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# OAR Box 1500 Prepped byOllie Stewart



# Document

Number: 

# 15 ) ll-C-4 1 Docket Number: 

# A-94-5 2

Printed 8/5/20081:51:27

PM Sheet 15of 343P. 2 

# A-34-5 2

^ e 0 sr % 

# Km. UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENCY RESEARC H TRIANGL E PARK. N C 2771 1



### Mr . Joh n Schweitze r Composite s Institut e 144 1 Whit e Stree t An n Arbor , Michiga n 4810 4 

## Dea r John : AU G 

## 1 2 199 6 OFFIC E O F

AI R QUAUT YPLANNIN G AN O STANDARD S

.'ft 

# KISHR

i $&>'. EP AAI R DOCKE T

Than k yo u fo r givin g u s th e opportunit yt o revie wyou r summar yo f th e Jul y29 , 199 6 Pultrusio n Industr yCounci l an d MAC T fo r Composite s meetings . Enclose d ar e ou r comment s o n thes e summaries . Sincerely , \AJL^ 

### Madelein e Stru m Environmenta l Enginee r Coating s an d Consume r Product s Grou p 2 Enclosure sP. 3 

# s

Comment s o n Jul y2 9 meeting o n MAC T fo r pultrusio n

1 . Revis e las t sentence : "EPAsuggeste d ... , withou t specifi c requirement s fo r quantificatio n leakage. " (Delet e remainde r o f sentence. ) (W

e ar e thinkin g tha t a reasonabl e definitio n woul d addres s bot hexpose d resi n an d leakag e bu t no t quantificatio n o f leakage . Fo r example , w e woul d includ e i n th e definitio n a n expose d resi n lengt ho f n o mor e tha n 1 5 inche s and describ e a leakag e collectio n systemtha t woul d avoi d us e o f large , ope n dri p pans , an

d b e mor e lik e the funnel-lik e systemfo r collectio n use d i n th e Reichol d experimen t versu s a dri p pan. ) 2 . Revise : "EPAthough t th e clearance s a t th e PI C experiment s wer e al l significantl ysmalle r tha n 3/ 8 inch . Th e PI C agree d tha t th e 3/ 8 inc hwa s no t neede d fo r al l rovings/mats/tubes , bu t rather , wa s a wors t cas e tha t encompasse d al l situation s an d woul d simplif yth e requirement . Th e PI C agree d t o provid e a tabl e tha t woul d contai n differen t allowabl e clearance s fo r differen t situations. " 3 . Kee p firs t sentence . Ad d second an d thir d sentenc e a s follows : "EPArequeste d tha t th e allowe d backflo wfo r di e injectio n b e base d o n th e di e injectio n machin e whic hwa s tested . EP Anote d tha t ther e wa s ver ylittl e backflo wo n th e teste d machin e an

d estimate d i t wa s n o mor e tha n fiv e ounce s pe r hour. " Keep las t sentence . 4 . Revise : "EPAreporte d tha t th e Tecto n pultrusio n facilit yi n Fargo , ND , employ s a n incinerato r t o contro l emission s from pultrusio n and achieve s a n overal l contro l efficienc yo f 9 5 percent . Th e devic e wa s employe d primaril yfo r th e pultrusio n operation ; therefore , 9 5 percen t overal l contro l mayb e th e ne w sourc e flSSr . (Not e tha t a dre ~ injectio n machin e tha t perform s simila r t o th e on e whic hwa s teste d i n th e PI C pultrusio n study , wit hregar d t o backflow , woul d mee t thi s leve l o f control. ) EP A agree d t o provid e the PI C al l nonconfidentia l busines s informatio n (CBI ) abou t thi s contro l system-. . EPAconsider s th e non-CB I informatio n availabl e fo r Tecto n suffi&ien t t o suppor t a ne wsourc e floo r o f 9 5 percent. " 5 . Delet e th e las t par t o f the las t sentenc e (afte r th e semicolon ) an

d replac e with : "EP Aagree d tha t i t wa s importan t t o kno who wlin e spee d affect s the percen t availabl e styrene . Fo r example , th e PI C indicate d tha t th e 1 1 percen t emissio n facto r wa s associate d wit ha two fee t pe r minut e lin e spee d (whichi sP. 4



