Designation:D3415−98(Reapproved2017)StandardPracticeforIdentificationofWaterborneOils1ThisstandardisissuedunderthefixeddesignationD3415;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthebroadconceptsofsamplingandanalyzingwaterborneoilsforidentificationandcomparisonwithsuspectedsourceoils.Detailedproceduresarereferencedinthispractice.Ageneralapproachisgiventoaidtheinvestigatorinplanningaprogramtosolvetheproblemofchemicalcharacterizationandtodeterminethesourceofawaterborneoilsample.1.2Thispracticeisapplicabletoallwaterborneoilstakenfromwaterbodies,eithernaturalorman-made,suchasopenoceans,estuariesorbays,lakes,rivers,smallerstreams,canals;orfrombeaches,marshes,orbanksliningoredgingthesewatersystems.Generally,thewaterborneoilsfloatonthesurfaceofthewatersorcollectonthelandsurfacesadjoiningthewaters,butoccasionallytheseoils,orportions,areemul-sifiedordissolvedinthewaters,orareincorporatedintothesedimentsunderlyingthewaters,orintotheorganismslivinginthewaterorsediments.1.3ThispracticeaspresentlywrittenproposestheuseofspecificanalyticaltechniquesdescribedinthereferencedASTMstandards.Asadditionaltechniquesforcharacterizingwaterborneoilsaredevelopedandwrittenupastestmethods,thispracticewillberevised.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.Refer...
