Designation:D4489−95(Reapproved2017)StandardPracticesforSamplingofWaterborneOils1ThisstandardisissuedunderthefixeddesignationD4489;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesepracticesdescribetheprocedurestobeusedincollectingsamplesofwaterborneoils(seePracticeD3415),oilfoundonadjoiningshorelines,oroil-soakeddebris,forcom-parisonofoilsbyspectroscopicandchromatographictechniques,andforelementalanalyses.1.2Twopracticesaredescribed.PracticeAinvolves“grabsampling”macrooilsamples.PracticeBcanbeusedtosamplemosttypesofwaterborneoilsandisparticularlyapplicableinsamplingthinoilfilmsorslicks.Practiceselectionwillbedictatedbythephysicalcharacteristicsandthelocationofthespilledoil.Thesetwopracticesare:SectionsPracticeA(forgrabsamplingthicklayersofoil,viscousoilsoroilsoakeddebris,oilglobules,tarballs,orstrandedoil)9to13PracticeB(forTFE–fluorocarbonpolymerstripsamplers)14to171.3Eachofthetwopracticesisdesignedtocollectoilsampleswithaminimumofwater,therebyreducingthepossibilityofchemical,physical,orbiologicalalterationbyprolongedcontactwithwaterbetweenthetimeofcollectionandanalysis.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeSection7.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Commit...
