p. 1



# OAR Box 1781 Prepped by Ollie Stewart



### Document

Number: 

# 10)11-1- 2 Docket Number: 

# A-90-3 7

Printed 10/29/2008 10:46:18 AM Sheet 10 of 142P. 2

Or
. Rober t P
. Sringe r Saf t Vic e President 

### A- °l0-3-]

February18 , 199 2 •••' " ;.-,-. . ___
'"• ^ I'M. :-^'^*"ivCri Commissione r Charle s W . William s Minnesot a Pollutio n Contro l Agenc y 52 0 Lafayett e Road , Sixt h Floo r St . Paul , Minnesot a 5515 5 Dea r Commissione r Williams : O n January31 , 1992 , 3 M me t wit h you r staf f t o discus s ou r propose d "Source-wide " Ai r Emissio n Reductio n Permi t fo r th e St . Pau l Tap e Manufacturin g Divisio n plant
. 3 M ha s include d agenc yinpu t fromtha t meetin g i n th e attache d Innovativ e "Source-wide " Ai r Emissio n Reductio n Permittin g Proposa l tha t i s bein g submitte d fo r consideratio n b yyo u an

d you r staff
. Lis a Thorvi g ha s alread yschedule d a meetin g wit h U.S . EP ARegio n V

i n Chicag o fo r Marc h 6 , 1992 , t o discus s th e proposa l i n detail
. B ycop yo f thi s letter , I a m als o submittin g th e proposa l t o th e U.S . EP ARegio n V office s i n Chicag o i n orde r t o conserv e time an d t o provid e the mwit h a n advanc e cop yt o revie wbefor e th e meeting
. 3 M i s committe d t o reducing VO C emission s fro mou r St . Pau l Tap e Manufacturin g Divisio n plan t an d i s looking forwar d t o workin g wit h th e MPC Aan d U.S . EPA t o develo p thi s innovativ e proposal
. I f yo u hav e an

yquestion s o r suggestion s regarding thes e issues , pleas e contac t me a t 778-433 1 a t you r convenience
. Sincerely ,

Enclosur e
cc : Georg e Czernia k - U.S . EPA Davi d Ke e - U.S . EP A JeffryMuffa t - 3 M Michae l Santor o - 3 M Lis a Thorvi g - MPC

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# 3 M

INNOVATIV E "SOURCE -WIDE " AI R EMISSIO NREDUCTIO N PERMITTIN G PROPOS-AI i FO R TH E 3 M ST . PAUL , M N T.AP E MANUFACTURIN G DIVISIO NPLAN T

SUMMAR Y O F PROPOSA L 3 M i s proposin g tha t th e Tap e Manufacturing Divisio n plan t locate d i n St . Paul , MN , b e issue d a singl e ai r emissio n permi t fo r th e entir e plan t whic h woul d includ e al l stationaryan d fugitiv e source s o f VO C emission s an d woul d reduc e actual , plan t wid e VO C emission s t o level s wel l belo wrecent , actua l emissio n levels
. Specifically , 3 M i s proposing t o commi t t o a cap on VO C emission s fromth e entir e stationar ysourc e tha t woul d b e significantl yles s tha n stat e o r federa l regulation s require
. Complianc e wit h thi s cap wil l b e accomplishe d through th e us e o f tw o new , voluntarily

installe d therma l oxidizer s constructe d a s par t o f 3M' s Pollutio n Preventio n Plu s Program . I n consideratio n o f thi s enforceabl e commitment , 3 M request s regulatoryan d permittin g flexibilit yi n th e handlin g o f futur e proces s o r productivit yimprovement s mad e o n equipmen t o r operations'a t th e source . I f th e compan

