-21 Standard Practice for Collection of On-Line Composite Samples of Suspended Solids and Ionic Solids in Process Water

D887-13(2022) Standard Practices for Sampling Water-Formed Deposits

D2331-08(2022) Standard Practices for Preparation and Preliminary Testing of Water-Formed Deposits

D934-22 Standard Practices for Identification of Crystalline Compounds in Water-Formed Deposits By X-Ray Diffraction

D1498-14(2022)e1 Standard Test Method for Oxidation-Reduction Potential of Water

D5128-14(2022) Standard Test Method for On-Line pH Measurement of Water of Low Conductivity

D3483-14(2022) Standard Test Methods for Accumulated Deposition in a Steam Generator Tube

D5256-14(2022) Standard Test Method for Relative Efficacy of Dynamic Solvent Systems for Dissolving Water-Formed Deposits

D6071-14(2022) Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy

D6502-10(2022) Standard Test Method for Measurement of On-line Integrated Samples of Low Level Suspended Solids and Ionic Solids in Process Water by X-Ray Fluorescence (XRF)

D5391-23 Standard Test Method for Electrical Conductivity and Resistivity of a Flowing High Purity Water Sample

D1125-23 Standard Test Methods for Electrical Conductivity and Resistivity of Water

D4517-15(2023) Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy

D6569-23 Standard Test Method for On-Line Measurement of pH

D5173-15(2023) Standard Guide for On-Line Monitoring of Total Organic Carbon in Water by Oxidation and Detection of Resulting Carbon Dioxide

D7126-15(2023) Standard Test Method for On-Line Colorimetric Measurement of Silica

D1291-17(2023) Standard Practice for Estimation of Chlorine Demand of Water

D7677-16(2023) Standard Test Method for the Continuous Measurement of Dissolved Ozone in Low Conductivity Water

D7725-17(2023) Standard Test Method for the Continuous Measurement of Turbidity Above 1 Turbidity Unit (TU)

D5544-16(2023) Standard Test Method for On-Line Measurement of Residue After Evaporation of High-Purity Water

D2688-23 Standard Test Method for Determination of Corrosion Rate in a Water System in the Absence of Heat Transfer (Weight Loss Method)

Sediments, Geomorphology, and Open-Channel Flow

D5129-95(2014)e1 Standard Test Method for Open Channel Flow Measurement of Water Indirectly by Using Width Contractions (Withdrawn 2023)

D4410-16 Terminology for Fluvial Sediment

D5765-16 Standard Practice for Solvent Extraction of Total Petroleum Hydrocarbons from Soils and Sediments Using Closed Vessel Microwave Heating

D1889-00 Standard Test Method for Turbidity of Water (Withdrawn 2007)

D6764-02(2019) Standard Guide for Collection of Water Temperature, Dissolved-Oxygen Concentrations, Specific Electrical Conductance, and pH Data from Open Channels

D3975-93(2019) Standard Practice for Development and Use (Preparation) of Samples for Collaborative Testing of Methods for Analysis of Sediments

D3977-97(2019) Standard Test Methods for Determining Sediment Concentration in Water Samples

D4411-03(2019) Standard Guide for Sampling Fluvial Sediment in Motion

F660-83(2019) Standard Practice for Comparing Particle Size in the Use of Alternative Types of Particle Counters

D4822-88(2019) Standard Guide for Selection of Methods of Particle Size Analysis of Fluvial Sediments (Manual Methods)

D5389-93(2019) Standard Test Method for Open-Channel Flow Measurement by Acoustic Velocity Meter Systems

D5387-93(2019) Standard Guide for Elements of a Complete Data Set for Non-Cohesive Sediments

D4823-95(2019) Standard Guide for Core Sampling Submerged, Unconsolidated Sediments

D5243-92(2019) Standard Test Method for Open-Channel Flow Measurement of Water Indirectly at Culverts

