Designation:D6823−08(Reapproved2013)StandardSpecificationforCommercialBoilerFuelsWithUsedLubricatingOils1ThisstandardisissuedunderthefixeddesignationD6823;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversfourgradesoffueloilmadeofatleast25%usedlubricatingoils.Thefourgradesoffuelareintendedforuseinvarioustypesoffuel-oil-burningindustrialequipmentandcommercialboilersundervariousclimaticandoperatingconditions.Thesefuelsarenotintendedforuseinresidentialheaters.1.1.1GradesRFC4,RFC5L,RFC5HandRFC6areusedlubricatingoilblendsofincreasingviscosity,withorwithoutmiddledistillateorresidualfueloil,orboth,thatareintendedforuseinindustrialburnersandcommercialboilersequippedtohandlethesetypesoffuels.ThisspecificationisforapplicationswhereSpecificationD6448wouldnotmeettheperformanceorotherrequirementsoftheburnerorboilerinquestion.NOTE1—Forinformationonthesignificanceoftheterminologyandtestmethodsusedinthisspecification,seeAppendixX1.1.2Thisspecificationisforuseincontractsforthepurchaseoffueloilsderivedfromusedlubricatingoilandfortheguidanceofconsumersofsuchfuels.Thisspecificationdoesnotaddressthefrequencywithwhichanyparticulartestmustberun.1.3Nothinginthisspecificationshallprecludeobservanceofnationalorlocalregulationswhichcanbemorerestrictive.Insomejurisdictions,usedoilisconsideredahazardouswasteandfuelsderivedfromusedoilarerequiredtomeetcertaincriteriabeforeuseasafuel.NOTE2—ForUnitedStatesfederalrequirementsimposedonusedoilgenerators,transportersandtransferfacilities,reprocessors,marketers,andburners,see40CFRPart279.NOTE3—Thegenerationanddissipationofstaticelectricitycancreateproblemsinthehandlingofdistillateburnerfueloils.Formoreinforma-tiononthesubject,seeGuideD4865.1.4T...
