Designation:D5903−96(Reapproved2012)StandardGuideforPlanningandPreparingforaGroundwaterSamplingEvent1ThisstandardisissuedunderthefixeddesignationD5903;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversplanningandpreparingforaground-watersamplingevent.Itincludestechnicalandadministrativeconsiderationsandprocedures.ExamplechecklistsarealsoprovidedasAppendices.1.2Thisguidemaynotcovereveryconsiderationprocedure,orboth,thatisnecessarybeforeallgroundwatersamplingprojects.Inkarstorfracturedrockterranes,itmaybeappropriatetocollectgroundwatersamplesfromsprings(seeGuideD5717).Thisguidefocusesonsamplingofgroundwaterfrommonitoringwells;however,mostoftheguidancehereincanapplytothesamplingofspringsaswell.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepre-sentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject’smanyuniqueaspects.Theword“Standard”inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.2.ReferencedDocuments2.1ASTMStandards:2D5717GuideforDesignofGround-WaterMonitoringSys-temsinKarstandFractured-RockAquifers(Withdrawn2005)33.SignificanceandUse3.1Thesuccessofasamplingeventisinfluencedbyadequateplanningandpreparation.U...
