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ASTM D 5299 : 1999

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Guide for Decommissioning of Ground Water Wells, Vadose Zone Monitoring Devices, Boreholes, and Other Devices for Environmental Activities
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

10-12-1999

CONTAINED IN VOL. 04.08, 2017 Provides procedures that are specifically related to permanent decommissioning (closure) of the following as applied to environmental activities.

1.1 This guide covers procedures that are specifically related to permanent decommissioning (closure) of the following as applied to environmental activities. It is intended for use where solid or hazardous materials or wastes are found, or where conditions occur requiring the need for decommissioning. The following devices are considered in this guide:

1.1.1 A borehole used for geoenvironmental purposes (see Note 1),

1.1.2 Monitoring wells,

1.1.3 Observation wells,

1.1.4 Injection wells (see Note 2),

1.1.5 Piezometers,

1.1.6 Wells used for the extraction of contaminated ground water, the removal of floating or submerged materials other than water such as gasoline or tetrachloroethylene, or other devices used for the extraction of soil gas,

1.1.7 A borehole used to construct a monitoring well, and

1.1.8 Any other vadose zone monitoring device.

1.2 Temporary decommissioning of the above is not covered in this guide.

Note 1-This guide may be used to decommission boreholes where no contamination is observed at a site (see Practice D420 for details); however, the primary use of the guide is to decommission boreholes and wells where solid or hazardous waste have been identified. Methods identified in this guide can also be used in other situations such as the decommissioning of water supply wells and boreholes where water contaminated with nonhazardous pollutants (such as nitrates or sulfates) are present. This guide should be consulted in the event that a routine geotechnical investigation indicates the presence of contamination at a site. Note 2-The term "well" is used in this guide to denote monitoring wells, piezometers, or other devices constructed in a manner similar to a well. Some of the devices listed such as injection and extraction wells can be decommissioned using this guide for information, but are not specifically covered in the text. Note 3-Details on the decommissioning of multiple-screened wells are not provided in this guide due to the many methods used to construct these types of wells and the numerous types of commercially available multiple-screened well systems. However, in some instances, the methods presented in this guide may be used with few changes. An example of how this guide may be used is the complete removal of the multiple-screened wells by overdrilling.

1.3 Most monitoring wells and piezometers are intended primarily for water quality sampling, water level observation, or soil gas sampling, or combination thereof, to determine quality. Many wells are relatively small in diameter (<4-in. (10.1 cm) inside diameter) and are used to monitor for hazardous chemicals in ground water. Decommissioning of monitoring wells is necessary to:

1.3.1 Eliminate the possibility that the well is used for purposes other than intended,

1.3.2 Prevent migration of contaminants into an aquifer or between aquifers,

1.3.3 Prevent migration of contaminants in the vadose zone,

1.3.4 Reduce the potential for vertical or horizontal migration of fluids in the well or adjacent to the well, and

1.3.5 Remove the well from active use when the well is no longer capable of rehabilitation, or has failed structurally; no longer required for monitoring; no longer capable of providing representative samples or is providing unreliable samples; or required to be decommissioned; or to meet regulatory requirements.

Note 4-The determination of whether a well is providing a representative water quality sample is not defined in this guide. Examples of when a representative water quality sample may not be collected include the biological or chemical clogging of well screens, a drop in water level to below the base of the well screen, or complete silting of a tail pipe. These conditions may indicate that a well is not functioning properly.

1.4 This guide is intended to provide information for effective permanent closure of wells so that the physical structure of the well does not provide a means of hydraulic communication between aquifers or react chemically in a detrimental way with the environment.

1.5 The intent of this guide is to provide procedures that when followed result in a reasonable level of confidence in the integrity of the decommissioning activity. However, it may not be possible to verify the integrity of the decommissioning procedure. At this time, methods are not available to substantially determine the integrity of the decommissioning activity.

1.6 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.

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

Note 5-If state and local regulations are in effect where the decommissioning is to occur, the regulations take precedence over this guide.

Committee
D 18
DocumentType
Guide
Pages
16
ProductNote
Reconfirmed 1999
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 7352 : 2018 Standard Practice for Volatile Contaminant Logging Using a Membrane Interface Probe (MIP) in Unconsolidated Formations with Direct Push Methods
ASTM D 1586/D1586M : 2018 Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soils
ASTM D 5978/D5978M : 2016 Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring Wells
ASTM D 8037/D8037M : 2016 Standard Practice for Direct Push Hydraulic Logging for Profiling Variations of Permeability in Soils
ASTM D 6282/D6282M : 2014 Standard Guide for Direct Push Soil Sampling for Environmental Site Characterizations (Withdrawn 2023)
ASTM D 5092/D5092M : 2016 Standard Practice for Design and Installation of Groundwater Monitoring Wells
ASTM D 6285 : 1999 : R2016 Standard Guide for Locating Abandoned Wells
ASTM D 6914/D6914M : 2016 Standard Practice for Sonic Drilling for Site Characterization and the Installation of Subsurface Monitoring Devices
ASTM D 6724/D6724M : 2016 Standard Guide for Installation of Direct Push Groundwater Monitoring Wells
ASTM D 6519 : 2015 Standard Practice for Sampling of Soil Using the Hydraulically Operated Stationary Piston Sampler

ASTM D 4380 : 2012 : REDLINE Standard Test Method for Density of Bentonitic Slurries
ASTM D 420 : 1998 Guide to Site Characterization for Engineering, Design, and Construction Purposes
ASTM D 653 : 2014 : REDLINE Standard Terminology Relating to Soil, Rock, and Contained Fluids

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