ydoe s no t implemen t th e proposal , th e PS D rule s woul d allo wactua l emission s a t th e plan t t o ris e significantl ya s a resul t o f norma l operations , modification s o r bot h ove r th e nex t fiv e year s withou t triggering PS D review
. Th e proposa l a s outline d belo wprovide s fo r a federall yenforceabl e "cap " on actua l emission s fo r th e plan t a t les s tha n hal f tha t leve l an d addresse s th e PS D ramification s o f improvement s mad e a t th e sourc e withi n th e framewor k o f th e existing PS D rules
. Anew , innovative , extensiv e emission s monitoring an d reporting systemdescribe d belo wwoul d b e implemente d a s a resul t o f th e issuanc e o f a source-wid e ai r emissio n permit
. Thi s systemwoul d b e se t u

p t o trac k emission s o n a dail ybasi s throughou t th e entir e sourc e an

d t o ensur e tha t th e emission s cap i s no t exceede d i n an ygive n year . -"PA_

£00-"39d d C I '-S I 26
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Page 2
Thi s proposa l als o addresse s th e issu e o f th e federa l enforceability

o f th e proposal , i

nterm s o f bot hregulator y enforceability

an dpractica l enforceability . 3 M i s considerin

g variou s option s t o establis hthe enforceability o f th e permi t cap , includin

g emissio

naverage s ove r variou s tim e period s or permi t condition s requirin g the operatio

no f th e therma l oxidize r (includin

g breakdown/malfunctio ncontingencies) . 3M i s solicitin

g constructiv

e agenc y comment s o

nho w thes e complianc e mechanisms , or combination s o f them , coul dbes t mee t agency an d3 M goals ' ina workabl e manner . Thi s proposa l accomplishe s th e actua l emissio

nreductio

ngoal s o f th e MPCA , U.S.EPA , an d3M whil e providin

g significant permanent , actua l environmenta l benefits . I t provide s far mor e absolut e an d timely actua l emissio

nreduction s tha

nwoul dbe achieve

db y the "netting-out " o f an y individua l change s throug hth e traditiona l PS D revie

w process . Th

e source-wide ca

peliminate s th

e time consumin

g agenc y revie w proces s an

d"netting-out " proces s an d free s agency

resource s t o addres s other , mor e pressin g permittin

g issues . Th

e ca pprovide s 3M

th e security

tha t i t ma

y procee dwith change s at th

e plan t without fear o f the uncertai nPS D definition s an dothe r complicate

dPS D provisions . Finally , a source-wid e permi t with,a

nemission s ca

pwoul dprovide for "federally enforceable " limit s t o ensur e complianc e whil e allowin g 3M th e flexibilit

y t o determin

e ho w bes t t o operat e th e plan t withi nth

e confine s o f th

e VO C emissio

nlimit s i

nth e permit . I . BACKGROUN D 3 M operate s a Tap

e Manufacturin

g Divisio

nplan t locate

da t 90 0 Bus hAvenue i n St . Paul , MN . Th e 2000 + differen t finishe dan d semi-finishe

dproduct s manufacturedat thi s plan t ar e predominantl y

classifie

da s pressur e sensitiv e tape an

d labe l products . The

y ar e primaril y

manufacturedb

y coatin g variou s solution s containing proprietar y solid s an

d solvent s (VOCs ) ont o a substrat e o f pape r o r fil m (web) , Afte r th e we b i s coate d i t goe s through a serie s o f oven s t o dr yth e product s b

yevaporating th e VOCs . (Th

e equipmen t use d t o coa t an d dr ythes e product s i s referre d t o a s a coater. ) Thi s evaporatio n proces s i s th e majo r source o f VO

C emission s t o th

e atmosphere . Th

e storage , piping , mixing , an

dmiscellaneou s operation s make u pthe re.mainde

r o f VO C emission s t o th

e atmosphere . Al l o f th e activitie s o f th

e St . Pau l Tap e Plan t belon g t o th e same "Majo r Group " SI C Cod e (i.e. , 2-digi t Cod e Numbe r 2 6 entitle d Pape r and Allie d Products) , al l ar e locate d o n on e contiguou s 3 M propert yan d al l ar e unde r the contro l o f 3M
. Theyar e therefor e al l on e "stationar ysource " fo r PS D purpose s (see Sectio n 52.21(b ) (S) , (6) )
.e__

900"39« d fr I : 2 1 26
. 2
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.

