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【英文标准名称】:StandardGuideforSelectionandDocumentationofExistingWellsforUseinEnvironmentalSiteCharacterizationandMonitoring
【原文标准名称】:用于环境位点特性和探测的现有井的选择和文件编制的标准指南
【标准号】:ASTMD5980-1996(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmentalsitecharacterization;fieldinvestigations;groundwater;hydrologicinvestigations;monitoringwells;sampling;sitecharacterization;siteinvestigations;subsurfaceinvestigations;Wells;Environmentalsiteassessment(ESA)--wat
【摘要】:Thisguidedescribesageneralapproachfortheuseofexistingwellsinenvironmentalinvestigationswithaprimaryfocusonthesubsurfaceandmajorfactorsaffectingthesurfaceandsubsurfaceenvironment.Existingwellsrepresentavaluablesourceofinformationforsubsurfaceenvironmentalinvestigations.Specificusesofexistingwellsinclude:Welldrillerlogsprovideinformationonsubsurfacelithologyandmajorwater-bearingunitsinanarea.Existingwellscanalsoofferaccessfordownholegeophysicalloggingforstratigraphicandaquiferinterpretations.Examplesincludenaturalgammalogsincasedwellsandanentiresuiteofmethodsinuncasedbedrockwells(seeGuideD5753).Thisinformationcanassistindevelopingthepreliminaryconceptualmodelofthesite.Welltestsusingexistingwellsmayprovideinformationonthehydrologiccharacteristicsofanaquifer.Monitoringofwaterlevelsinexistingwells,providedthattheyarecasedintheaquiferofinterest,allowdevelopmentofpotentiometricmapsandinterpretationsofground-waterflowdirections.Existingwellsaretheprimarymeansbywhichregionaldrinkingwaterqualityisevaluatedandmonitored.Existingwellsmayassistinthemappingofcontaminantplumes,andinongoingmonitoringofground-waterqualitychangesatthesite-specificlevel.Datafromexistingwellsshouldonlybeusedwhencharacteristicsofthewellhavebeensufficientlydocumentedtodeterminethattheysatisfycriteriaforthepurposeforwhichthedataaretobeused.1.1Thisguidecoverstheuseofexistingwellsforenvironmentalsitecharacterizationandmonitoring.Itcoversthefollowingmajortopics:criteriafordeterminingthesuitabilityofexistingwellsforhydrogeologiccharacterizationandground-waterqualitymonitoring,typesofdatarequiredtodocumentthesuitabilityofanexistingwell,andtherelativeadvantagesanddisadvantagesofexistinglarge-andsmall-capacitywells.1.2ThisguideshouldbeusedinconjunctionwithGuideD5730,thatprovidesageneralapproachforenvironmentalsiteinvestigations.1.3Thisguidedoesnotspecificallyaddressdesignandconstructionofnewmonitoringorsupplywells.RefertoPracticesD5092andD5787.1.4Thisguidedoesnotspecificallyaddressground-watersamplingprocedures.RefertoGuideD5903.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisguidecannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.Thisguideisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisguidebeappliedwithoutconsiderationofaproject''smanyuni......
【中国标准分类号】:P13
【国际标准分类号】:13_020_10
【页数】:10P.;A4
【正文语种】:英语