Designation:D3948−14AnAmericanNationalStandardStandardTestMethodforDeterminingWaterSeparationCharacteristicsofAviationTurbineFuelsbyPortableSeparometer1ThisstandardisissuedunderthefixeddesignationD3948;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversarapidportablemeansforfieldandlaboratoryusetoratetheabilityofaviationturbinefuelstoreleaseentrainedoremulsifiedwaterwhenpassedthroughfiberglasscoalescingmaterial.1.2Theproceduresectionofthistestmethodcontainstwodifferentmodesoftestequipmentoperation.Theprimarydifferencebetweenthemodesofoperationistherateoffuelflowthroughthefiberglasscoalescingmaterial.Testmethodselectionisdependentontheparticularfueltobetested.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1655SpecificationforAviationTurbineFuelsD2550MethodofTestforWaterSeparationCharacteristicsofAviationTurbineFuels(Withdrawn1989)3D3602TestMethodforWaterSeparationCharacteristicsofAviationTurbineFuels(Withdrawn1994)3D4306PracticeforAviationFuelSampleContainersforTestsAffectedbyTraceContaminationD7224TestMethodforDeterminingWaterSeparationChar-acteristicsofKerosine-TypeAviationTurbineFuelsCon-tainingAdditivesbyPortableSeparometerD7261TestMethodforDeterminingWaterSeparationChar-acteristicsofDieselFuelsbyPortableSeparometer2.2MilitaryStandards:4MIL-T-5624TurbineFuel,AviationGradesJP-4,JP-5,andJP-5/JP-8STMIL-T-38219TurbineFuel,LowV...
