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Description of ASTM-D5978 2011ASTM D5978 - 96(2011)e1Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring WellsActive Standard ASTM D5978 | Developed by Subcommittee: D18.21 Book of Standards Volume: 04.09 ASTM D5978Significance and Use 4.1 The process of operating any engineered system, such as monitoring wells, includes active maintenance to prevent, mitigate, or reverse deterioration. Lack of or improper maintenance can lead to well performance deficiencies (physical problems) or sample quality degradation (chemical problems). These problems are intrinsic to monitoring wells, which are often left idle for long periods of time (as long as a year), installed in non-aquifer materials, and installed to evaluate contamination that can cause locally anomalous hydrogeochemical conditions. The typical solutions for these physical and chemical problems that would be applied by owners and operators of water supply, dewatering, recharge, and other wells may not be appropriate for monitoring wells because of the need to minimize their impact on the conditions that monitoring wells were installed to evaluate. 4.2 This guide covers actions and procedures, but is not an encyclopedic guide to well maintenance. Well maintenance planning and execution is highly site and well specific. 4.3 The design of maintenance and rehabilitation programs and the identification of the need for rehabilitation should be based on objective observation and testing, and by individuals knowledgeable and experienced in well maintenance and rehabilitation. Users of this guide are encouraged to consult the references provided. 4.4 For additional information see Test Methods D1889 , D4412 , D5472 , and Guides D4448 , D5409 , D5410 and D5474 . 1. Scope 1.1 This guide covers an approach to selecting and implementing a well maintenance and rehabilitation program for groundwater monitoring wells. It provides information on symptoms of problems or deficiencies that indicate the need for maintenance and rehabilitation. It is limited to monitoring wells, that are designed and operated to provide access to, representative water samples from, and information about the hydraulic properties of the saturated subsurface while minimizing impact on the monitored zone. Some methods described herein may apply to other types of wells although the range of maintenance and rehabilitation treatment methods suitable for monitoring wells is more restricted than for other types of wells. Monitoring wells include their associated pumps and surface equipment. 1.2 This guide is affected by governmental regulations and by site specific geological, hydrogeological, geochemical, climatological, and biological conditions. 1.3 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. 1.4 This guide offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this guide 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 of this document means only that the document has been approved through the ASTM consensus process.
ASTM Standards D653 Terminology Relating to Soil, Rock, and Contained Fluids D1889 Test Method for Turbidity of Water D4044 Test Method for (Field Procedure) for Instantaneous Change in Head (Slug) Tests for Determining Hydraulic Properties of Aquifers D4412 Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits D4448 Guide for Sampling Ground-Water Monitoring Wells D4750 Test Method for Determining Subsurface Liquid Levels in a Borehole or Monitoring Well (Observation Well) D5088 Practice for Decontamination of Field Equipment Used at Waste Sites D5092 Practice for Design and Installation of Ground Water Monitoring Wells D5254 Practice for Minimum Set of Data Elements to Identify a Ground-Water Site D5299 Guide for Decommissioning of Groundwater Wells, Vadose Zone Monitoring Devices, Boreholes, and Other Devices for Environmental Activities D5408 Guide for Set of Data Elements to Describe a Groundwater Site; Part One--Additional Identification Descriptors D5409 Guide for Set of Data Elements to Describe a Ground-Water Site; Part Two--Physical Descriptors D5410 Guide for Set of Data Elements to Describe a Ground-Water Site;Part Three--Usage Descriptors D5472 Test Method for Determining Specific Capacity and Estimating Transmissivity at the Control Well D5474 Guide for Selection of Data Elements for Groundwater Investigations D5521 Guide for Development of Ground-Water Monitoring Wells in Granular Aquifers Keywords biofouling; development; encrustation; groundwater; maintenance; monitoring well; rehabilitation ; ICS Code ICS Number Code 13.060.10 (Water of natural resources) DOI: 10.1520/D5978-96R11E01 ASTM International is a member of CrossRef. ASTM D5978This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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