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ASTM D 6771 : 2018

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Low-Flow Purging and Sampling for Wells and Devices Used for Ground-Water Quality Investigations
Available format(s)

Hardcopy , PDF

Superseded date

11-22-2021

Language(s)

English

Published date

09-28-2018

This practice describes the method of low-flow purging and sampling used to collect groundwater samples from wells to assess groundwater quality.

1.1This practice describes the method of low-flow purging and sampling used to collect groundwater samples from wells to assess groundwater quality.

1.2The purpose of this procedure is to collect groundwater samples that represent a flow-weighted average of solute and colloid concentrations transported through the formation near the well screen under ambient conditions. Samples collected using this method can be analyzed for groundwater contaminants and/or naturally occurring analytes.

1.3This practice is generally not suitable for use in wells with very low-yields and cannot be conducted using grab sampling or inertial lift devices. This practice is not suitable for use in wells with non-aqueous phase liquids.

1.4Units—The values stated in SI units are to be regarded as standard. The values given in parentheses are approximate mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

1.5This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word “standard” in the title means only that the document has been approved through the ASTM consensus process.

1.6This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 18
DocumentType
Standard Practice
Pages
8
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 6517 : 2018 Standard Guide for Field Preservation of Ground Water Samples
ASTM D 6725/D6725M : 2016 Standard Practice for Direct Push Installation of Prepacked Screen Monitoring Wells in Unconsolidated Aquifers
ASTM D 7069 : 2004 : R2015 Standard Guide for Field Quality Assurance in a Groundwater Sampling Event
ASTM D 6699 : 2016 Standard Practice for Sampling Liquids Using Bailers
ASTM D 6001 : 2005 : R2012 Standard Guide for Direct-Push Groundwater Sampling for Environmental Site Characterization
ASTM D 6724/D6724M : 2016 Standard Guide for Installation of Direct Push Groundwater Monitoring Wells
ASTM D 6232 : 2016 Standard Guide for Selection of Sampling Equipment for Waste and Contaminated Media Data Collection Activities
ASTM D 6452 : 2018 Standard Guide for Purging Methods for Wells Used for Ground Water Quality Investigations
ASTM D 5092/D5092M : 2016 Standard Practice for Design and Installation of Groundwater Monitoring Wells
ASTM D 6001/D6001M : 2020 Standard Guide for Direct-Push Groundwater Sampling for Environmental Site Characterization