Pag e 3
Th e are a o f St . Paul , MN , inwhichth e plant i s locate

di s designatedb

y U.S.EP A a s attainmen t fo

r the NAAQ S fo

r ozone and , therefore , modification s t o the sourc e woul dfal l unde r the PS D requirement s o f the U.S.EPA . Ove r th e las t severa l years , 3 M ha s voluntaril y

installe

dcontro l equipment o

nal l o f the coater s at th e St . Pau l plant . The lates t o f thes e contro l programs wa s the installatio no f tw o therma l oxidizer s t o contro l th e VO C emission s fro m 1 7 o f th

e coater s plu s som e miscellaneou s equipment . Throug hth e installatio

no f thes e control s th

e 3 M Tape Manufacturing Divisio nplant i

nSt . Pau l ha s reduce dit s actua l emission s significantly . II . MANUFACTURIN GCHftNgB S I nadditio

nt o thei r own , th e Tape Manufacturin g Divisio

nplant coat s product s for severa l differen t division s withi n3M . Mos t o f th e product s ar e lower volume , specia l applicatio nproduct s manufacturedo

nexisting , long-establishedcoaters . I norde r t o remai ncompetitiv

e an dviabl e inth

e specialty

tap e markets , th

e Division' s strategi c goal s wil l requir e i t t o continuall y upgrade an dmoderniz e coatin g an dmixin g equipment over th e nex t 1- 5 years . Thes e activitie s wil l primaril y involv e change s or upgrade s o f equipmen t t o replac e older , out-mode d equipment an

d controls , t o improv e produc t quality

an dt o reduc e uni t costs . To th e extent thes e continuou s improvement s are not made i na timel y manner , the economi c viabilit y an dmanufacturin

g reliabilit

y o f th e plant i s a concern . Specifically , i t i s anticipatedtha t th e Divisio

nwil l needt o replac e som

e olde r or obsolet e equipment , instal l newe r technolog y t o improv e produc t quality , consolidat e productio n o n some coater s t o improv e efficienc yand reduc e waste , an d provid e bette r an d mor e timel y

servic e t o customers . A s par t o f thes e activities , som e o f th e existin g coater s wil l b e remove d t o mak e roo mfo r othe r productivit yimprovements
. A s we understand th e comple x PS D rules , man yo f thes e chance s potentiall ycoul d involv e time-consumin g analysi s b yth e M?Ca^ , U.S.EPA , an

d 3 M t o determin e th e applicabilit yo f th e PS D rules
. Thes e rule s appl yi f th e change s tha t ar e contemplate d constitut e a "majo r modification, " define d i n genera l term s a s a physica l o r operationa l chang e tha t result s i n a n increas e i n emissions
.P. 6

iO S ' 39d

d S I :2 ! 26
. ayi-
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Pag e 4

A determinatio

no f whethe r a

nincreas e i

nemission s ha s occurred leads one throug

ha comple

xformul a where , i

ngenera l terms , actua l emission s befor e a change ar e compare dt o potentia l emission s followin

g the change . Importantly , however , th e regulation s allo

w a compan

y t o "net-out " o f th e PS D requirement s i f reduction s i nemission s occu r a t the plan

t whichwil l offse t an y increases . I f necessary , th e St . Pau l Tape plant coul d"net out " o f the PS D requirements . A determinatio

no f whethe r a physica l chang e ha s occurredrequire s a workin

g understandin

g o f a serie s o f PS D exemption s an d definitions . T o determine whethe r a change qualifie s a s "routin e repai r an