D4409-95(2014) Standard Test Method for Velocity Measurements of Water in Open Channels with Rotating Element Current Meters (Withdrawn 2023)

D4581-86(2005) Standard Guide for Measurement of Morphologic Characteristics of Surface Water Bodies (Withdrawn 2013)

D3858-95(2014) Standard Test Method for Open-Channel Flow Measurement of Water by Velocity-Area Method (Withdrawn 2023)

D5614-94(2014) Standard Test Method for Open Channel Flow Measurement of Water with Broad-Crested Weirs (Withdrawn 2023)

D6318-03(2014) Standard Practice for Calibrating a Fathometer Using a Bar Check Method (Withdrawn 2023)

D5640-95(2014) Standard Guide for Selection of Weirs and Flumes for Open-Channel Flow Measurement of Water (Withdrawn 2023)

D5130-95(2014) Standard Test Method for Open-Channel Flow Measurement of Water Indirectly by Slope-Area Method (Withdrawn 2023)

D5089-95(2014) Standard Test Method for Velocity Measurements of Water in Open Channels with Electromagnetic Current Meters (Withdrawn 2023)

D5541-94(2014) Standard Practice for Developing a Stage-Discharge Relation for Open Channel Flow (Withdrawn 2023)

D5613-94(2014) Standard Test Method for Open-Channel Measurement of Time of Travel Using Dye Tracers (Withdrawn 2023)

D4698-21 Standard Practice for Total Digestion of Sediment Samples for Chemical Analysis of Various Metals

D1941-21 Standard Test Method for Open Channel Flow Measurement of Water with the Parshall Flume

D5073-21 Standard Practice for Depth Measurement of Surface Water

D5242-21 Standard Test Method for Open-Channel Flow Measurement of Water with Thin-Plate Weirs

D5390-21 Standard Test Method for Open-Channel Flow Measurement of Water with Palmer-Bowlus Flumes

D5388-21 Standard Test Method for Indirect Measurements of Discharge by Step-Backwater Method

D5413-21 Standard Test Methods for Measurement of Water Levels in Open-Water Bodies

D5074-90(2022) Standard Practice for Preparation of Natural-Matrix Sediment Reference Samples for Major and Trace Inorganic Constituents Analysis by Partial Extraction Procedures

D3976-22 Standard Practice for Preparation of Sediment Samples for Chemical Analysis

D5258-22 Standard Practice for Acid-Extraction of Elements from Sediments Using Closed Vessel Microwave Heating

D5674-22 Standard Guide for Operation of a Gaging Station

D5906-21 Standard Guide for Measuring Horizontal Positioning During Measurements of Surface Water Depths

D6326-22 Standard Practice for Selection of Maximum Transit-Rate Ratios and Depths for the U.S. Series of Isokinetic Suspended-Sediment Samplers

D7937-15(2023) Standard Test Method for In-situ Determination of Turbidity Above 1 Turbidity Unit (TU) in Surface Water

D6855-17(2023) Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode

D7315-17(2023) Standard Test Method for Determination of Turbidity Above 1 Turbidity Unit (TU) in Static Mode

D7726-11(2023) Standard Guide for The Use of Various Turbidimeter Technologies for Measurement of Turbidity in Water

D3974-09(2023) Standard Practices for Extraction of Trace Elements from Sediments

D7512-09(2023) Standard Guide for Monitoring of Suspended-Sediment Concentration in Open Channel Flow Using Optical Instrumentation

Water Microbiology

D3870-91 Standard Practice for Establishing Performance Characteristics for Colony Counting Methods in Microbiology (Withdrawn 2000)

D4201-96 Standard Test Method for Coliphages in Water (Withdrawn 2005)

F488-95 Standard Test Method for On-site Screening of Heterotrophic Bacteria in Water (Withdrawn 2004)

D8243-19 Standard Test Method for Determination of APS Reductase to Estimate Sulfate Reducing Bacterial Bioburdens in Water – Enzyme-Linked Immunosorbent Assay Method

