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Subcommittee D18.21 on G…
Subcommittee D18.21 on Groundwater and Vadose Zone Investigations
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Matching Standards Under the Jurisdiction of D18.21 by Status
Active
72 matching standards
D4105/D4105M-20 Standard Practice for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Modified Theis Nonequilibrium Method
D4696-18 Standard Guide for Pore-Liquid Sampling from the Vadose Zone
D5299/D5299M-18 Standard Guide for Decommissioning of Groundwater Wells, Vadose Zone Monitoring Devices, Boreholes, and Other Devices for Environmental Activities
D5783-18(2025) Standard Guide for Use of Direct Rotary Drilling with Water-Based Drilling Fluid for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices
-See also WK91881 proposed Reapproval
D5875/D5875M-18(2025) Standard Guide for Use of Cable-Tool Drilling and Sampling Methods for Geoenvironmental Exploration and Installation of Subsurface Water Quality Monitoring Devices
-See also WK91884 proposed Reapproval
D5472/D5472M-20 Standard Practice for Determining Specific Capacity and Estimating Transmissivity at the Control Well
D5473/D5473M-20 Standard Practice for (Analytical Procedures) Analyzing the Effects of Partial Penetration of Control Well and Determining the Horizontal and Vertical Hydraulic Conductivity in a Nonleaky Confined Aquifer
D5850-20 Standard Practice for (Analytical Procedure) Determining Transmissivity, Storage Coefficient, and Anisotropy Ratio from a Network of Partially Penetrating Wells
D5912-20 Standard Practice for (Analytical Procedure) Determining Hydraulic Conductivity of an Unconfined Aquifer by Overdamped Well Response to Instantaneous Change in Head (Slug)
D5920/D5920M-20 Standard Practice for (Analytical Procedure) Tests of Anisotropic Unconfined Aquifers by Neuman Method
D5981/D5981M-18 Standard Guide for Calibrating a Groundwater Flow Model Application
D6001/D6001M-20 Standard Guide for Direct-Push Groundwater Sampling for Environmental Site Characterization
D6028/D6028M-20 Standard Practice for (Analytical Procedure) Determining Hydraulic Properties of a Confined Aquifer Taking into Consideration Storage of Water in Leaky Confining Beds by Modified Hantush Method
D6029/D6029M-20 Standard Practice for (Analytical Procedures) Determining Hydraulic Properties of a Confined Aquifer and a Leaky Confining Bed with Negligible Storage by the Hantush-Jacob Method
D6034-20 Standard Practice for (Analytical Procedure) Determining the Efficiency of a Production Well in a Confined Aquifer from a Constant Rate Pumping Test
D7352-18 Standard Practice for Volatile Contaminant Logging Using a Membrane Interface Probe (MIP) in Unconsolidated Formations with Direct Push Methods
-See also WK91877 proposed Reapproval
D7758-17 Standard Practice for Passive Soil Gas Sampling in the Vadose Zone for Source Identification, Spatial Variability Assessment, Monitoring, and Vapor Intrusion Evaluations
D8037/D8037M-24 Standard Practice for Direct Push Hydraulic Logging for Profiling Variations of Permeability in Soils
-See also WK85553 proposed Reapproval
D8408/D8408M-21 Standard Guide for Development of Long-Term Monitoring Plans for Vapor Mitigation Systems
D6170-17 Standard Guide for Selecting a Groundwater Modeling Code
D5088-20 Standard Practice for Decontamination of Field Equipment Used at Waste Sites
D6030-25 Standard Guide for Selection of Methods for Assessing Sensitivity and Vulnerability of Groundwater in Intergranular Aquifers
-See also
WK89581
proposed Reinstatement
-See also
WK76196
proposed Revision
D4050-20 Standard Test Method for (Field Procedure) for Withdrawal and Injection Well Testing for Determining Hydraulic Properties of Aquifer Systems
