Designation:F1522–95(Reapproved2001)StandardGuideforUseoftheSteamStrippingProcessinMitigatingChemicalSpills1ThisstandardisissuedunderthefixeddesignationF1522;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverstheconsiderationsfortheuseofsteamstrippinginthemitigationofspilledchemicals(includinghydrocarbons)dissolvedingroundandsurfacewaters.Aes-theticandsocioeconomicfactorsarenotconsidered;although,theseandotherfactorsareoftenimportantinspillresponse.1.2Thisguideaddressestheapplicationofsteamstrippingaloneorinconjunctionwithothertechnologies.1.3Inmakingdecisionswithregardstodischargingtreatedwaterandoperatingaboiler,appropriategovernmentauthori-tiesmustbeconsultedasrequiredbylaw.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Inaddition,itistheresponsibilityoftheusertoensurethatsuchactivitytakesplaceunderthecontrolanddirectionofaqualifiedpersonwithfullknowledgeofanypotentialorappropriatesafetyandhealthprotocols.2.Terminology2.1Definitions:2.1.1feed-to-steamratio—ratiooffeedflowrate(byweight)tosteamflowrate(byweight).2.1.2foulants—substances,suchasclayorsilt,microbialbiomass,organicsolidsorfilm,inorganics,andnaturallyoccurringcompounds,thatinterferewiththedesiredprocess.2.1.3Henry’slaw—whenaliquidandagasareincontact,theweightofthegasthatdissolvesinagivenquantityofliquidisproportionaltothepressureofthegasabovetheliquid.Thelawholdstrueonlyforequilibriumconditions,thatis,whenenoughtimehaselapsedsothatthequantityofgasdissolvedisnolongerchanging.2.1.4Henry’slawconstant—afunctionofthecompound’ssolubilityintheliquidphaseanditsvolatility.AhighHenry’...
