Designation:D2880−20StandardSpecificationforGasTurbineFuelOils1ThisstandardisissuedunderthefixeddesignationD2880;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverstheselectionoffuelsforgasturbines,exceptinggasturbinesusedinaircraft,fortheguidanceofinterestedpartiessuchasturbinemanufacturersandthesuppliersandpurchasersoffueloils.Thespecificationsetsforththepropertiesoffuelsatthetimeandplaceofcustodytransfertotheuser.1.2Threeappendixesareprovidedforinformationalpur-posesonlyanddonotconstitutearequirementofthisspecifi-cationunlessmutuallyagreeduponbetweentheinterestedparties.1.2.1AppendixX1describesthefivegradesofgasturbinefuelscoveredbythisspecification.Further,itstatesthesignificanceofvarioustestmethodsusedininspectingthefuels.1.2.2AppendixX2discussesthesourcesoffuelcontami-nantsandnotesthesignificanceofsuchcontaminantsintheoperationofgasturbinesandgasturbinefuelsystems.Theparticularsignificanceoftracemetalsingasturbinefuelsisnoted.Upperlimitsoftracemetalsarerecommendedforthevariousgradesofgasturbinefuels,buttheserecommendedlimitsdonotconstitutearequirementofthespecificationunlessmutuallyagreeduponbytheinterestedparties.Limita-tionsduetotheuseofusedorrecycledoilarealsonoted.NOTE1—ThegasturbineoperatorshouldconsultPracticeD4418formethodsofensuringfuelsofadequatecleanlinessandforguidanceonlong-termstorageofdistillatefuelsandonliquidsfromnon-petroleumsourcesasgasturbine.NOTE2—Nothinginthisspecificationshallprecludeobservanceoffederal,state,orlocalregulationswhichmaybemorerestrictive.NOTE3—Thegenerationanddissipationofstaticelectricitycancreateproblemsinthehandlingofdistillategasturbinefueloils.Formoreinformationonthesubject,seeGuideD4865.1.3Thisinternation...