D4630-19 Standard Test Method for Determining Transmissivity and Storage Coefficient of Low-Permeability Rocks by In Situ Measurements Using the Constant Head Injection Test
D4631-18 Standard Test Method for Determining Transmissivity and Storativity of Low Permeability Rocks by In Situ Measurements Using Pressure Pulse Technique
D5737/D5737M-19 Standard Guide for Methods for Measuring Well Discharge
D5745-23 Standard Guide for Developing and Implementing Interim and Early Actions for Waste Contamination Site Remediation
-See also
WK88614
proposed Revision
D5781/D5781M-18(2025) Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water Quality Monitoring Devices
-See also WK91879 proposed Reapproval
D5782-18 Standard Guide for Use of Direct Air-Rotary Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices
-See also WK89585 proposed Reapproval
D5784/D5784M-18(2025) Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water Quality Monitoring Devices
-See also WK91882 proposed Reapproval
D5979-96(2019)e1 Standard Guide for Conceptualization and Characterization of Groundwater Systems
D6089-19(2023) Standard Guide for Documenting a Groundwater Sampling Event
D6169/D6169M-21 Standard Guide for Selection of Subsurface Soil and Rock Sampling Devices for Environmental and Geotechnical Investigations
D6286/D6286M-20 Standard Guide for Selection of Drilling and Direct Push Methods for Geotechnical and Environmental Subsurface Site Characterization
D6517-18(2023) Standard Guide for Field Preservation of Ground Water Samples
D7262-23 Standard Test Methods for Estimating the Permanganate Natural Oxidant Demand of Soil and Aquifer Solids
-See also
WK88626
proposed Revision
D6914/D6914M-16(2024) Standard Practice for Sonic Drilling for Site Characterization and the Installation of Subsurface Monitoring Devices
D5270/D5270M-20 Standard Practice for (Analytical Procedures) Determining Transmissivity and Storage Coefficient of Bounded, Nonleaky, Confined Aquifers
D5447-17 Standard Guide for Application of a Numerical Groundwater Flow Model to a Site-Specific Problem
D5716/D5716M-20 Standard Test Method for Measuring the Rate of Well Discharge by Circular Orifice Weir
D6031/D6031M-24 Standard Test Method for Logging In Situ Moisture Content and Density of Soil and Rock by the Nuclear Method in Horizontal, Slanted, and Vertical Access Tubes
-See also WK85554 proposed Reapproval
-See also
WK89410
proposed Revision
D6067/D6067M-17 Standard Practice for Using the Electronic Piezocone Penetrometer Tests for Environmental Site Characterization and Estimation of Hydraulic Conductivity
-See also
WK95612
proposed Revision
-See also WK91876 proposed Reapproval
D6452-18(2023) Standard Guide for Purging Methods for Wells Used for Ground Water Quality Investigations
D8106-17 Standard Test Methods for Determining the Oil Sorption Capacity of Organophilic Clay
-See also
WK88234
proposed Revision
-See also WK85557 proposed Reapproval
D4043-17 Standard Guide for Selection of Aquifer Test Method in Determining Hydraulic Properties by Well Techniques
-See also WK89584 proposed Reapproval
D5855/D5855M-20 Standard Practice for (Analytical Procedure) Determining Transmissivity and Storage Coefficient of Confined Nonleaky or Leaky Aquifer by Constant Drawdown Method in Flowing Well
D6312-17 Standard Guide for Developing Appropriate Statistical Approaches for Groundwater Detection Monitoring Programs at Waste Disposal Facilities
D7045-17 Standard Guide for Optimization of Groundwater Monitoring Constituents for Detection Monitoring Programs for Waste Disposal Facilities
D8460-22 Standard Test Method for Quantification of Volatile Organic Compounds Using Proton Transfer Reaction Mass Spectrometry
