Designation:D7544−12(Reapproved2017)StandardSpecificationforPyrolysisLiquidBiofuel1ThisstandardisissuedunderthefixeddesignationD7544;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversgradesofpyrolysisliquidbiofuelproducedfrombiomassintendedforuseinvarioustypesoffuel-burningequipmentundervariousclimaticandoperatingconditions.Thesegradesaredescribedasfollows:1.1.1GradeGisintendedforuseinindustrialburnersequippedtohandlethepyrolysisliquidbiofuelsmeetingtherequirementslistedforGradeGinTable1.ThepyrolysisliquidbiofuellistedunderGradeGinTable1isnotintendedforuseinresidentialheaters,smallcommercialboilers,engines,ormarineapplications.1.1.2GradeDisintendedforuseincommercial/industrialburnersrequiringlowersolidsandashcontentandwhichareequippedtohandlethepyrolysisliquidbiofuelsmeetingtherequirementslistedforGradeDinTable1.ThepyrolysisliquidbiofuellistedunderGradeDinTable1isnotintendedforuseinresidentialheaters,engines,ormarineapplicationsnotmodifiedtohandlethesetypesoffuels.NOTE1—Forinformationonthesignificanceofthephysical,chemical,andperformancepropertiesidentifiedinthisspecification,seeAppendixX1.1.2Thisspecificationisforuseincontractsforthepurchaseofpyrolysisliquidbiofuelandforguidanceofconsumersofthistypeoffuel.1.3Nothinginthisspecificationshouldprecludeobservanceofnationalorlocalregulations,whichmaybemorerestrictive.NOTE2—Thegenerationanddissipationofstaticelectricitymaycreateproblemsinthehandlingofpyrolysisliquidbiofuel.Formoreinformationonthesubject,seeGuideD4865.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4.1Exception—BTUunitsareincludedforinformationonlyin3.1.5.1.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistherespon...