Designation:D1071−17StandardTestMethodsforVolumetricMeasurementofGaseousFuelSamples1ThisstandardisissuedunderthefixeddesignationD1071;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthevolumetricmeasuringofgaseousfuelsamples,includingliquefiedpetroleumgases,inthegaseousstateatnormaltemperaturesandpressures.Theapparatusselectedcoversasufficientvarietyoftypessothatoneormoreofthemethodsprescribedmaybeusedforlaboratory,control,reference,orinfactanypurposewhereitisdesiredtoknowthequantityofgaseousfuelorfuelsamplesunderconsideration.ThevarioustypesofapparatusarelistedinTable1.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.TerminologyandUnitsofMeasurement2.1Definitions:UnitsofMeasurement—Allmeasurementsshallbeexpressedininch-poundunits(thatis:foot,pound(mass),second,anddegreesFahrenheit);ormetricunits(thatis:metre,kilogram,second,anddegreesCelsius).2.2StandardConditions,atwhichgaseousfuelsamplesshallbemeasured,ortowhichsuchmeasurementsshallbereferred,areasfollows:2.2.1Inch-poundUnits:(1)Atemperatureof60.0°F,(2)Apressureof14.73psia.(3)Freeofwatervapororaconditionofcompletewater-vaporsaturationasspecifiedperindividualcontractbetweeninterestedparties.2.2.2SIUnits:(1)Atemperatureof288.15K(15°C).(2)Apressureof101.325kPa(absolute).(3)Freeofwatervapororaconditionof...