Designation:D8006−16StandardGuideforSamplingandAnalysisofResidentialandCommercialWaterSupplyWellsinAreasofExplorationandProduction(E&P)Operations1ThisstandardisissuedunderthefixeddesignationD8006;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidepresentsamethodologyforobtainingrepre-sentativegroundwatersamplesfromdomesticorcommercialwaterwellsthatareinproximitytooilandgasexplorationandproduction(E&P)operations.E&Poperationsinclude,butarenotnecessarilylimitedto,sitepreparation,drilling,completion,andwellstimulation(includinghydraulicfracturing),andproductionactivities.Thegoalistoobtainrepresentativegroundwatersamplesfromdomesticorcommer-cialwaterwellsthatcanbeusedtoidentifythebaselinegroundwaterqualityandanysubsequentchangesthatmaybeidentified.WhilethisguidefocusesonbaselinesamplinginconjunctionwithoilandgasE&Pactivities,theprinciplesandpracticesrecommendedarebasedonwell-establishedmethodsthathavebeeninuseformanyyearsinotherindustrialsituations.Thisguiderecommendssamplingandanalyticaltestingproceduresthatcanidentifyvariouschemicalspeciespresentincludingmetals,dissolvedgases(suchasmethane),hydrocarbons(andotherorganiccompounds),aswellasoverallwaterquality.1.2Thisguideprovidesinformationontypicalresidentialandcommercialwatersupplywellsystemsandguidanceondevelopingandimplementingasamplingprogram,includingdeterminingsamplinglocations,suggestedpurgingtechniques,selectionofpotentialanalysesandlaboratorycertifications,datamanagement,andintegrity.Italsoincludesguidanceonpersonalsafety.Theinformationincludedpertainstobaselinesamplingbeforebeginninganyactivitiesthatcouldpresentpotentialriskstolocalaquifers,periodicsamplingduringandaftersuchwork,andongoingmonitoringrelatingtoknownorpotentialgroundwaterconstituentsinthearea.Thisguidedoesnotaddresspolicy...
