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# OAR Box 1490 Prepped byCharmelle Mathews



## Document

Number: 

# 62 ) IV-C-35
Docket Number: 

# A-94-5 2

Printed 8/4/200811:51:47

AM Sheet 62 of 273P. 2

<H * Keit h Barnett 10/04/2002 01:40 PM A-94-5 2 IV-C-3 5 To : "Newton , Dre k

(NFESC) " <newtonda@nfesc.navy.mil > cc : Subject : RE : Repai rexclusions H Dea rDrek : I hav e attache d aWor d Perfectfile wit h th e section s ofth e rul e tha tcove ri fyo u facilit yi s affected , wha t operation s atyou rfacilit yar e excluded , an d th e definitio n o fnonroutin e manufacture

.
Repai rexemptions.wf Keit h W

. Barnet t US/EP AOAQPS , ESD/MIC G C504-0 5 Researc h Triangl e Park , N C 2771 1 919-541-560 5 barnett.keith@epa.go v
EP AAI R DOCKE

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A mI subiec t t o thi s subpart ? (a ) Yo u ar e subjec t t o thi s subpar t i f yo u ow no r operat e a reinforce dplasti c composite s productio nfacilit ytha t i s locate d a t a majo r sourc e o f HA P emissions
. Reinforce d plasti c composite s productio ni s limite d t o operation s i nwhic h reinforce dand/o r nonreinforce d plasti c composite s o r plasti c moldin g compound s ar e manufacture d usin g thermose t resin s and/o r ge l coat s tha t contai nstyren e t o produc e plasti c composites
. Th e resin s an dge l coat s ma yals o contai nmaterial s designe d t o enhanc e th e chemical , physical , and/o r therma l propertie s o f th e product
. Reinforce dplasti c composite s productio nals o include s cleaning , mixing , HAP-containin g material s storage , an d repai r operation s associate dwit hth e productio no f plasti c composites
. (b ) Yo u ar e no t subjec t t o thi s subpar t i f you r facilit y onl yrepair s reinforce dplasti c composites
. Repai r include s th e non-routin e manufactur e o f individua l component s o r part s intende d t o repai r a large r ite ma s define d i n§63.593 5 (c ) Yo u ar e no t subjec t t o thi s subpar t i f you r facilit yi s a researc han ddevelopmen t facilit ya s define d i nSectio n 112(c)(7 ) o f th e Clea nAi r Ac t (CAA)
. (d ) Yo u ar e no t subjec t t o thi s subpar t i f you r reinforce d plasti c composite s operation s us e les s tha n1. 2 tp yo f thermose t resin s an dge l coat s tha t contai nstyren e combined
. Wha t part s o f m vplan t doe s thi s subpar t cover ? (a ) Thi s subpar t applie s t o eac hne wo r existin g affecte d sourc e a t reinforce dplasti c composite s productio nfacilities
. (b ) Th e affecte dsourc e consist s o f al l part s o f you r facilit yengage di nth e followin g operations : ope nmolding , close d molding , centrifuga l casting , continuou s lamination , continuou s casting , polyme r casting , pultrusion , shee t moldin g compoun d(SMC ) manufacturing , bul k moldin g compoun d (BMC ) manufacturing , mixing , cleanin g o f equipmen t use d i nreinforce d plasti c composite s manufacture , HAP-containin g material s storage , an d repai r operation s o npart s yo u als o manufacture
. (c ) Th e followin g operation s ar e specificall yexclude d fro m an yrequirement s i nthi s subpart : applicatio no f mol d sealin g an d releas e agents , mol dstrippin g an d cleaning , repai r o f part s tha t yo u di d no t manufacture , includin g non-routin e manufacturin g o f parts , persona l activitie s tha t ar e no t par t o f th e manufacturin g operation s (suc ha s hobb yshop s o nmilitar ybases) , prepre g material s a s define di n§63.5935 , non-ge l coa t surfac e coatings , repai r o r productio nmaterial s tha t d o no t contai nresi no r ge l coat , an d researc han ddevelopmen t operation s a s define d i n Sectio n112(c)(7 ) o f th e CAA . (d ) Productio nresin s tha t mus t mee t militar yspecification s ar e allowe dt o mee t th e organi c HA P limi t containe d i ntha t specification
. I norde r fo r thi s exemptio nt o b e used , yo u mus t suppl yt o th e permittin g authorit yth e specification s certifie d


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### a s accurat e b

ythe militaryprocuremen t officer , an d thos e specification s mus t stat e a requiremen t fo r a specifi c resin , o r a specifi c resi nHAP content . Productio nresin s fo r whic hthi s exemptio ni s use d mus t b e applie dwit hnonatomizing (non

spray ) resi napplicatio nequipmen t unles s yo u candemonstrat e thi s i s infeasible
. Yo u mus t kee p a recordo f the resin s fo r whic h yo u ar e using thi s exemption
. Non-routin e manufactur e mean s tha t yo u manufactur e part s solel y t o replac e wor no r damage dpart s o f a reinforce dplasti c composite s product , o r a produc t containing reinforce dplasti c composit e parts , tha t wa s originall ymanufacture di nanothe r location
. Fo r a par t t o qualif ya s non-routin e manufacture , i t mus t b e use d fo r repai r o r replacement , an d the manufacturing schedul e mus t b e base do nthe curren t o r anticipate drepai r need s o f the reinforce d plasti c composite s product , o r a produc t containing reinforce dplasti c composit e parts .



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