Designation:D1864/D1864M−89(Reapproved2017)StandardTestMethodforMoistureinMineralAggregateUsedonBuilt-UpRoofs1ThisstandardisissuedunderthefixeddesignationD1864/D1864M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofmoistureinmineralaggregateforuseonbuilt-uproofs.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D75/D75MPracticeforSamplingAggregatesD1863/D1863MSpecificationforMineralAggregateUsedonBuilt-UpRoofs3.SummaryofTestMethod3.1Theaggregateisdriedtoconstantmassina110°C[230°F]oven.Themasspercentmoistureiscalculatedasthelossinmassbasedonthemassoftheovendryaggregate.4.SignificanceandUse4.1ThistestmethodmeasuresthemoistureinmineralaggregaterequiredbySpecificationD1863/D1863M.5.Apparatus5.1Balance,1000-g[2.2-lb]capacity,sensitiveto0.01%ofthecapacity.5.2Oven,largeenoughtoholdthesampleandcapableofmaintainingatemperatureof110°C[230°F]61%.5.3SampleContainer,consistingofanevaporatingdishorsimilarshallowcontainer.6.Sampling6.1SampleaggregatesreceivedinbulkinaccordancewithPracticeD75/D75M.6.2Foraggregatesreceivedinbagsorsmallcontainers,selectanumberofbagsorsmallcontainersatrandom,equivalenttothecuberootofthetotalnumberintheshipment.7.Procedure7.1Transfer...