Designation:D8009−15ManualofPetroleumMeasurementStandards(MPMS),Chapter8.5StandardPracticeforManualPistonCylinderSamplingforVolatileCrudeOils,Condensates,andLiquidPetroleumProducts1ThisstandardisissuedunderthefixeddesignationD8009;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeincludestheequipmentandproceduresforobtainingarepresentativesampleof“live”orhighvaporpressurecrudeoils,condensates,and/orliquidpetroleumproductsfromlowpressuresamplepoints,wherethereisinsufficientsamplepointpressuretouseaFloatingPistonCylinder(FPC)asdescribedinPracticeD3700.1.2Thispracticeisintendedforusewithsampletypes,suchasUNClass3FlammableLiquids,thatmighthavebeencollectedandtransportedusingopencontainers.Theuseofamanualpistoncylinderinplaceofopencontainersisintendedtopreventthelossofvolatile(lightend)components,whichcanimpactsubsequenttestresults.1.3Thispracticeissuitableforsamplingcrudeoils,condensates,and/orliquidpetroleumproductshavingtruevaporpressureslessthan300kPa(43psianominal)at50°C.ThispracticeappliestosamplesthatwilltypicallyfallbetweenPracticesD4057(APIMPMSChapter8.1)andD3700.ThispracticeshallnotbeusedformaterialsclassifiedasUNClass2Gases2(“…havingavaporpressuregreaterthan300kPaat50°Coriscompletelygaseousat20°Cat101.3kPa.”).1.4Thispracticeallowsforsamplingofcrudeoilsthatflowfreelyattheconditionsofsampling.1.5Itistheresponsibilityoftheusertoensurethatthesamplingpointislocatedsoastoobtainarepresentativesample.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.1.6.1Exception—Thevaluesgiveninparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulator...