dmaintenance, " a s a "chang e i nra w materials, " or a s a "productio

nrat e increase " i s a challenge for th e regulated communit

y an dfor th

e regulator

y agencies . Fo

r th e type s o f change s contemplatedb y 3M ove r th

e next severa l years , i t i s simply unclea r whe

nan dwhethe r th

e PS D requirement s apply . Thi s lack o f clarity lead s t o on

e o f tw o nonproductiv

e results : 1 . 3M mus t interpre t th

e regulation s o

nit s ow

n(a s mos t companie s do) , give nth e limite

dguidanc e providedo nthe subject , an

dmake a determinatio na s t o whethe r a modificationha s occurred . Shoul da determinatio nbe made tha t a modificatio

nha s not occurred , 3 M woul dnot gai nmuc h assuranc e tha t i t wil l no t be th e subjec t o f som

e future agency audi t or othe r agenc yaction , o r 2
. 3M mus t see

k confirmatio

nfro m th e agencie s o

never y change , resultin

g i nsignificant increase s i nth e workloa

do f th e MPCA' s an

dU.S.EPA' s permittin g staf f an

dinevitabl e projec t delay s whic hreduc e 3M' s competitiv e edge . The lengtho f tim

e presentl y

require

dt o obtai na PS D permi t or determinatio

ni s typicall y

4-1 2 month s o r longer
. Thi s tim e frame present s a sever e constrain t i n meetin g ou r busines s objectives , especiall yi n today' s highl ycompetitiv e an d rapidl ychanging world
. Fo r example , durin g th e pas t yea r 3 M ha s submitte d numerou s permi t application s wit h th e MPCAand , i n fact , currentl y ha s 1 3 permi t application s o n file
. Thes e application s includ e modification s t o existin g building s and/o r processe s a s wel l a s newsources . Th e averag e tim e t o proces s thes e permi t application s ha s increasedsignificantl yi n recen t year s an d upcoming state/federa l requirement s wil l onl yincreas e tha t averag e because , i n part , permit s wil l be require d fo r previousl y unregulate d source s and mor e an d mor e informatio n wil l b e recuire d i n eac h application
._7_

6O0*39d d 9 1 : S I 26 . 2 . ddl-J . .

Pag e 5

III . SPEPTFTr . PROPQ9AT . Th e issuanc e o f a source-wide permi t woul daddres s th e timin g concern s o f 3 M

an dresourc e concern s o f th e MPC A an dU.S.EP

A i n th e contex t o f a permi t tha t benefit s th e environment , an

dtha t i s enforceabl e an

dmanageable . O

nou r part , 3 M

i s preparedt o inves t th e resource s t o gai nth e flexibility

o f a caprathe r tha nspen d excessiv

e tim e o nrepetitive , comple xpermittin

g exercises . Thi s innovativ

e proposa l onl y

addresse s th

e VO C emission s fro m th e source . I t i s 3M' s intent tha t the othe r emission s suc ha s particulate , SOx , an dNO xwoul dbe governe

db y existin

g MPC A regulations . O f course , i f an y o f th e modification s contemplate d trigger s Ne

w Sourc e Performanc e Standard s (NSPS ) thos e source s woul dhav

e t o compl y

withth

e applicabl e NSP S requirements . 3M woul d be willin

g t o accept a permi t limi t for th e entir e Tape Manufacturin

g Divisio

nplant set at 450 0 ton s o f VOC emission s pe r year . Thi s permi t limi t woul dinclude fugitiv e emission s a s wel l a s stack emission s fro m th e facility . I

ntha t the potentia l (uncontrolled ) VOC emission s at the facilit y ar e estimateda

t 65,00 0 ton s annually , an dactua l emission s a s recentl y a s 198 8 wer e 935 0 tons , thi s ca prepresent s a significan t reductio ni n potentia l emissions , allowabl e emissions , an dactua l emissions . Basedo ncurrent an

dfutur e marke t demands , th e plant ca

nmee t a 450 0 to npe r yea r ca

p i f th e permi t contain s sufficient flexibility . Th e remainde r o f thi s mem o discusse s th

