Designation:F2532−13StandardGuideforDeterminingNetEnvironmentalBenefitofDispersantUse1ThisstandardisissuedunderthefixeddesignationF2532;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversconsiderationsinassessingnetenvi-ronmentalbenefitofdispersantuseonoilspills.Thepurposeofthisguideistominimizeenvironmentalandsocioeconomicimpactsofoilspills.1.2Netenvironmentalbenefitanalysis(NEBA)ofallre-sponseoptionsshouldbeconductedaspartofoilspillcontingencyplanning.1.3Therearemanymethodstocontrolorcleanupoilspills.Allspillresponseoptionsshouldbegivenequalconsideration.1.4Onlygeneralguidanceisprovidedhere.Itisassumedthatthecrudeorfueloilisdispersible.Thedispersantisassumedtoberelativelyeffective,appliedcorrectly,andincompliancewithrelevantgovernmentregulations.Differencesbetweencommercialdispersantsorbetweendifferentoilsarenotconsideredinthisguide.1.5Thisguideappliestomarineandestuarineenvironmentsonly.1.6Whenmakingdispersantusedecisions,appropriategovernmentauthoritiesshouldbeconsultedasrequiredbylaw.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F1788GuideforIn-SituBurningofOilSpillsonWater:EnvironmentalandOperationalConsiderationsF2205GuideforEcologicalConsiderationsfortheUseofChemicalDispersantsinOilSpillResponse:TropicalEnvironments3.SignificanceandUse3.1NetEnvironmentalBenefitAnalysis(NEBA)whenappliedtooilspillresponse,istheprocessofconsideringadvantagesanddisadvantagesofdifferentspillresponseop-tions(includinganoresponsebaseline)andcomparingthemtoidentifyaspillresponsedecisionresultinginthelowestoverallenvironme...
