WPCY oX2K i+2#va}ԃ B$U{v,7k0C9A@; N=-BSds.:)*>r 9x|sf>>ۼnOpIK.]~Z\ó#2BO _K.O7Y`)DnCc5kD\O]8%OTB|A+9)xF $&_ P"9cҮ X.$@`ң\؍]!SǢ㇜ֻ~?E @dZiE>g[$[߳az_`8Wq=dOO8}@;2_(DM4/*|M"@3tmԛzj;Qr䖕$= ,^4=ԯ&ȞoH峛,l9\hJQ 6 XأEofJ7/#!UN %3 0(9^ awm4q m\UN NWHP DeskJet 540 Printer ,,,, 0(9 Z6Times New Roman RegularX($Ct& nc&x0fdw3|xU DjukicTwinsburgKleen TCE PCBs(9 Z 6Times New Roman Regular !  _ Mr.KenDjukicDivisionofAirPollutionControlStateofOhioEnvironmentalProtectionAgencyNortheastDistrictOffice2110E.AuroraRoadTwinsburg,OH440871969DearMr.Djukic:  Weappreciateyourattentiontotheapplicationof40CFRPart63,SubpartTtothecleaningofPCBcontaminatedtransformers.AsdescribedinyourletterdatedFebruary8,1999,weunderstandSafetyKleenoperatesafacilitywhichdecontaminateselectricaltransformersthatpreviouslycontainedPCBoilsinaccordancewithaPCBpermitauthorizedbyUSEPARegionV.ThedecontaminatingoperationsusedatSafetyKleenincludetheuseoftwotrichloroethylene(TCE)coldcleanerswhicharesubjectto40CFRPart63,SubpartT,NationalEmissionStandardsforHalogenatedSolventCleaning.Asnotedinyourletter,aconflictexistsbetweenthedecontaminationoperationsandoperationalpracticestandardsspecifiedin63.462(c)(8)andtheUSEPAPCBpermit.Section63.462(c)(8)prohibitsthecleaningof sponges,fabric,wood,andpaperproductsinbatchcoldcleaningmachinessubjecttoSubpartT,whiletheUSEPAPCBpermitincludesadecontaminationcycleinwhichtheinternalporouscomponentsofthetransformerare cleanedinabatchcoldcleaningmachine.WeunderstandtheUSEPAPCBpermitproceduresweredesignedtolimittheexposureofSafetyKleenpersonneltoPCBs.   XXXXTheintentofthe_halogenated_ԀsolventNESHAPistoregulatethesurfacecleaningof $D # materials.40CFRsection63.463(d)(8)statesthat [_s]ponges_,fabric,wood,andpaperproductsshallnotbecleaned.Theintentofthisrequirementistoprohibittheuseofsolventcleaningmachinestocleansolventladenrags,sponges,etc.EPAdidnotintendtoprohibitthedecontaminationoperationsofPCBladentransformerssuchasthosespecifiedinthe#XXX X#USEPAPCB (#' permitissuedtoSafetyKleen XXXX.#XXX Xp#PursuanttoSafetyKleensPCBpermit,thetransformersinternal )$( parts(paper,foil,insulation,plates,etc.)mustberemovedfor furtherdrainingandpressureextractionofdielectricfluidresiduals,asneeded,andthenstoredforfinaldisposalinaTSCAapprovedincinerator.WebelievethedecontaminationcycleprovidedintheUSEPARegionVpermit,aswellasotherUSEPAPCBapprovedpermits,willsufficientlyprotectagainstthe @-(, offgassingof_halogenated_Ԁsolventstotheatmosphere.  EPAproposestoclarifytheintentof XXXX40CFRsection63.463(d)(8)#XXX X7 #Ԁthroughanupcoming  amendmenttotherule.Throughthisruleamendment,EPAwillclarifythattheprohibitionin XXXX63.463(d)(8)#XXX X #ԀdoesnotextendtoporousmaterialthatarepartofPCBladentransformers,solong ` assuchmaterialsarehandledanddisposedofincompliancewithanapprovedPCBpermitissuedundertheToxicsSubstanceControlActor761.79,PCBdecontaminationstandardsandprocedures.EPAanticipatesproposingthisamendmenttoSubpartTinthespringof1999,andpromulgatingtheamendmentinthesummerof1999. XXXXԀIfyouhaveanyquestions,pleasecontact  ` TracyBackat(202)5647076.0  0` (#(#0 ` (#` (#0 (# (#0h(#(#0h(#h(#0(#(#Sincerely, (#(#    `     h     Elliott_Gilberg_,Director   `     h     Chemical,CommercialServicesand   `     h     MunicipalDivision#XXX X#cc:Paul_Almodovar_,OAQPSCharlie_Garlow_,OREPatricia_Embrey_,_OGC_JohnSmith,_OPPTS_PriscillaFonseca,RegionV