e variou s aspect s o f th e proposa l i

ndetail . PS P ISSUE S A s explained above , i f th e compan

y doe s not implement thi s proposal , th

e PS D rule s currentl y woul dallo

w actua l emission s a t th e plan t t o ris e significantl ya s a resul t o f norma l operations , modification s o r bot h ove r th e nex t five year s withou t triggerin g PS D review
. Usin g th e traditiona l "netting-out " concept , 3 M coul d restric t emission s through us e o f the therma l oxidize r an d us e the reduction s t o offse t increase s resulting fro m modifications
. I t i s exactl ythi s step-by-step , project-by-projec t approac h tha t 3M i s seekin

g t o avoi dwithth e source-wid e permi t fo r th e St . Pau l Tap e plant
. I n consideratio n o f taking a 450 0 to n pe r yea r limi t a t thi s time , 3 M propose s permi t languag e whic h resolve s al l PS D issue s fo r th e futur e a s lon

g a s th e 450 0 to n limit , an d othe r permi t restriction s deeme d appropriat e t o mak e th e permi t enforceable , ar e satisfied
. Fo r PS D purposes , th e permi t woul d provid e tha tP. 8

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Pag e 6
th e actua l emissions , allowabl e emissions , an dpotentia l emission s b e set at 450 0 ton s pe r year . 3 M coul d the

nmake change s to " th e coater s unde r a source-wide permi t a s lon g a s tota l emission s di d no t exceed th

e emission s cap . I ntha t there woul db e n o emission s increas e whencomparin g actua l t o potentia l emissions , no PS D issue s woul dbe presented . Thi s resul t ca nb e accomplishe

d throug hus e o f severa l current PS D regulations . Sectio n52.21(b ) (21)(ii ) require s th e establishmen t o f a representativ

e actua l baseline for emissions . The propose dpermi t woul dcontai nlanguage establishin g the 1991-199 2 emission s (450 0 ton s pe r year ) a s th e representativ

e actua l baseline fo r calculatin

g PS D applicability for th e future . B

y establishin

g th e 450 0 tonlimi t a s actua l emissions , representativ e actua l emission s woul dalways equa l potentia l emission s (se t at 450 0 ton s b y th e permit ) an

dn o PS D issue s woul db e raisedb

y change s occurrin

g at the plant . Thi s approachwoul dallo w change s t o tak

e plac- e at th e facility

wit hn o agency

involvement a s lon g a s the permi t caplimitatio ni s met . Additionally , Sectio n52.21(b)(21)(iii ) allow s fo r a nagreement tha t th e plant-wide 450 0 to nlimi t represent s bot hth e "source specifi c allowabl e emissions " for al l plan t unit s an

dactua l emission s fo

r al l plant units . Sucha nagreemen t woul d agai n establis h actua l emission s a t th e 450 0 to n pe r yea r leve l an d n o PS D issue s woul dbe raisedb y change s occurrin

g at th e plant (agai nassumin

g complianc e withthe 450 0 to nlimit) . Ther e ar e identica l provision s inU.S.EPA' s regulation s establishin

g stat e requirement s for PS D (compar e Sectio n 51.166(b)(21)(ii ) withSectio n52.21(b)(21)(ii ) an d compare Sectio

n51.166(b)(21)(iii ) withSectio n 52.21(b ) (21 ) (iii))
. I naddition , Sectio n 51.166(b ) (3)(ii ) allow s th e MPCAt o specif ya reasonabl e perio di n th e permi t during whic h increase s an

d decrease s coul d b e use d t o calculat e "ne t emissions " change s a t th e plant
. Th e propose d permi t woul d specif ytha t al l increase s an

d decrease s afte r 198 8 woul d coun t fo r PS D purposes . Thi s woul d avoi d th e "moving target " aspec t o f th e PS D rules
. Thes e and perhap s othe r PS D provision s offe r th e opportunit yt o establis h th e 450 0 to n limi t i n a permi t whic h provide s th e timelines s an

d flexibilit yrequeste d b y3M , whic h conserve s th e resource s o f th e agencie s involved , an d whic h represent s rea l environmenta l benefit
.PJ L '0l0'39d d _\ :2 i 26
. 2 .ddl-J,
.

