Designation:D6315–98e1StandardPracticeforManualSamplingofCoalfromTopsofBarges1ThisstandardisissuedunderthefixeddesignationD6315;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—Paragraph6.3.3hasbeeneditoriallycorrectedbyaddingEq1inJanuary2001.1.Scope1.1Thispracticecoversproceduresforobtainingamanualgrosssamplefromthesurfaceofcoalcontainedinbarges.Theseproceduresareusedtoprovidegrosssamplesforgeneralanalysisandforestimatingqualityandtotalmoisture.ThegrosssampleistobecrushedandfurtherpreparedforanalysisinaccordancewithTestMethodD2013.1.2Theuseriscautionedthatsamplesofthistypedonotsatisfytheminimumrequirementsforprobabilitysamplingand,assuch,cannotbeusedtocalculatesuchstatisticalinferencesastheprecision,standarderror,orbias.1.3Thissamplingmethodisusedonlywhensamplingbymethodsthatprovideaprobabilitysampleisnotpossible.1.4ThequantitiesstatedineitheracceptableSIunitsorininch-poundunitsareregardedseparatelyasstandard.Thequantitiesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningquantitiesinanyway.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D121TerminologyofCoalandCoke2D2013MethodofPreparingCoalSamplesforAnalysis2D2234PracticeforCollectionofaGrossSampleofCoal2D4749TestMethodforPerformingtheSieveAnalysisofCoalandDesignatingCoalSize2E105PracticeforProbabilitySamplingofMaterials33.Terminology3.1Definitions3.1.1Fordefinitionsusedinthistestmethod,refertoTerminologyD121.4.SummaryofPractice4.1Obtainingamanualsampleofastationarylotofbargecoalisaccomplishedbycollectingincre...