D6564/D6564M-17(2024) Standard Guide for Field Filtration of Groundwater Samples
D4104/D4104M-20 Standard Practice for (Analytical Procedures) Determining Transmissivity of Nonleaky Confined Aquifers by Overdamped Well Response to Instantaneous Change in Head (Slug Tests)
D4106-20 Standard Practice for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Theis Nonequilibrium Method
D5092/D5092M-16(2024) Standard Practice for Design and Installation of Groundwater Monitoring Wells
D5521/D5521M-18(2025) Standard Guide for Development of Groundwater Monitoring Wells in Granular Aquifers
-See also WK91878 proposed Reapproval
D5785/D5785M-20 Standard Practice for (Analytical Procedure) for Determining Transmissivity of Confined Nonleaky Aquifers by Underdamped Well Response to Instantaneous Change in Head (Slug Test)
D5786-17 Standard Practice for (Field Procedure) for Constant Drawdown Tests in Flowing Wells for Determining Hydraulic Properties of Aquifer Systems
-See also WK85555 proposed Reapproval
D5787-20 Standard Practice for Monitoring Well Protection At or Near Land Surface
D5872/D5872M-18(2025) Standard Guide for Use of Casing Advancement Drilling Methods for Geoenvironmental Exploration and Installation of Subsurface Water Quality Monitoring Devices
-See also WK91883 proposed Reapproval
D5876/D5876M-17(2024) Standard Guide for Use of Direct Rotary Wireline Casing Advancement Drilling Methods for Geoenvironmental Exploration and Installation of Subsurface Water-Quality Monitoring Devices
D5881-20 Standard Practice for (Analytical Procedures) Determining Transmissivity of Confined Nonleaky Aquifers by Critically Damped Well Response to Instantaneous Change in Head (Slug)
D5903-96(2023) Standard Guide for Planning and Preparing for a Groundwater Sampling Event
D5978/D5978M-16(2024) Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring Wells
D5980-16(2024) Standard Guide for Selection and Documentation of Existing Wells for Use in Environmental Site Characterization and Monitoring
D6282/D6282M-25 Standard Guide for Direct Push Soil Sampling for Environmental Site Characterizations
-See also
WK85810
proposed Reinstatement
D6724/D6724M-16(2024)e1 Standard Guide for Installation of Direct Push Groundwater Monitoring Wells
D6725/D6725M-16(2024)e1 Standard Practice for Direct Push Installation of Prepacked Screen Monitoring Wells in Unconsolidated Aquifers
D6771-21 Standard Practice for Low-Flow Purging and Sampling Used for Groundwater Monitoring
D7069-24 Standard Guide for Field Quality Assurance in a Groundwater Sampling Event
D7663-12(2024) Standard Practice for Active Soil Gas Sampling in the Vadose Zone for Vapor Intrusion Evaluations
D7929-20 Standard Guide for Selection of Passive Techniques for Sampling Groundwater Monitoring Wells
D7626-19e1 Standard Test Methods for Determining the Organic Treat Loading of Organophilic Clay
D8170-20 Standard Guide for Using Disposable Handheld Soil Core Samplers for the Collection and Storage of Soil for Volatile Organic Analysis
Proposed New
1 matching standards
WK66935
Detection of Hydrocarbon Liquids in Soils by Fluorescence with the Optical Imaging Profiler Using Direct Push Methods
Withdrawn, Replaced
60 matching standards
D7242/D7242M-06(2013)e1 Standard Practice for Field Pneumatic Slug (Instantaneous Change in Head) Tests to Determine Hydraulic Properties of Aquifers with Direct Push Groundwater Samplers (Withdrawn 2022)
-See also
WK87723
proposed Reinstatement
D7648/D7648M-18 Standard Practice for Active Soil Gas Sampling for Direct Push or Manual-Driven Hand-Sampling Equipment (Withdrawn 2024)
D3404-15 Standard Guide for Measuring Matric Potential in Vadose Zone Using Tensiometers (Withdrawn 2024)