## typica l fo r some pultrusio n processes. ) I f the same machin e wa s runnin g a t fou r fee t pe r minute , th e emissio n facto r woul d b e hal f o f th e 1 1 percent. "— — - P H

From : Joh n Scfjweitee rTo : Madeleine Stru m Date : 8/5/96 time : 23:55:32 Pag e Z o f2 "~^^^^~~

URA H August 6 , 199 6 To : Madelein e Strum , EP A To m Griffiths , Omeg a Pullrusion s Larr yConnors , LibertyPolygla s Ji m Gaudiel , Owen s Cornin g Wal t McSherry , Omeg a Pultrusion s Nelso n Douglas , Reichhol d * Joh n Barker , MMK i Tr : Joh n Schweit7er , SPI/C I I'v e prepare d th e followin g summar yo fou rJuly2 9 meetin g o n MAC Tfo rpultrusion . Please revie wthi s draf t an d provid e comment s o rcorrection s b yAugust 16 . 1 . EP

A suggested tha t th e allowabl e leakag e fro m saturatio n chambers o fprefor m injector s shoul d b e based o n measurement s o fleakag e fro m th e actua l devic e used i n th e PI C study . EP Aalso questione d applyin g th e reductio n achieve d byth e prefor m injecto ri n th e stud yt o othe rpreij^f e injectors wit h othe rquantitie s o fexpose d resi n an d leakage . Joh n Barke ragree d t o provid e a^ ^ quantitativ e descriptio n (surface are a an d amount ) o fth e leakag e (expose d t o air) fro m th e devic e used i n th e PI C study . EP A suggeste

d tha t th e Contro l Facto rfo rprefor m injectio n b e set a t th e overal l contro l statu s (PECS ) require d fo rexistin g sources , an d the n th e standar d woul d contai n onl ya reasonabl e descriptio n o fprefor m injection , withou t specifi c requirement s fo rleakag e o r expose d resin ; th e PI C agree d t o conside rthi s suggestion . 2 . I h e PI C agree d t o provid e additiona l informatio n abou t wh y3/ 8 inc h dearanc e i s neede d fo r reinforcemen t entranc e t o We t Are a Endosures . 3 . EP

Asuggested tha t th e 5 pound s pe rhou rbackflowallowe d i n th e PI C propose d MACT fo rdirec t di e injector s i s to o hig h an d i s not . relate d t o actua l measurements . Th e PIC Tagree d t o revie wan d conside ra n allowe d backflo wbased o n a smal l percentag e o fresi n processed . 4 . EP

Areporte d dia t th e Techto n pultrusio n fadlityi n Fargo , ND , employ s a n indnerato rt o contro l emission s fro m pultrusion ; emission s fro m n o othe roperation s ar e controlle d bythi s device ; therefor e incineratio n ma yb e th e ne wsourc e MAC Tfloor. EP

Aagree d t o provid e t o th e PI C al l availabl e informatio n abou t thi s contro l syste m an d an ycollectio n device s use d a t th e pultrusio n machine , ^spcdall yinformatio n o n occupationa l exposure s t o styrene ; th e PI C wil l revie wthi s informatio n an d attemp t t o asses s th e applicabilityo fthi s technolog yt o othe rpultrusio n operations . Th e PI C asserte d dia t EP A shoul d no t rel yo n "CBI " dat a i n settin g MAC Tfloors, since thi s wil l limi t industry' s abilit yl o full yevaluat e Ui e contro l ledmology . 5 . Th e PI C provide d additiona l informatio n o n Ui e amoun t o fstyren e processe d pe rhou ri n tii e PI C Phas e I I study ; EP

