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ASTM D 5979 : 1996 : R2019 : EDT 1

Current
Current

The latest, up-to-date edition.

Standard Guide for Conceptualization and Characterization of Groundwater Systems
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-01-2019

1.1This guide covers an integrated, stepwise method for the qualitative conceptualization and quantitative characterization of groundwater flow systems, including the unsaturated zone, for natural or human-induced behavior or changes.

1.2This guide may be used at any scale of investigation, including site-specific, subregional, and regional applications.

1.3This guide describes an iterative process for developing multiple working hypotheses for characterizing groundwater flow systems. This process aims at reducing uncertainty with respect to conceptual models, observation, interpretation, and analysis in terms of hypothesis and refinement of the most likely conceptual model of the groundwater flow system. The process is also aimed at reducing the range of realistic values for parameters identified during the characterization process. This guide does not address the quantitative uncertainty associated with specific methods of hydrogeologic and groundwater system characterization and quantification, for example, the effects of well construction on water-level measurement.

1.4This guide addresses the general procedure, types of data needed, and references that enable the investigator to complete the process of analysis and interpretation of each data type with respect to geohydrologic processes and hydrogeologic framework. This guide recommends the groups of data and analysis to be used during each step of the conceptualization process.

1.5This guide does not address the specific methods for characterizing hydrogeologic and groundwater system properties.

1.6This guide does not address model selection, design, or attribution for use in the process of groundwater flow system characterization and quantification. This guide does not address the process of model schematization, including the simplification of hydrologic systems and the representation of hydrogeologic parameters in models.

1.7This guide does not address special considerations required for characterization of karst and fractured rock terrain. In such hydrogeologic settings, refer to Quinlan (1)2 and Guide D5717 for additional guidance.

1.8This guide does not address special considerations regarding the source, fate, and movement of chemicals in the subsurface.

1.9This 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.

1.10This 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.

1.11This 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
Guide
Pages
8
ProductNote
ε1 NOTE—Reapproved with editorial changes in May 2019.
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 5980 : 2016 Standard Guide for Selection and Documentation of Existing Wells for Use in Environmental Site Characterization and Monitoring
ASTM D 6235 : 2018 Standard Practice for Expedited Site Characterization of Vadose Zone and Groundwater Contamination at Hazardous Waste Contaminated Sites

ASTM D 653 : 2007 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 5609 : 1994 : EDT 1 Standard Guide for Defining Boundary Conditions in Ground-Water Flow Modeling
ASTM D 5610 : 1994 : R2014 Standard Guide for Defining Initial Conditions in Groundwater Flow Modeling (Withdrawn 2023)
ASTM D 653 : 2022 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 653 : 2020 : EDT 1 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 653 : 2021 : REV A Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 653 : 2021 Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 653 : 2021 : REV B Standard Terminology Relating to Soil, Rock, and Contained Fluids
ASTM D 5447 : 1993 : EDT 1 Standard Guide for Application of a Ground-Water Flow Model to a Site-Specific Problem (Withdrawn 2002)

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