ASTM D5521-94e1

    Standard Guide for Development of Ground-Water Monitoring Wells in Granular Aquifers (Withdrawn 2003)


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    1. Scope

    1.1 This guide covers the development of screened wells installed for the purpose of obtaining representative ground-water information and water quality samples from granular aquifers, though the methods described herein could also be applied to wells used for other purposes. Other well-development methods that are used exclusively in open-borehole bedrock wells are not described in this guide.

    1.2 The applications and limitations of the methods described in this guide are based on the assumption that the primary objective of the monitoring wells to which the methods are applied is to obtain representative water quality samples from aquifers. Screened monitoring wells developed using the methods described in this guide should yield relatively sediment-free samples from granular aquifer materials, ranging from gravels to silty sands. While many monitoring wells are considered "small-diameter" wells (that is, less than four inches in inside diameter), some of the techniques described in this guide will be more easily applied to large-diameter wells (that is, four-inches or greater in inside diameter).

    1.3 The values stated in inch-pound units are to be regarded as standard. All other units in parentheses are provided for information only.

    1.4 This 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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D5088 Practice for Decontamination of Field Equipment Used at Waste Sites

    D5092 Practice for Design and Installation of Ground Water Monitoring Wells


    ICS Code

    ICS Number Code 13.060.10 (Water of natural resources)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D5521-94E01

    Citation Format

    ASTM D5521-94e1, Standard Guide for Development of Ground-Water Monitoring Wells in Granular Aquifers (Withdrawn 2003), ASTM International, West Conshohocken, PA, 1998, www.astm.org

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