ASTM D 5092 : 2004 : R2010 : EDT 1 Standard Practice for Design and Installation of Groundwater Monitoring Wells
ASTM D 6517 : 2000 : R2005 Standard Guide for Field Preservation of Groundwater Samples
ASTM D 6725 : 2004 : R2010 Standard Practice for Direct Push Installation of Prepacked Screen Monitoring Wells in Unconsolidated Aquifers
ASTM D 6452 : 2018 Standard Guide for Purging Methods for Wells Used for Ground Water Quality Investigations
ASTM D 653 : 2007 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 5092 : 2002 Standard Practice for Design and Installation of Ground Water Monitoring Wells in Aquifers
ASTM D 6634 : 2001 Standard Guide for the Selection of Purging and Sampling Devices for Ground-Water Monitoring Wells
ASTM D 6517 : 2018 Standard Guide for Field Preservation of Ground Water Samples
ASTM D 7069 : 2004 : R2010 Standard Guide for Field Quality Assurance in a Groundwater Sampling Event
ASTM D 5088 : 2002 Standard Practice for Decontamination of Field Equipment Used at Nonradioactive Waste Sites
ASTM D 6517 : 2000 Standard Guide for Field Preservation of Ground-Water Samples
ASTM D 7069 : 2004 Standard Guide for Field Quality Assurance in a Ground-water Sampling Event
ASTM D 5903 : 1996 : R2006 Standard Guide for Planning and Preparing for a Groundwater Sampling Event
ASTM D 6089 : 1997 : R2010 Standard Guide for Documenting a Groundwater Sampling Event
ASTM D 7069 : 2004 : R2015 Standard Guide for Field Quality Assurance in a Groundwater Sampling Event
ASTM D 5088 : 2015 : REV A Standard Practice for Decontamination of Field Equipment Used at Waste Sites
ASTM D 5092 : 2004 Standard Practice for Design and Installation of Ground Water Monitoring Wells in Aquifers
ASTM D 6911 : 2015 Standard Guide for Packaging and Shipping Environmental Samples for Laboratory Analysis
ASTM D 5521 : 2005 Standard Guide for Development of Groundwater Monitoring Wells in Granular Aquifers
ASTM D 6564 : 2000 : R2005 Standard Guide for Field Filtration of Groundwater Samples
ASTM D 5608 : 1994 Standard Practice for Decontamination of Field Equipment Used at Low Level Radioactive Waste Sites
ASTM D 6911 : 2003 : R2010 Standard Guide for Packaging and Shipping Environmental Samples for Laboratory Analysis
ASTM D 6911 : 2003 Standard Guide for Packaging and Shipping Environmental Samples for Laboratory Analysis
ASTM D 6517 : 2000 : R2012 : EDT 1 Standard Guide for Field Preservation of Groundwater Samples
ASTM D 6089 : 2015 Standard Guide for Documenting a Groundwater Sampling Event
ASTM D 5088 : 2020 Standard Practice for Decontamination of Field Equipment Used at Waste Sites
ASTM D 653 : 2020 : EDT 1 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 5092 : 2004 : EDT 1 Standard Practice for Design and Installation of Ground Water Monitoring Wells
ASTM D 5088 : 1990 Standard Practice for Decontamination of Field Equipment Used at Nonradioactive Waste Sites
ASTM D 6725 : 2004 Standard Practice for Direct Push Installation of Prepacked Screen Monitoring Wells in Unconsolidated Aquifers
ASTM D 653 : 2021 : REV A Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 6452 : 1999 Standard Guide for Purging Methods for Wells Used for Ground-Water Quality Investigations
ASTM D 5608 : 2016 Standard Practices for Decontamination of Sampling and Non Sample Contacting Equipment Used at Low Level Radioactive Waste Sites
ASTM D 5978 : 1996 : EDT 1 Standard Guide for Maintenance and Rehabilitation of Ground-Water Monitoring Wells
ASTM D 6452 : 1999 : R2012 : EDT 1 Standard Guide for Purging Methods for Wells Used for Groundwater Quality Investigations
ASTM D 653 : 2021 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 5092 : 1990 : R1995 : EDT 1 Standard Practice for Design and Installation of Ground Water Monitoring Wells in Aquifers
ASTM D 5608 : 2010 Standard Practices for Decontamination of Field Equipment Used at Low Level Radioactive Waste Sites
ASTM D 5521 : 1994 : EDT 1 Standard Guide for Development of Ground-Water Monitoring Wells in Granular Aquifers (Withdrawn 2003)
ASTM D 6725 : 2001 Standard Practice for Direct Push Installation of Prepacked Screen Monitoring Wells in Unconsolidated Aquifers
ASTM D 6634 : 2001 : R2006 Standard Guide for the Selection of Purging and Sampling Devices for Groundwater Monitoring Wells
ASTM D 5088 : 2015 Standard Practice for Decontamination of Field Equipment Used at Waste Sites
ASTM D 5608 : 2001 Standard Practice for Decontamination of Field Equipment Used at Low Level Radioactive Waste Sites
ASTM D 5088 : 2002 : R2008 Standard Practice for Decontamination of Field Equipment Used at Waste Sites
ASTM D 5608 : 2001 : R2006 Standard Practices for Decontamination of Field Equipment Used at Low Level Radioactive Waste Sites
ASTM D 5903 : 1996 : R2017 : EDT 1 Standard Guide for Planning and Preparing for a Groundwater Sampling Event
ASTM D 6089 : 1997 : EDT 1 Standard Guide for Documenting a Ground-Water Sampling Event
ASTM D 6564 : 2000 : R2012 : EDT 1 Standard Guide for Field Filtration of Groundwater Samples
ASTM D 6564 : 2000 Standard Guide for Field Filtration of Ground-Water Samples
ASTM D 7929 : 2014 Standard Guide for Selection of Passive Techniques for Sampling Groundwater Monitoring Wells
ASTM D 6452 : 1999 : R2005 Standard Guide for Purging Methods for Wells Used for Groundwater Quality Investigations
ASTM D 6089 : 1997 : R2003 Standard Guide for Documenting a Ground-Water Sampling Event
ASTM D 5978 : 1996 : R2005 Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring Wells
ASTM D 5978 : 1996 : R2011 : EDT 1 Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring Wells
ASTM D 5903 : 1996 : EDT 1 Standard Guide for Planning and Preparing for a Groundwater Sampling Event
ASTM D 7929 : 2020 Standard Guide for Selection of Passive Techniques for Sampling Groundwater Monitoring Wells
ASTM D 5903 : 1996 : R2012 Standard Guide for Planning and Preparing for a Groundwater Sampling Event
ASTM D 6089 : 2019 Standard Guide for Documenting a Groundwater Sampling Event

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