Designation:D7831−13StandardPracticeforSamplingofTanksbyFieldPersonnel1ThisstandardisissuedunderthefixeddesignationD7831;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversinformationforfieldpersonneltofollowinordertocollectsamplesfromtanks.1.2Thepurposeofthispracticeistohelpfieldpersonnelinplanningandobtainingsamplesfromverticalandhorizontaltanks,open-toppedrectangular/squaretanks,railroadandtrucktankers,vacuumtrucksandtankswithmultiplecompartmentsusingequipmentandtechniquesthatwillassistinmeetingthesamplingobjectives.1.3Thepracticeisapplicabletohazardousmaterials,products,rawmaterials,by-product,orwaste.1.4Samplingfromcirculatingpumpdischargevalvesandtanktransferlinesarenotaddressedinthispractice.1.5Units—Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4687GuideforGeneralPlanningofWasteSamplingD4840GuideforSampleChain-of-CustodyProceduresD5088PracticeforDecontaminationofFieldEquipmentUsedatWasteSitesD5283PracticeforGenerationofEnvironmentalDataRe-latedtoWasteManagementActivities:QualityAssuranceandQualityControlPlanningandImplementationD5495PracticeforSamplingWithaCompositeLiquidWasteSampler(COLIWASA)D5681TerminologyforWasteandWasteManagementD5792PracticeforGenerationofEnvironmentalDataRe-latedtoWasteManagementActivities:DevelopmentofDataQualityObjectivesD6232GuideforSelectionofSamplingEquipmentforWasteandContaminatedMe...
