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# OAR Box 1490 Prepped by Charmelle Mathews



### Document

Number: 

# 55 ) IV-C-2

8 Docket Number: 

# A-94-5 2

Printed 8/4/200811:51:47

AM Sheet 55of 273P. 2 A-94-5 2 IV-C-2 8 Keit h Barnet t 05/06/200 2 01:3 4 PM To : jbarker@strongwell.co m cc : jschwtzr@gte.ne t Subject : Prefor m Injectio n Dat a Summar

y Dea rJohn : Th e attache d fil e i s a summar y o f th e prefor m injectio n emissio n tes t data . On e issu e w e nee d t o addres s i s wha t i s th e correc t uncontrolle d emissio n number . I f w e ar e goin g t o mak e a cas e tha t prefor m injectio n i s equivalen t (mor e o rless ) t o 9 5 percen t control , w e nee d t o b e sur e w e ar e usin g th e correc t "uncontrolled " number . I a m no t sur e tha t th e percen t reduction s i n th e attachmen t ar e base d o n th e correc t number . I hop e w e ca n discus s thi s furthe ri n ou t nex t meetin g o n Ma y 23 . Bu t fee l fre e t o cal l m e prio rt o th e meeting . Also , I a m faxin g som e informatio n an d discussio n o f th e definitio n fo rprefor m injection . prefor minjectio n performanc e datasumm a Keit h W . Barnet t US/EP A OAQPS , 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 A AI R DOCKE

TP. 3


### SUMMAR Y O F PREFOR

M INJECTIO

N DAT A 1 . Pultrusio n Industr

y Counci l (PIC) , Phas e I I Data

—commercia

l ladde r rai l

- conducte d insid

e temporar y tota l enclosur e

- ai r flo w (exhaust

) ou t ofth e TT E wa s kept

a t aleve l sufficien t t o mee t EP A TT E design criteri a

—plan

t ai r flo w a t wet area s was 10

0 fee t pe r minut e Results : Tota

l Hydrocarbon Analyze

r Carbon Tub e Baseline : 0.9 1 lb s pe

r hou r 0.7 5 lb s pe r hou r wit h preform : 0.0 9 lb s pe

r hou r 0.0 9 lb s pe r hou r % reduction : 90.11 % 88 % Using amoun

t of styren e processed , TH

A baselin e emissio n facto r of 10.7 % of available styrene an

d 1.06 % wit h preform . 2 . Strongwell

—ai r velocit y a t preformer, we

t out area : 20 0 fee

t pe r minut e

—conducte d i

n accordanc e wit

h EP A Metho d20

4

—intak

e an d exhaus t ai r a t openings : 40 0 fee

t pe r minut e Results : Ope

n bath : 76.5 9 pp

mne t emission s generate dproces s Wit h preform : 6.5 4 pp

mne t emission s generate dproces s % reduction : 91.46 % 3 . Werne r

- ladde

r rai l

- Emissio

n facto r of 1.86 % of available HA

P fromal l emissio n source s

- Calculat

e emissio n facto r o f 1.37 % of available HA

P jus t fro mth e pultruder s

- Derived using preform , but no t independen

t o f othe r P 2 technique s an

dcompany' s proprietar y pultrusion process . P2 include s lo w monome r resins , minimizin

g dimension s of

wet ou t area , minimizin

g ai r flo w ove r wet are a(approximatel

y 2 5 fee t per minute) , controlling temperature s t o minimize monome r vapors , etc . 4 . Creative Pultrusion s 

### 1 

# 2 .P. 4

- 199 4 tes t

generate da

memissio n facto r

o f 1.9 % o f availabl e styren e

- Pultrusio n machin e configuration s a s follows :

- 5 wit h direc t di e

- several wit

h prefor minjectio n

- severa l wit h air flo w management

o f bath area s Tes t scenari o representativ e o f norma l operation s

- Previou s test s indicate dhigher emission s (aroun d 4 t o 5% ) bu t ma y understat e emission s a s atota l enclosur e wa s no t utilized . Change s betwee n thes e earlier test s an dth e 199 4 tes t

include d reducin g siz e ofresi n bath s an d we t area s an d th e us e ofresi n injectio n wher e feasibl e Sinc e 199 4 test , no w us e (1 ) air curtain s t o reduc e ai

r flo w aroun d we t

are at o 1 5 feet

pe r minute , (2 ) cover s o n resi n baths , (3 ) pre-for minjection , and (4 ) direc t di e injection .



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