Designation:D5765−05(Reapproved2010)StandardPracticeforSolventExtractionofTotalPetroleumHydrocarbonsfromSoilsandSedimentsUsingClosedVesselMicrowaveHeating1ThisstandardisissuedunderthefixeddesignationD5765;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthesolventextractionoftotalpetroleumhydrocarbon(TPH)fromsoilsandsediments,usingclosedvesselmicrowaveheating,forsubsequentdeterminationbygravimetricorgaschromatographictechniques.1.2Thispracticeisrecommendedonlyforsolidsamplesthatcanpassthroughatenmeshscreen(approximately2mmopenings).1.3Thesolventextractobtainedbythispracticemaybeanalyzedfortotalorspecificnonvolatileandsemivolatilepetroleumhydrocarbonsbutmayrequiresampleclean-upprocedurespriortospecificcompoundanalysis.1.4Thispracticeislimitedtosolventsthatarerecom-mendedforuseinmicrowavesolventextractionsystems.1.5Thevaluesstatedinpoundspersquareinch(psi)aretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.2.ReferencedDocuments2.1ASTMStandards:2D3694PracticesforPreparationofSampleContainersandforPreservationofOrganicConstituentsD3856GuideforManagementSystemsinLaboratoriesEngagedinAnalysisofWaterD3974PracticesforExtractionofTraceElementsfromSedimentsD3976PracticeforPreparationofSedimentSamplesforChemicalAnalysisD5368TestMethodsforGravimetricDeterminationofTotalSolventExtractableContent(TSEC)ofSolidWasteSamples2.2FederalStandard:CodeofFederalRegulations,Title21,Part1030,andTitle47,Part1833.SummaryofPractice3.1Thechemicalportiono...
