Designation:D5304−15StandardTestMethodforAssessingMiddleDistillateFuelStorageStabilitybyOxygenOverpressure1ThisstandardisissuedunderthefixeddesignationD5304;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1ThistestmethodcoversaprocedureforassessingthepotentialstoragestabilityofmiddledistillatefuelssuchasGradeNo.1DandGradeNo.2Ddieselfuels,inaccordancewithSpecificationD975.1.2Thistestmethodisapplicabletoeitherfreshlyrefinedfuelsorfuelsalreadyinstorage.1.3Thistestmethodissuitableforfuelscontainingstabi-lizeradditivesaswellasfuelscontainingnosuchadditives.However,fuelsadditizedwithdispersantadditives,includingdispersant-containingstabilityadditives,mayberankedinac-curatelyusingthistestmethodcomparedtofuelsthatarenotadditizedwithdispersantadditives.1.4AppendixX1providesinformationonothersuggestedtesttimesandtemperaturesforwhichthistestmethodmaybeused.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see4.1,6.2,6.3,and7.4.2.ReferencedDocuments2.1ASTMStandards:2D525TestMethodforOxidationStabilityofGasoline(In-ductionPeriodMethod)D975SpecificationforDieselFuelOilsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProductsD4306PracticeforAviationFuelSampleContainersforTestsAffectedbyTraceContaminationE1SpecificationforASTMLiquid-in-GlassThermometers3.Terminology3.1Definitions:3.1.1membranefilter,n—aporo...