A agree d tha t thi s informatio n wa s full yresponsive-t o th e Agency' s reques t Th e PI C note d that , sinc e emission s a s a percentag e o fproductio n i s highl yrelate d t o productio n rate , dat a fro m th e IM C studie s canno t b e used t o se t vali d emissio n factors ; bl' A agree d tha t th e dat a shoul d no t b e use d t o se t emissio n factors . pJ4:10AA6.44IH44 4 

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## Summaryo f Jul y29t hmeetin g o n MAC T fo r Composite s 1 . Revise : "EP

Arequeste d on e o r mor e futur e meeting s wit h Ro b Haberlei n an

d C I t o explor e furthe r aspect s o f add-o n controls . C I agree d t o arrang e fo r Ro bHaberlei n t o b e a t thes e meetings. " 2 . N o comment s 3. . Revise : "CF

Aagree d t o collec t additiona l informatio n fro m thos e facilitie s i n th e databas e tha t clai mus e o f resin s wit h les s tha n 3 5 percen t styren e conten t (an d othe r control s though t byindustryt o b e unlikely) . EP Aagree d t o updat e th e databas e whe n CFAprovide s th e ne winformation. " (NOTE : I sugges t a deletio n o f th e las t sentenc e sinc e ther e mayb e a discrepenc yi n wha t wa s mean t b

yth e statement . EP Ai s considering th e us e o f averagin g o f HAP content s o f differen t resin s whic har e use d i n th e same proces s subcategory . Fo r example , a facilit ywhic huse s 1 0 ton s o f a 4 0 percen t HA P resi n and 1 0 ton s o f a 3 0 percen t HA P resi n woul d b e considere d t o hav e a n averag e HAP conten t o f 3 5 percen t HAP. ) 4 . Revise : "EP

Adisagree d wit hth e industrypositio n tha t th e incinerato r a t AR E i s primaril yfo r painting . EPAi s usin g tha t facilit ya s a ne wsourc e MAC T floor. " 5 . Statemen t i s accurat e excep t tha t America n Standar d ca n b e use d i n setting th e MAC T floo r fo r existing source s i f th e standar d i s delaye d b ya n amoun t o f time suc htha t America n Standar d ha s ha d it s contro l operatin g fo r mor e tha n 1 8 month s prio r t o proposa l o r fo r mor e tha n 3 0 month s prio r t o promulgatio n (whicheve r i s later) . 6 . Revise : "EP

Aagree d tha t th e result s o f the CF Aemissio n studie s ma yb e use d t o hel p quantif yemissio n reduction s achieve d byth e pollutio n preventio n measure s include d i n th e studies. " 7 . Revis e las t sentence : chang e "EPA/ESD " to^-RPA. " 8 . Revis e firs t sentence : "EPAsuggeste d tha t wor k practice s involvin g spray-u

p technique s ar e to o difficul t t o enforc e an d t o ensur e tha t theyar e continuousl yachieving emissio n reduction s t o us e a s an alternativ e mean s o f complianc e wit hothe r MAC T requirements. " (N

o chang e t o second sentence. )P. 7



## 9 . Revis e firs t sentence : "EP Adisagree d wit hindustry' s clai m tha t SBREFAshoul d tak e precedenc e ove r CA Arequirements , specifically , thos e criteri a tha t pertai n t o setting MAC T floors. " (N

o chang e t o second o r thir d sentences. ) 10 . N o comments .From : Joti n Schweitze rTo : Madeleine Stru m Date : 8/6/9 6 Time : 23:40:0

4 P. 8

URA F I Augusts , 199 6 epa0606.me m To : Madelein e Strum , EP A Bruce Jordan , EP

A Steve McfMally , CF A Ro b Haberlein , EEC

S Wal t McSherry , Omeg a Pultrusion s * Rosemari e Keiley , Kelle ran d Heckma n Tr : Joh n Schweitzer , SPI/C I

I'v e prepare d th e followin g summaryo fou rJul y2 9 meetin g o n MAC Tforcomposites . Meas e revie wthi s draf t an d provid e comment s o rcsorrection s b yAugus t 16 .

