p. 1 

# OAR Box 1384 Prepped byCharmelle Mathews



## Document

Number: 

# #261 ) ll-F-1 0 Docket Number: 

# A-94-5 2

Printed 7/2/20088:42:12 AM

Sheet 261 of 264P. 2 

# U-f- to Keit h BarnettTo : Peter_D._Eglinton@omb.eop.go v 02/22/200 1 09:1 3 A M cc : Subject : RE : reinforce d plastic s Dea rPeter : I don' tthin k

thes e are significant
. W e cove rth e manufactur e o freinforce d composites
. Mos to f wha tth e militar ydoe s i s repair
. I ha d asimila rconversatio n o n thi s issu e wit h someon e els e i n DOD
. W e specificall ymentio n tha tthi s NESHA P cover s manufacturin g an d ar e silen to n th e fac t tha ti tdoe s no tcove rrepair
. I fa n aerospac e facilit yi s makin g composite s usin g styren e base d thermose tresins , i twoul d potentiall yb e covere d b ytw o NESHAP , bu ttha ti s unavoidable , an d appropriate
. I sugges tDO D formall ysubmi tthei rcomment s t o th e docke ti n th e commen tperiod
. W e probabl y wil l ge tsimila rcomment s for m othe rsource s an d i twoul d b e bes tt o craf tlanguag e t o dea l wit h the m al l a tonce . Keit h W
. Barnet t U
. S
. Environmenta l Protectio n Agenc y Emissio n Standard s Divisio n MD-1 3 Researc h Triangl e Park , N C 2771 1 919-541-560 5 barnett.keith@epa.go v Peter_D._Eglinton@omb.eop.go v

PeterD . Eglinton@o m To : Keit h Barnett/RTP/USEPA/US@EP A b.eop.gov 02/21/200 1 03:5 1 P M cc : Subject : RE : reinforce d plastic sP. 3

Hi , Keith . Las t week , Do D contacte du s expressin g interes t i nth e RP C proposal . I mentione dtha t w e wer e tryin g t o reac hclosure , bu t tha t we' dlik e t o kno w i f the yhav e significan t concerns . Followin g ar e thei r comments . Pleas e le t m e kno wyou r thoughts . Thanks ! Pete r 03:4 8 P M Forwarde db yPete r D . Eglinton/OMB/EO P o n02/21/200 1
(Embedde d imag e move d t o file : PIC17066.PCX ) "Ling , Aliso nD " <Ling.Alison@HQ.NAVY.MIL >

02/21/200 1 03:45:2 5 P M

Recor dType : Recor d 

### To : cc : Pete r D . Eglinton/OMB/EO P 'dre k newton ' <newtonda@nfesc.navy.mil> , 'lis a trembly ' <ltrembl@nfesc.navy.mil> , "Ellis , KathyL " <Ellis.Kathy@hq.navy.mil > Subject : RE : reinforce dplastic s

Peter : Ou r initia l concern s ar e a s follow s base do nfeedbac k fro mth e Navy Aviatio n Depot s an dou r quic k revie wo f th e draf t rule . 1 . Overla p wit hothe r NESHAPS . A t man yfacilitie s (privat e an dmilitary ) th e solven t cleanin g operation s regulate db ythi s rul e wil l alread yb e regulate d b yth e Aerospac e NESHA P o r th e futur e Miscellaneou s Meta l Part s an dProduct s NESHAP . Th e Aerospac e NESHA P woul dcove r RP C relate dsolven t cleanin g operation s sinc e it i s no t limite dt o solvent prep . Regardles s a solven t tan k use dt o clea na spra y gu ncoul dals o b e use dt o clea na RP C relate ditem . Languag e shoul db e adde d t o th e rul e t o preven t overla p an dmak e i t clea r whic hrul e cover s th e solven t cleanin g operations . 2 . Lo wUs e Exemption . W e recommen dth e rul e includ e a lo wus e exemption . W e woul dnot want , an dEP Aprobabl ydoe s not intend , tha t a militar y installatio ntha t emit s littl e o r n o HA P fro mresi neac hyea r t o b e affecte d b ythi s rule . Muc ho f th e militar y aircraf t ar e mad e wit hcarbon-base dcomposite s whic hus e resin s tha t d o no t contai n styren e o r methy l methacralat e (MMA) . Th e resin s emi t smal l amount s o f volatil e amine s but no t muc hHAPs . Fo r example , on e o f ou r Depot s tha tP. 4

doe s a lo t o f composit e wor k involvin g militar yaircraft , ha s facilit ywid e emission s o f styren e an dMM Ao f onl y4 0 pound s an d3 pound s pe r year , respectively . Thei r styren e an dMM A emission s ar e probabl yfro ma ver ysmal l amoun t o f fiberglas s work . Surfac e coatin g NESHAP s exemp t facilitie s tha t us e betwee n20 0 an d1,20 0 gallon s pe r yea r o f coatings . EP A shoul dcreat e a comparabl e exemptio ntha t cover s affecte dresins , ge l coat s an dsolven t use di naffecte dRP C operations . Thu s facilitie s tha t qualif y fo r th e exemptio nwoul donl ynee dt o trac k resi nusag e an dno t nee dt o calculat e rolling-averag e point values . The ywoul dals o no t b e considere d a naffec t sourc e unde r th e rule . 3 . Scop e o f Rule . Althoug hth e emissio nlimit s ar e i nth e for mo f tota l HAPs , th e preambl e say s th e intent o f thi s rul e i s t o onl yregulat e RP C operation s involvin g resin s an dge l coat s tha t contai nstyren e and/o r methy l methacrylat e (en d o f sectio nI) . I f tha t i s indee dth e intent , th e rul e doe s not clearl yexemp t resin s tha t d o no t contai nthes e tw o HAPs . 63.578 0 say s matte r o f factl y tha t "Thes e operation s us e resin s o r ge l coat s tha t contai nstyren e and/o r methy l methacrylate... " but th e exemptio nshoul db e mor e clea r t o avoi dconfusion . E.g. , "Thi s rul e onl yaffect operation s tha t us e resin s o r ge l coat s tha t contai nstyren e and/o r MMA. " W e appreciat e th e opportunit yt o provid e comments , pleas e le t m e kno wi f yo u woul dlik e t o discus s anyo f thes e comment s further . Aliso nLin g (703)604-822 6 

## M s PIC1706 6