ASTM_D_5980_-_16.pdf

Designation:D598016Standard Guide forSelection and Documentation of Existing Wells for Use inEnvironmental Site Characterization and Monitoring1This standard is issued under the fixed designation D5980;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This guide covers the use of existing wells for environ-mental site characterization and monitoring.It covers thefollowing major topics:criteria for determining the suitabilityof existing wells for hydrogeologic characterization andgroundwater quality monitoring,types of data needed todocument the suitability of an existing well,and the relativeadvantages and disadvantages of existing large-and small-capacity wells.1.2 This guide should be used in conjunction with GuideD5730,that provides a general approach for environmental siteinvestigations.1.3 This guide does not specifically address design andconstruction of new monitoring or supply wells.Refer toPractices D5092 and D5787.1.4 This guide does not specifically address groundwatersampling procedures.Refer to Guide D5903.1.5 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.7 This guide offers an organized collection of informationor a series of options and does not recommend a specificcourse of action.This guide cannot replace education orexperience and should be used in conjunction with professionaljudgment.Not all aspects of this guide may be applicable in allcircumstances.This guide is not intended to represent orreplace the standard of care by which the adequacy of a givenprofessional service must be judged,nor should this guide beapplied without consideration of a projects many uniqueaspects.The word“Standard”in the title of this documentmeans only that the document has been approved through theASTM consensus process.2.Referenced Documents2.1 Pertinent guides addressing specific information neces-sary to utilize existing wells for hydrologic and water-qualitydata for environmental site characterization.A comprehensivelist of guides,standards,methods,practices,and terminology iscontained in Guide D5730.Other guidance documents cover-ing procedures for environmental site investigations withspecific objectives or in particular geographic settings may beavailable from federal,state,and other agencies or organiza-tions.The appropriate agency or organization should becontacted to determine the availability and most current editionof such documents.2.2 ASTM Standards:2D653 Terminology Relating to Soil,Rock,and ContainedFluidsD5092 Practice for Design and Installation of GroundwaterMonitoring WellsD5254 Practice for Minimum Set of Data Elements toIdentify a Ground-Water SiteD5408 Guide for Set of Data Elements to Describe aGroundwater Site;Part OneAdditional IdentificationDescriptorsD5409 Guide for Set of Data Elements to Describe aGround-Water Site;Part TwoPhysical DescriptorsD5410 Guide for Set of Data Elements to Describe aGroundwater Site;Part ThreeUsage Descriptors(With-drawn 2016)3D5521 Guide for Development of Groundwater MonitoringWells in Granular AquifersD5730 Guide for Site Characterization for EnvironmentalPurposes With Emphasis on Soil,Rock,the Vadose Zoneand Groundwater(Withdrawn 2013)31This guide is under the jurisdiction of ASTM Committee D18 on Soil andRockand is the direct responsibility of Subcommittee D18.21 on Groundwater andVadose Zone Investigations.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 1996.Last previous edition approved in 2010 as D598096(2010)1.DOI:10.1520/D5980-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 D5753 Guide for Planning and Conducting Borehole Geo-physical LoggingD5787 Practice for Monitoring Well ProtectionD5903 Guide for Planning and Preparing for a GroundwaterSampling EventD5979 Guide for Conceptualization and Characterization ofGroundwater Systems3.Terminology3.1 DefinitionsFor common definitions of technical termsused in this standard,refer to Terminology D653.3.2 Definitions of Terms Spec