4 . 5 . EP

Aagree d t o mee t wit h Ro b Haberlein , an d furthe revaluat e industry' s dai m tha t th e indneratio n o femission s from mos t composit e manufacturin g operation s is a nct-negativ c fo rth e environmen t C l agree d t o arrang e thes e meetings . EP Aagree d tha i fadlitie s wit h co-locate d operation s (e.g. : SM C compoundin g an d painting ) ar e possibl yno t usefu l model s i n establishin g MAC Tfo ron e o fth e processes , i fi t ca n b e show n tha t a contro l used b

y(li e fadlit yi s primaril yfo rth e oilie rprocess . Ope n issues : wha t l o d o wil h lh e fadlity(pu t i t i n its ow n subcategory?) , an d ho wto establis h th e primarypurpos e o fa control . CFAagree d t o collec t additiona l informatio n fro m thos e fadlities i n th e databas e tha t dai m us e o f resin s wit h les

s tha n 35 % styren e conten t (an d othe rcontrol s though t byindustr yt o b e unlikely) . TP A agree d t o correc t th e databas e whe n CT Aprovide s th e ne winfonnation . TP A als o agree d to conside rdat a o n HA P conten t i n resi n to b e average s rathe rtha n maximums . EP Adisagree d wit h th e industrypositio n tha t th e indnerato ra t AR E i s primaril yfo rpainting . EP Aagree d tha t th e contro l devic e a t America n Standar d ha s bee n installe d to o recentl yfo rus e i n settin g th e MAC Tfloorfo rexistin g sources , bu t no t fo rne wsources . EP AagreelTtha t th e results o fth e CF Aemissio n studie s wil l b e used t o hel p quantif yth e emissio n reduction s achieve d byth e pollutio n preventio n measure s indude d i n th e studies . Industr yasked EP

A to addres s th e mis-us e o finformatio n from th e CFAan d RT I emissio n studie s as emissio n factors . EP

Aagree d tha i lh e Agenc ystaf fresponsibl e fo rAP-4 2 wil l revie wdi e availabl e information , an d make a determinatio n o fth e bes t wa yto estimat^emission s from composit e manufacturing ; EPA/ES D wil l the n issu e appropriat e guidance ; thi s wilPBe°don e i n th e nea r future .P. 9

Prom : Joh n SchweitzerTo : Madelein e Stro m Date : 8/679 6 Tim : 2*40:4 0 WJ« J

DRAF I 8 . EP

Asuggested tha t wor k practices , spcdficall yspray-u p techniques , ar c to o difficul t to enforc e to pla ya larg e rol e i n MACT . Industryagree d t o prepar e a 4MAC Tproposa l tha t indude s wor k practice s a

s MACT fo rspray-up , an d submi t to EP Afo rconsideration . 9 . EP

Adisagree d wit h industry' s dai m tha t SBREF Acompel s EP

Ato conside rsmal l business impact s whe n sellin g MAC Tfloors . EP Anote d tha i smal l busines s impacts ar e alway s importan t i n regulatio n developmen t EP A suggested tha t industr yconside rseparat e subcategorie s fo rsmal l an d larg e businesses . * 10 . Industr

yaske d EP

A to conside rcost , energy , environmental , an d smal l busines s impact s whe n settin g MAC Tfloors. TPA responded tha t th e Ar t doe s no t provid e for4MAC Tfloors to b e se t i n thi s manner ; however , th e Agenc yagree d t o use whateve rflexibilityi s provide d i n th e Ac t to se t reasonabl e MAC Tfloors. IT A suggested tha t industr yprovid e additiona l informatio n abou t thos e fadlities tha t ma yb e settin g floors a t unreasonabl e levels .