D4700-15 Standard Guide for Soil Sampling from the Vadose Zone (Withdrawn 2024)
D5474-93(2012) Standard Guide for Selection of Data Elements for Groundwater Investigations (Withdrawn 2021)
D4750-87(2001) Standard Test Method for Determining Subsurface Liquid Levels in a Borehole or Monitoring Well (Observation Well) (Withdrawn 2010)
D5473 Standard Test Method for (Analytical Procedure for) Analyzing the Effects of Partial Penetration of Control Well and Determining the Horizontal and Vertical Hydraulic Conductivity in a Nonleaky Confined Aquifer (Withdrawn 2015)
D5716 Standard Test Method for Measuring the Rate of Well Discharge by Circular Orifice Weir (Withdrawn 2015)
D5719-13 Standard Guide for Simulation of Subsurface Airflow Using Groundwater Flow Modeling Codes (Withdrawn 2022)
D5981 Standard Guide for Calibrating a Groundwater Flow Model Application (Withdrawn 2017)
D5718-13 Standard Guide for Documenting a Groundwater Flow Model Application (Withdrawn 2022)
D5754-95(2006) Standard Guide for Displaying the Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements
Trilinear Diagrams for Two or More Analyses (Withdrawn 2015)
D5981-96(2008) Standard Guide for Calibrating a Groundwater Flow Model Application (Withdrawn 2017)
D6025-96(2008) Standard Guide for Developing and Evaluating Groundwater Modeling Codes (Withdrawn 2017)
D5254_D5254M Standard Practice for Minimum Set of Data Elements to Identify a Groundwater Site (Withdrawn 2019)
D5314 Standard Guide for Soil Gas Monitoring in the Vadose Zone (Withdrawn 2015)
D5408 Standard Guide for Set of Data Elements to Describe a Groundwater Site;
Part One
Additional Identification Descriptors (Withdrawn 2019)
D5409_D5409M Standard Guide for Set of Data Elements to Describe a Groundwater Site; Part Two
Physical Descriptors (Withdrawn 2019)
D5738-95(2006) Standard Guide for Displaying the Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements
Diagrams for Single Analyses (Withdrawn 2015)
D5911_D5911M Standard Practice for Minimum Set of Data Elements to Identify a Soil Sampling Site (Withdrawn 2019)
D6025 Standard Guide for Developing and Evaluating Groundwater Modeling Codes (Withdrawn 2017)
D6106 Standard Guide for Establishing Nomenclature of Groundwater Aquifers (Withdrawn 2019)
D6168 Standard Guide for Selection of Minimum Set of Data Elements Required to Identify Locations Chosen for Field Collection of Information to Describe Soil, Rock, and Their Contained Fluids (Withdrawn 2019)
D6171 Standard Guide for Documenting a Groundwater Modeling Code (Withdrawn 2019)
D6642 Standard Guide for Comparison of Techniques to Quantify the Soil-Water (Moisture) Flux (Withdrawn 2015)
D5911/D5911M-96(2010)e1 Standard Practice for Minimum Set of Data Elements to Identify a Soil Sampling Site (Withdrawn 2019)
D6642-01(2006) Standard Guide for Comparison of Techniques to Quantify the Soil-Water (Moisture) Flux (Withdrawn 2015)
D6000/D6000M-15e1 Standard Guide for Presentation of Water-Level Information from Groundwater Sites (Withdrawn 2024)
D6565-00(2005) Standard Test Method for Determination of Water (Moisture) Content of Soil by the Time-Domain Reflectometry (TDR) Method (Withdrawn 2014)
D4044/D4044M-15 Standard Test Method for (Field Procedure) for Instantaneous Change in Head (Slug) Tests for Determining Hydraulic Properties of Aquifers (Withdrawn 2024)
-See also
WK76118
proposed Revision
D5126-16e1 Standard Guide for Comparison of Field Methods for Determining Hydraulic Conductivity in Vadose Zone (Withdrawn 2025)
-See also
WK93842
proposed Reinstatement
-See also
WK85572
proposed Revision
D5269-15 Standard Test Method for Determining Transmissivity of Nonleaky Confined Aquifers by the Theis Recovery Method (Withdrawn 2024)
-See also
WK76195
proposed Revision
