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# OAR Box 

# 1790 Prepped by Keeia Richards



### Document

Number: 

# 205 ) ll-E- 1

Docket Number: 

# A-90-3 7

Printed 10/31/200812:43:16

PM Sheet 205of 250200*39d dM9 0 98 8 21 8 P. 2

## ATI N I'M ) .STATE S ENvTRCMffifclia L H»5J133LZL , i.C* f AGEtC Y PJBSTO N V

CftTE : 

# MA R17199 2 SUBJECT : Maetiis g wit h tli e 3

KCompan y t o Discus s a n Emission s ca p Proposa l PfiCH : Willia m L . MacDowell , Chie f •//|L/3(

U I tf4

r

### «$\*.s*Q0 Regulatio n Developr^ tSectio n KW**^' ^ Ai rEnforcement.Branc

h TO : Pile s

O n.Marc

h6 , 1992 , representative s o f th e United State s Environmenta l Protection.agenc

y (U.S . EPA ) me t wit hi^presentative s o f th e 3 M compan y (3M ) an d th e Minnesot a PollutionContro l Agency (MPCA ) i nChicago . Th e purpo.se o f thi s meeting wa s t o provid e 3 H wit ha nopportunit y t o presen t it s proposa l t o us e a facility-wid e pmisslon s ca p o nvolatil e organi c compoun d (VOC ) emission s a t th e St * Pau l Tap e Manufaxirturin g .Divisio

nplant , and t o answe r any question s U.S . EP A

ha d i nregard t o th e proposal . Th e followin g provide s a suwnar y o f th e majo r topic s discussed a t thi s meetix*? .
gourc e focKqround
Th e St . Pau l Tap e ftonufacturin g Divisionplant , located abou t 3 mile s fro m 3M* s researc hfacility , i s 3M* s origina l tap e plant . Th e p.lan t now use s 1 7 o f th e origina l 2 1 oven s t o produc e approximatel y 40 0 differen t type s o f specialt y

tapes , usuall y

i nth e highperformanc e field . I n199 0 tw o tih^wiw

i oxidizer s wer e installe d voluntaril y

a s par t o f 3M' s pollutionpreventionPlu s Program . Th e exhaus t fro m 1 6 o f th e oven s g o t o on e larg e oxidizer , an dth e othe r oxidize r i s fo r on e uniqu e oven . 3 M estimate s th e captur e efficiency t o b e 6 8 percent . Ove r th e nex t five year s 3 M intend s t o maJc

e .several modification s a t thi s facility . Thes e ar e al l renewa l an d proces s improvemen t project s an d wil l b e modification s t o existin g equipment . I f th e traditiona l method o f permittin g wer e use d fo r thes e modifications , 3 M estimate s tha t i t woul d tak e 3 t o 8 permi t applications . Proposa l
3 M i s pixjposixa j t o establis ha nemission s limi t o f 450 0 tons/yea r o nVO C emisSaion

s frc m thi s facility , whic hi s substantiall y lowe r tha

nit s potentia l t o emi t (65,00 0 tons/year ) an d it s actua l emission s prio r t o contro l (10,60 0 tons/year , 1988-1989) . Thi s emission s cap woul d requir e th e continuou s us e o f th e therma l oxidizer s installed a s par t o f 3M' s Pollution PreventionPlu s Progra m and i s approximatel y equa l t o emission s fro m th e facilit y

afte r installatio

no f th e therma l oxidizer s (445 3 tons/year , 1991) . I naddition , a nemission s cap woul d requir e th e installationan d operationo f anextensive eadssion s trackin g syste m whic h.include

s al l equipnen t a t the facility . 3 M

see s th e followin

g benefit s fro

m thi s approac ht o permitting :^^^^ ^

_ ___.

___._.._

_P. 3 £0 - d IblO l

1 . Provide s a permi t fo r th e entir e facility . 2 . Require s operatio no f th e therma l oxidizer s t o mee t limit . 3 . Provide s a ca po nanission s whe ncurren t regulation s woul dallow substantia l increase s throughnetting . 4 . Eliminate s Preventio no f Significan t Deterioratio n(PSD ) permittin g concern s (definitiono f modification , tim e fo r permi t review , etc.) . 5 . Eliminate s permi t modification s unles s 3 M wishe s t o increas e th e ca pa t a late r date . 6 . Provide s a nextensiv e on i reigns trackin g syste m fo r th e entir e facility . 7 . Reduce s resourc e demandfo r 3H , MPCA , an dU.S . EPA . 3 M ha s propose dthre e option s fo r permittin g futur e modification s t o th e source . Thes e option s .ar e a s follows : 1 . 4 0 CE R52.21(b ) (21 ) (ii ) require s th e establishmen t o f a ••representative " actua l baseline , usuall y th e two year s whic h preced e th e dat e o f th e change ; however , thi s definitio nals o provide s tha t "th e Administrato r shal l allo w th e us e o f a differen t tim e perio dupo na determinatio ntha t i t i s mor e representativ e o f norma l sourc e operation. " 3 H want s t o se t it s actua l eminsicna S equa l t o 450 0 tons/yea r VO C fo r th e lif e o f th e permit . Thi s numbe r i s lowe r tha nth e tw o yea r averag e woul db e fo r a modificatio napplie dfo r a t thi s time . <• ' 3 M woul dals o lik e t o se t a ca po nfutur e emission s fo r th e sourc e a t 450 0 tons/year . Therefore , actua l emission s woul dequa l potentia l emission s fro m th e facilit y

afte r aa y

modification , 2 . Th e secondoptio ni s simila r t o th e first , bu t use s allowabl e emissions . 4 0 er a 52.21(b ) (21 ) (iii ) .states "th e Administrato r ma y presume tha t source-specifi c allowabl e emission s fo r th e uni t ar e equivalen t t o th e actua l emission s o f th e unit. " Therefor e actua l woul dequa l allowabl e emissions , 450 0 tons/year , andth e potentia l woul db e establishe dthroug hth e <mission 3 ca po f 450 0 tons/year . Unde r thes e option s 3 M coul dmak e .sn

y modificatio nt o th e sourc e i t wante da s long a s emission s di dno t excee d450 0 tons/year . 3 . Thi s optio nwoul dse t th e contemporaneou s tim e period , andus e th e traditiona l nettin g ou t proces s ove r a longe r perio do f time . Thi s woul dallow

3 H t o us e th e emission s decrease s fro m th e installatio no f th e therma l oxidize r fo r tw o year s longe r tha n woul dnormall y

b e allowed , z naddition , 3 H want s a streamline d metho do f reviewin g modification s an d nettin g calculation s t o decreas e th e time fo r review . Fo r th e 450 0 ton/yea r cap , 3 M woul db e willin g t o us e a 36 5 da y rollin g average . Regio nV

wil l discus s thes e option s wit hHeadquarter s t o determin e i f any ar e feasible , o r i f ther e i s som a wa y t o alta r thes e option s t o mak e the m suitabl e t o HPCA , U.S . EPA , .an d3M .