Designation:D5283−92(Reapproved2009)StandardPracticeforGenerationofEnvironmentalDataRelatedtoWasteManagementActivities:QualityAssuranceandQualityControlPlanningandImplementation1ThisstandardisissuedunderthefixeddesignationD5283;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Environmentaldatagenerationeffortsarecomposedoffourparts:(1)establishmentofdataqualityobjectives(DQOs);(2)designoffieldmeasurementandsamplingstrategiesandspecificationoflaboratoryanalysesanddataacceptancecrite-ria;(3)implementationofsamplingandanalysisstrategies;and(4)dataqualityassessment.Thispracticeaddressestheplan-ningandimplementationofthesamplingandanalysisaspectsofenvironmentaldatagenerationactivities(Parts(1)and(2)above).1.2Thispracticedefinesthecriteriathatmustbeconsideredtoassurethequalityofthefieldandanalyticalaspectsofenvironmentaldatagenerationactivities.Environmentaldatainclude,butarenotlimitedto,theresultsfromanalysesofsamplesofair,soil,water,biota,waste,oranycombinationsthereof.1.3DQOsshouldbeadoptedpriortoapplicationofthispractice.DatageneratedinaccordancewiththispracticearesubjecttoafinalassessmenttodeterminewhethertheDQOsweremet.Forexample,manyscreeningactivitiesdonotrequireallofthemandatoryqualityassurance(QA)andqualitycontrol(QC)stepsfoundinthispracticetogeneratedataadequatetomeettheprojectDQOs.TheextenttowhichalloftherequirementsmustbemetremainsamatteroftechnicaljudgementasitrelatestotheestablishedDQOs.1.4Thispracticepresentsextensivemanagementrequire-mentsdesignedtoensurehigh-qualityenvironmentaldata.Thewords“must,”“shall,”“may,”and“should”havebeenselectedcarefullytoreflecttheimportanceplacedonmanyofthestatementsmadeinthispractice.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuse...