# OAR Box 1490 Prepped byCharmelle Mathews



## Document

Number: 

# 45 ) IV-C-1 8 Docket Number: 

# A-94-5 2

Printed 8/4/200811:51:47

AM Sheet 45of 273 P. 1P. 2 

### A-94-5 2 IV-C-1 8
Cassid yMike <Mike.Cassidy@kohle r .com > 02/28/200 2 09:3 7 A M To : Keit h Barnett/RTP/USEPA/US@EP A cc : Hafel e Myro n <Myron.Hafele@kohler.com> , 'Joh n Schweitzer/CFA ' <jschwtzr@gte

. net > Subject : RE : Revise d Floor s fo rNoncorrosio n Resistan tresin s



### Keith , Chank s fo r th e information . Pleas e not e th e followin g fo r ou r open-moldin g bu^i^esse s regardin g th e revise d propose d floor , "th e draf t revise d flop>-^ s 3 5 perfc**5{i

t HA P resi nan d non-atomize d resi napplication" : 1 ) Th e 35 % fiAP resi nfo r fille d resin s i s significantl ylov^e-fthanwhat we'r e currentl yasking . W e appl yfille d resin s wit hnon^a-tomizing equipment , but w e experienc e po^s xproduct qualit ywit hresin s cefTtaining les s tha n abou t 40 % HAP . Getting^< o les s tha n35 % HA P wi^'no t b e feasibl e i nth e nea r future . Thi s i s a significan t issu e sjj*t5 e th e grea t majorit yo f th e resi nw e us e i s applie d i na riJ^e d sys^ e 2 ) Non-atomize d resi napplicatjx>«^for^smfille d resin s i s currentl yno t feasibl e fo r ou r open-molding^-cSperations^^v^ e appl yge l coa t resin s a s unfille d resins . Again , mo^ t o f ou r ge l coat^v^xcee d th e 35 % HAP . Mor e significan t i s th e fapte*^that we'v e bee nunsuccessfu l i napplyin g ge l coat s wit hnon-atomize d shipment . W e experienc e ver ypoor^qyalit ywit hth e finishe d ge l coa xmateria l and w e anticipat e tha t non-atolbi^zed applicatio n o f ge l coat^resi nwil l no t b e feasibl e i nth e ,nea-r-future . Mik e Gassid y 

## m27 J,J3 3

EP A AI RDOCKE T Origina l Messag e From : Barnett.Keith@epamail.epa.go v [mailto:Barnett.KeithSepamail.epa.gov ] Sent : Monday , Februar y25 , 200 2 1:0 0 P M To : Cassid yMik e Subject : Revise d Floor s fo r Noncorrosio nResistan t resin s

Dea r Mike : I a mforwardin g th e E-mai l I sen t t o Joh nSchweitze r a t CF Ao nth e revise d floors . Keit hW . Barnet t US/EP AOAQPS , ESD/MIC GC504-0 5 Researc hTriangl e Park , N C 2771 1 919-541-560 5 barnett.keith@epa.go v Forwarde d b yKeit hBarnett/RTP/USEPA/U S o n02/25/200 2 01:5 8 P M

Keit hBarnet t

02/22/200 2 To :

cc : j schwtzr@gte.ne t

KRMeardon@mactec.com , PennyP. 3

12:4 9 P M

Noncorrosio n Lassiter/RTP/USEPA/US@EP A bcc : Subject : Revise d Floor s fo r Resistan t resin s

Dea r John : Attache d i s a nexce l spreadsheet s wit hth e revise d floor s fo r noncorrosio nresistan t resins . th e draf t revise d floo r i s 3 5 percen t HA P resi nan d non-atomize d resi napplication . I t i s interestin g t o not e tha t thi s i s identica l t o th e floo r fo r productio nresi ni nth e fiberglas s boa t manufacturin g rule . W e believ e tha t no wcombinin g fille d an d unfille d noncorrosio nresistan t resin s i s appropriat e base d o nth e followin g rationale : Th e reaso ntha t w e originall yspli t ou t fille d an d unfille d resin s wa s tha t non-atomize d mechanica l resi napplicatio no f file d resin s wa s not possible , an d w e wante d t o b e abl e t o includ e non-atomize d resi n applicatio ni s a napplicabl e emissio nreductio ntechniqu e o nth e floo r fo r unfille d resins . Now , bot hfille d an d unfille d resin s ca nb e applie d usin g non-atomize d resi napplicatio ntechnology . S o thi s reaso n n o longe r exists . Apossibl e secon d reaso nt o kee p fille d an d unfille d resin s separat e woul d b e that,al l othe r thing s bein g equal , fille d resin s nee d a highe r HA P conten t specificall ydu e t o th e presenc e o f th e filler , an d th e effec t o f th e fille r o nth e handlin g characteristic s o f th e resin . I f tha t wer e true , combinin g fille d an d unfille d resin s migh t resul t i na floo r fo r fille d rein s tha t wa s no t achievable . However , combinin g fille d an d unfille d resin s doe s no t resul t i na lowe r floo r fo r fille d resins . Therefor e eve ni f fille d resin s d o nee d mor e HA P compare d t o th e unfilled , thi s poin t i s moot . I ncontrast , ther e ar e compellin g reason s t o no wcombin e fille d an d unfilled . On e i s tha t i t simplifie s th e rule . th e secon d i s tha t most o f th e best controlle d facilitie s us e add-o ncontrols . Th e us e o f filler s doe s no t impac t add-o ncontro l performance . I f w e creat e a n artificia l separatio nhere , w e ar e essentiall yreducin g th e tota l populatio no f facilitie s an d biasin g th e floor . Combinin g fille d an d unfille d resin s i s als o consisten t wit hou r approac hfo r toolin g resin s (whic hma yb e fille d o r unfilled) , an d manua l and filamen t windin g resi napplication , wher e w e d o not differentiat e betwee nfille d an d unfilled . Base d o nou t approac hfo r thes e othe r applicatio nmethods , th e presenc e o f filler , i nan d o f itself , i s no t a reaso nt o separat e noncorrosio nresi nint o differen t proces s produc t groupings . (Se e attache d file : MechNonC RCombine d comparison3.xls )P. 4



### KeithW . Barnet t US/EPAOAQPS , ESD/MICGC504-0 5 ResearchTriangl e Park , N C 2771 1 919-541-560 5 barnett.keith@epa.gov (Embedded imag e move d t o file : pic05416.pcx )