Designation:D6751−20aStandardSpecificationforBiodieselFuelBlendStock(B100)forMiddleDistillateFuels1ThisstandardisissuedunderthefixeddesignationD6751;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversfourgradesofbiodiesel(B100)foruseasablendcomponentwithmiddledistillatefuels.Thesegradesaredescribedasfollows:1.1.1GradeNo.1-BS15—Aspecialpurposebiodieselblendstockintendedforuseinmiddledistillatefuelapplica-tionswhichcanbesensitivetothepresenceofpartiallyreactedglycerides,includingthoseapplicationsrequiringgoodlowtemperatureoperability,andalsorequiringafuelblendcom-ponentwith15ppmsulfur(maximum).1.1.2GradeNo.1-BS500—Aspecialpurposebiodieselblendstockintendedforuseinmiddledistillatefuelapplica-tionswhichcanbesensitivetothepresenceofpartiallyreactedglycerides,includingthoseapplicationsrequiringgoodlowtemperatureoperability,andalsorequiringafuelblendcom-ponentwith500ppmsulfur(maximum).1.1.3GradeNo.2-BS15—Ageneralpurposebiodieselblendstockintendedforuseinmiddledistillatefuelapplica-tionsthatrequireafuelblendcomponentwith15ppmsulfur(maximum).1.1.4GradeNo.2-BS500—Ageneralpurposebiodieselblendstockintendedforuseinmiddledistillatefuelapplica-tionsthatrequireafuelblendcomponentwith500ppmsulfur(maximum).1.2Thisspecificationprescribestherequiredpropertiesofdieselfuelsatthetimeandplaceofdelivery.Thespecificationrequirementsmaybeappliedatotherpointsintheproductionanddistributionsystemwhenprovidedbyagreementbetweenthepurchaserandthesupplier.1.3Nothinginthisspecificationshallprecludeobservanceoffederal,state,orlocalregulationswhichmaybemorerestrictive.NOTE1—Thegenerationanddissipationofstaticelectricitycancreateproblemsinthehandlingofdistillatefueloilswithwhichbiodieselmaybeblended.Formoreinformationonthesubject,seeGuideD4865.1.4Thevaluesst...