Designation:D3614−07(Reapproved2013)StandardGuideforLaboratoriesEngagedinSamplingandAnalysisofAtmospheresandEmissions1ThisstandardisissuedunderthefixeddesignationD3614;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONTheutilizationofwelltestedanduniformlaboratorypracticesisessentialtotheproductionofreliableanddefensibleenvironmentaldatawhosevaliditycanbedemonstratedatalaterdatethroughtheuseofwrittenfieldandlaboratoryrecords.Thisdocumentisintendedtoprovidegeneralguidelinesfortheelementsoflaboratorypracticesthatareconsideredtobebasictotheperformanceoflaboratoriesthatprovideservicesinthesamplingandanalysisofatmospheresandemissions.Thisdocumentisintendedtostimulateanawarenessofgoodlaboratoryandfieldpractices.1.Scope1.1Thisguidecoverscriteriatobeusedbythoserespon-siblefortheselection,evaluation,operation,andcontroloflaboratoryorganizationsengagedinsamplingandanalysisofenvironmentalatmospheres,includingambient,workspace,andsourceemissions,aswellasatmosphericdepositionsamples.Fordetailsspecifictostackgases,seePracticeD7036,whichcoversadministrativeissuesinfull;severalspecificsinthisguideregardinglaboratoryoperationsmayyetbehelpfulanddonotoverlapwithPracticeD7036.1.2Thisguidepresentsfeaturesoforganizations,facilities,resources,andoperationswhichbytheirselectionandcontrolaffectthereliabilityandcredibilityofthedatagenerated.1.3Thisguidepresentsthecriteriafortheselectionandcontrolofthefeatureslistedin1.2sothatacceptableperfor-mancemaybeattainedandsustained.Also,thisguidepresentsrecommendationsforthecorrectionofunacceptableperfor-mance.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimita...
