Designation:F3350−18StandardGuideforCollectingSkimmerPerformanceDatainIceConditions1ThisstandardisissuedunderthefixeddesignationF3350;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedefinesaprocedureandmeasurementcriteriatoquantifytherecoveryrateandefficiencyofastationaryskimmersystemindrifticeconditions.1.2Thesuggestedprocedureandtestparametersarein-tendedtoprovideconditionstypicalofrelativelysparsedrifticeandrelativelydensedrifticecoverage.1.3Itisacceptedthattherecoveryrateasdeterminedbythisguidewillnotlikelybeachievableunderactualconditionsofaspill.Theprocedureinthisguidedoesnotaccountforsuchissuesaschangingrecoveryconditions,numberofdaylighthours,operatordowntime,lessthanidealcontrolofskimmersettings,andinclementweather.1.4Theprocedureinthisguideinvolvestheuseofspecifictestoilsthatmaybeconsideredhazardousmaterials.Itistheresponsibilityoftheuserofthisguidetoprocureandabidebynecessarypermitsandregulationsfortheuseanddisposaloftestoil.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D971TestMethodforInterfacialTensionofOilAgainstWaterbytheRingMethodD1298TestMethodforDensity,RelativeDensity,orAPIGravityofCrudePetroleumandLiquidPetroleumProd-uctsbyHydrometerMethodD2983TestMethodforLow-TemperatureViscosityofAu-tomaticT...
