Designation:D3302/D3302M−15StandardTestMethodforTotalMoistureinCoal1ThisstandardisissuedunderthefixeddesignationD3302/D3302M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthemeasurementofthetotalmoistureincoalasitexistsatthesite,atthetime,andundertheconditionsitissampled.Itisapplicabletocoalsasmined,processed,shipped,orusedinnormalcommercialpursuits.Itisnotapplicabletocoal-waterslurries,sludges,orpulverizedproductsunder0.5-mm-diametersievesize.Itisapplicabletocoalsofallrankswithintherecognizedlimitationsimposedbyoxidationanddecompositioncharacteristicsoflowerrankcoals.Becauseofitsempiricalnature,strictadherencetobasicprinciplesandpermissiveproceduresarerequiredforvalidresults(seeAppendixX1).Thiscompletestandardisavailabletoproducers,sellers,andconsumersasatotalmoisturemethodwhenotherproceduresormodificationsarenotmutuallyagreedon.1.2Sincecoalcanvaryfromextremelywet(water-saturated)tocompletelydry,specialemphasismustbeplacedonthesampling,samplepreparation,andthemoisturedeter-minationitselftoensuretotalreliabilityofmeasurement.Therefore,thisstandardentailscollectionofthegrosssample,samplepreparation,andthemethodofdetermination.1.3Whileitisrecognizedthatsuchastandardmaybeunwieldyforroutineusageincommercialoperations,itcanprovideacommonbaseforagreementincasesofdisputeorarbitration.Thecompletestandardisreferredtoastherefereemethod.Embodiedinthestandardisthecommercialmethodstartingwiththecrushedanddividedsamplewhenthegrosssampleisnottoowettocrushanddivide.SeeTestMethodsD2961andD3173forothermoisturemethods.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayre...