Pag e 7
TNNOVATTV E EMTSSTON S TRACKTNC . AND REPORTIN G SYSTE M I n orde r t o trac k th e emission s and repor t the m t o th e MPCA , 3 M i s proposin g t o establis h a flexibl e compute r base d VO C emission s reportin g syste m

tha t wil l integrat e wit h ou r existing productio n reportin g system s and allo wu s t o calculat e an d documen t dail y emission s fromou r source . Emissio n calculation s wil l b e base d o n dail yproductio n reporte d volume s and usage s fo r eac h piec e o f productio n equipmen t i n ou r facility
. Th e St . Pau l Tap e Plan t i s a specialt y(as oppose d t o a commodity ) produce r o f adhesiv e tap e products
. Th e natur e o f th e specialt y tap e busines s necessitate s tha t 3 M produc e a large , constantl y changin g numbe r o f differen t type s o f finishe d product s an d a s a resul t a n eve n large r numbe r o f intermediat e component s i n th e manufactur e o f ou r produc t lines
. Curren t VO C emission s reporting fo r th e facilit yi s don e o n a n annua l basi s usin g a mass-balanc e calculatio n methodology
. Thi s methodologyrelie s o n th e determinatio n o f annua l usag e level s o f component s containin g VOC s through a n accounting o f reporte d receipts , shipments , and inventorylevels
. Du e t o th e complexit y o f ou r operation s thes e calculation s requir e a minimu m o f one perso n mont h t o performand ar e complete d o n a n annua l basis
. I n conjunctio n wit h th e issuanc e o f a Source-Wid e Ai r Emissio n Reductio n Permi t fo r th e St , Pau l Tap e Plant , investmen t i n th e developmen t o f th e propose d Emission s Tracking and Reporting Syste mwil l significantl yimprove;curren t VO C emission s reporting by :

* Calculatin g emission s o n a dail yrathe r tha n annua l basi s

* Allowin g th e trackin g o f emission s t o a n individua l productio n machin e

* Establishin g th e capabilit yt o predic t dail yemissio n level s base d o n productio n plan s

* Simplifyin g MPC AVerificatio n an d Audi t Processe s Figur e 1 on th e following pag e depict s th e flo wo f logi c propose d fo r th e VO C Emission s Reportin g System . Anarrativ e descriptio n o n ho w3 M woul d calculat e dail yemission s fo r th e facilit yusin g th e propose d systemfollows :P.1 0

U t V 39d d 8 1=2 1 26

. 2 a W W 

# Propose d Solven t Emission s Reportin g System LOGI C F

i /sOLVEN l / LIS T

-

• r 

### LO

W

^ • 

### /PROOUCT \ /STRUCTURE5 \



### WHER E USE D [LIS TO F PRODUCTS TWA T US E TH E SOLVENTS ]

' • 

# 1 (DAT

A TOTA L SOLVEN TUSAG E B YMACHIN E

' f

" ' ^

1 / /

Ui>ALi z \ -/B YMACHINE \ AVAILABL E 24-36hr s ArTE R PRODUCTION ]

-

(AS : EMISSIO N RELATIONSHIP S

(BASE D o n ENGINEERIN G PRINCIPALS ) / rviiN i x /FUGITIVE X / SOURCE S \

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### DAIL YEMISSIO N RPT G X)VERY/OXIDATIO N PARAMETER S / \ / CONTRO L \ 

### /EFFICIENCY X

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.