D5409/D5409M-93(2010)e1 Standard Guide for Set of Data Elements to Describe a Groundwater Site; Part Two
Physical Descriptors (Withdrawn 2019)
D5410-93(2007) Standard Guide for Set of Data Elements to Describe a Groundwater Site;
Part Three
Usage Descriptors (Withdrawn 2016)
D5877-95(2005) Standard Guide for Displaying Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements
Diagrams Based on Data Analytical Calculations (Withdrawn 2014)
D5408-93(2010)e1 Standard Guide for Set of Data Elements to Describe a Groundwater Site;
Part One
Additional Identification Descriptors (Withdrawn 2019)
D5490-93(2014)e1 Standard Guide for Comparing Groundwater Flow Model Simulations to Site-Specific Information (Withdrawn 2023)
D5609-16 Standard Guide for Defining Boundary Conditions in Groundwater Flow Modeling (Withdrawn 2025)
D5880-95(2006) Standard Guide for Subsurface Flow and Transport Modeling (Withdrawn 2015)
D6106-97(2010) Standard Guide for Establishing Nomenclature of Groundwater Aquifers (Withdrawn 2019)
D6171-97(2010) Standard Guide for Documenting a Groundwater Modeling Code (Withdrawn 2019)
D5610-94(2014) Standard Guide for Defining Initial Conditions in Groundwater Flow Modeling (Withdrawn 2023)
D5611-94(2016) Standard Guide for Conducting a Sensitivity Analysis for a Groundwater Flow Model Application (Withdrawn 2025)
D5754 Standard Guide for Displaying the Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements
Trilinear Diagrams for Two or More Analyses (Withdrawn 2015)
D6033-16 Standard Guide for Describing the Functionality of a Groundwater Modeling Code (Withdrawn 2025)
D6036-96(2014) Standard Guide for Displaying the Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements—Use of Maps (Withdrawn 2023)
D6168-97(2010) Standard Guide for Selection of Minimum Set of Data Elements Required to Identify Locations Chosen for Field Collection of Information to Describe Soil, Rock, and Their Contained Fluids (Withdrawn 2019)
D6187 Standard Practice for Cone Penetrometer Technology Characterization of Petroleum Contaminated Sites with Nitrogen Laser-Induced Fluorescence (Withdrawn 2019)
D6911-15 Standard Guide for Packaging and Shipping Environmental Samples for Laboratory Analysis (Withdrawn 2024)
D5254/D5254M-92(2010)e1 Standard Practice for Minimum Set of Data Elements to Identify a Groundwater Site (Withdrawn 2019)
D5314-92(2006) Standard Guide for Soil Gas Monitoring in the Vadose Zone (Withdrawn 2015)
D5410 Standard Guide for Set of Data Elements to Describe a Groundwater Site;
Part Three
Usage Descriptors (Withdrawn 2016)
D5608-16 Standard Practices for Decontamination of Sampling and Non Sample Contacting Equipment Used at Low Level Radioactive Waste Sites (Withdrawn 2025)
-See also WK87722 proposed Revision
-See also WK84671 proposed Reapproval
D5717-95e1 Standard Guide for Design of Ground-Water Monitoring Systems in Karst and Fractured-Rock Aquifers (Withdrawn 2005)
D5738 Standard Guide for Displaying the Results of Chemical Analyses of Groundwater for Major Ions and Trace Elements
Diagrams for Single Analyses (Withdrawn 2015)
D5880 Standard Guide for Subsurface Flow and Transport Modeling (Withdrawn 2015)
D6187-97(2010) Standard Practice for Cone Penetrometer Technology Characterization of Petroleum Contaminated Sites with Nitrogen Laser-Induced Fluorescence (Withdrawn 2019)
D6285-99(2016) Standard Guide for Locating Abandoned Wells (Withdrawn 2025)
-See also WK84675 proposed Reapproval
D6634/D6634M-14 Standard Guide for the Selection of Purging and Sampling Devices for Groundwater Monitoring Wells (Withdrawn 2023)
D7048-16 Standard Guide for Applying Statistical Methods for Assessment and Corrective Action Environmental Monitoring Programs (Withdrawn 2025)