E1201-19 Standard Practice for Sampling Zooplankton with Conical Tow Nets

E1200-19 Standard Practice for Preserving Zooplankton Samples

E1199-19 Standard Practice for Sampling Zooplankton with a Clarke-Bumpus Plankton Sampler

E1198-19 Standard Practice for Sampling Zooplankton with Pumps

D4131-19 Standard Practice for Sampling Fish with Rotenone

D5392-19 Standard Test Method for Isolation and Enumeration of Escherichia coli in Water by the Two-Step Membrane Filter Procedure

D5245-19 Standard Practice for Cleaning Laboratory Glassware, Plasticware, and Equipment Used in Microbiological Analyses

D4994-19 Standard Practice for Recovery of Viruses from Wastewater Sludges

D5259-19 Standard Test Method for Isolation and Enumeration of Enterococci from Water by the Membrane Filter Procedure

D6503-19 Standard Test Method for Enterococci in Water Using Enterolert

D3862-13(2019) Standard Test Method for Retention Characteristics of 0.2-µm Membrane Filters Used in Routine Filtration Procedures for the Evaluation of Microbiological Water Quality

D4412-19 Standard Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits

D5246-19 Standard Test Method for Isolation and Enumeration of Pseudomonas aeruginosa from Water

D6530-19 Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)

D4211-21 Standard Guide for Fish Sampling

D932-20 Standard Practice for Filamentous Iron Bacteria in Water and Water-Formed Deposits

D5465-16(2020) Standard Practices for Determining Microbial Colony Counts from Waters Analyzed by Plating Methods

D4135-82(2012) Standard Practice for Sampling Phytoplankton With Depth-Integrating Samplers (Withdrawn 2020)

D4134-82(2012) Standard Practice for Sampling Phytoplankton with a Clarke-Bumpus Plankton Sampler (Withdrawn 2020)

D4455-85(2014) Standard Test Method for Enumeration of Aquatic Bacteria by Epifluorescence Microscopy Counting Procedure (Withdrawn 2019)

D4133-82(2012) Standard Practice for Sampling Phytoplankton with Pumps (Withdrawn 2020)

D4454-85(2009) Standard Test Method for Simultaneous Enumeration of Total and Respiring Bacteria in Aquatic Systems by Microscopy (Withdrawn 2015)

D4249-83(2005) Standard Test Method for Enumeration of Candida albicans in Water (Withdrawn 2013)

D4132-82(2012) Standard Practice for Sampling Phytoplankton with Conical Tow Nets (Withdrawn 2020)

D4136-82(2012) Standard Practice for Sampling Phytoplankton with Water-Sampling Bottles (Withdrawn 2020)

D4149-82(2012) Standard Classification for Sampling Phytoplankton in Surface Waters (Withdrawn 2020)

D4148-82(2012) Standard Test Method for Analysis of Phytoplankton in Surface Water by the Sedgwick-Rafter Method (Withdrawn 2020)

D4137-82(2012) Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020)

D6734-01(2009) Standard Test Method for Low Levels of Coliphages in Water (Withdrawn 2015)

D5916-96(2002) Standard Test Method for Detection and Enumeration of Clostridium perfringens from Water and Extracted Sediments by Membrane Filtration (MF) (Withdrawn 2011)

D5244-92(2004) Standard Practice for Recovery of Enteroviruses from Waters (Withdrawn 2013)

D3731-20 Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters

D8429-21 Standard Test Method for Legionella pneumophila in Water Samples Using Legiolert

D3863-22 Standard Test Method for Retention Characteristics of 0.40 to 0.45 μm Membrane Filters Used in Routine Filtration Procedures for the Evaluation of Microbiological Water Quality 

D8516-23 Standard Test Method for Quantification of Culturable Waterborne Bacteria Using a Defined Culture Medium Coated Plate

D4012-23a Standard Test Method for Adenosine Triphosphate (ATP) Content of Microorganisms in Water