9009276002OLOO844Designation:D310-88AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia,Pa.19103ReprintedfromtheAnnualBookofASTMStandards.CopyrightASTMIfnotlistedinthecurrentcombinedindex,willappearinthenextedition.StandardTestMethodforSizeofAnthracite‘ThisstandardisissuedunderthefixeddesignationD310;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperxriptepsilon(e)indicatesaneditoriaichangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoveringscreenanalysisofanthraciteisusedtodeterminethepercentageofundersizeoroversizeinanygivencommercialsize.1.2Thevaluesstatedininch-poundunitsaretobere-gardedasthestandard.1.3Thisstandardmayinvolvehazardousmaterials,oper-ations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafityandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D346MethodofCollectionandPreparationofCokeSam-D2234MethodsforCollectionofaGrossSampleofCoal’E11SpecificationforWire-ClothSievesforTestingPur-E323SpecificationforPerforated-PlateSievesforTestingplesforLaboratoryAnalysis’poses’Purposes’3.Screens3.1ThescreensandsieveplateframesfortestingthevarioussizesofanthraciteshallconsistofNo.16U.S.gagemetalplateswithstaggeredroundopenings.Thescreensshallconformtotherequirementsforround-holeperforatedplatescreensprescribedinSpecificationE11orSpecificationE323.Screensmountedinhardwoodboxframes16to20in.(40.6to50.8cm)squarearesatisfactoryfortestingnut,pea,buckwheat,andricesizesofanthracite.Forbroken,egg,andstovesizes,itismoreconvenienttousescreenssquareorrectangularinshapehavinganareaof4to6fi’(0.37m2to0.56m’).Thescreensmayconvenientlybemountedinarack,soastoslidelikedrawers,withapanunderneathtocatchtheundersize.4.ScreenOpenings4.1SeeTable1forsc...