DIN EN 61753-101-3-2009 纤维光学互连器件和无源元件性能标准.第101-3部分:U类用纤维管理系统.非受控环境

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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

标准名称：	低压流体输送用大直径电焊钢管
中标分类：	冶金 >> 钢铁产品 >> 钢管、铸铁管
替代情况：	被GB/T 3091-2001代替
发布日期：	1900-01-01
实施日期：	1995-01-01
首发日期：	1900-01-01
作废日期：	2002-02-01
出版日期：	1900-01-01
页数：	7页

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