Pag e 9

LOGI C FLOW : Pleas e refe r t o Figur e 1
. 1 ) Th e proces s begin s wit h a databas e tha t provide s a lis t o f VO C containin g materials
. Th e Solven t List
. 2 ) Th e progra m

wil l searc h ove r 200 0 existin g an d ne welectroni c recip e file s (th e PRODUC T STRUCTURES , se e Figur e 2 ) t o determin e th e intermediat e an d fina l product s tha t contai n an yleve l o f th e VO C containin g materials
. Th e objectiv e o f thi s proces s i s t o creat e a lis t o f potentia l product s tha t ar e mad e u p o f th e VO C containin g material s (th e WHER E USED , se e Figur e 3)
. PRODUC T STRnf!«PtmE S 1 ) TAP E PRODUC T A

BACKIN G B ADHESIV E C 2 ) ADHESIV E C

RA W MATERIA L D RA W MATERIA L E SOLVEN T F 1. 0

0. 5

0. 3 0. 4 0. 3 fffigR S USE D

SOLVEN T F * ADHESIV E C * TAP E PRODUC T A Fig . 3 : Ex . Wher e Use d Wher e use d lis t indicat* * solven t F i s a componen t i nAdhesive C an d Tape Produc t A

thruAdhesive C Fig . Ex . Produc t Structure s

3 ) Th e WHER E USE D lis t o f potentia l product s containin g VO C material s i s the n use d t o selec t dail yproductio n record s fro mexistin g productio n reportin g system s (tha t hav e productio n dat a availabl e 24-3 6 hr s afte r th e actua l productio n day ) t o determin e th e amoun t o f solven t use d b y eac h piec e o f productio n equipmen t o n tha t day
. 4 ) T o determin e th e actua l VO C emission s fro meac h piec e o f productio n equipmen t th e usag e determine d i n ste p 3 abov e mus t b e relate d t o emission s generate d b yth e equipmen t tha t produce d th e product
. Thi s relationshi p -wil l b e determine d fro mtw o database s (th e EMISSIO NRELATIONSHIPS ) tha t wil l contai n emissio n parameter s for : 1 ) an yequipmen t connecte d t o a poin t sourc e emissio n stac k (POINT SOURCE) ; an d 2 ) al l othe r productio n equipmen t (FUGITIVE SOURCES)
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POIN T SOURC E emission s wil l b e calculate d assumin g 100 % evaporatio n o f th e solvent
. Thi s i s a conservativ e estimat e whic h assume s non e o f th e solvent(s ) remain s i n th e product
. Th e AP4 2 Emissio nParameter s wil l b e use d fo r th e FUGITIV E SOURCE S calculations
. (Initia l "certification " o f th e emissio n parameter s woul d hav e t o b e complete d by-3 M an d th e MPCA )
. A s periodi c testin g o f thes e parameter s i s performe d th e databas e wil l b e update d an d th e calculatio n result s wil l b e refine d an d "certified. " 5 ) T o determin e th e leve l o f VO C emission s actuall yreleased , th e tota l create d emission s calculate d i n th e precedin g ste p mus t b e reduce d b yan yrecover yand/o r destructio n o f th e capture d emissions
. Thes e calculation s woul d b e performe d o n a dail ybasi s throug h parameter s establishe d fo r th e captur e efficienc yo f th e emissio n collectio n system s an d destruction/recover yefficienc yo f th e contro l systems . 6 ) Th e fina l outpu t i s a dail ycalculatio n o f emission s generate d b yth e St . Pau l Tap e facility
. 3 M propose s t o retai n thes e dail yemissio n calculation s an d provid e th e MPC A wit h a quarterl yrepor t detailin g th e dail yemission s fo r eac h quarter . Acces s t o th e reportin g syste man d it s output s woul d b e provide d t o monitorin g agencie s o n a n audi t basi s fo r validatio n an d verification
. Develope d a s a mean s t o improv e emissio n trackin g an d reportin g unde r a Source-Wid e Ai r Emission s Reductio n Permi t fo r 3M* s St . Pau l Tap e Plant , th e propose d Emission s Trackin g an d Reportin g Syste m wil l significantl yimprov e existin g emission s reportin g fo r ou r stationar ysource .

f,OMPT,TANC E DEMONSTRATIO N AN D ENFORCEABILIT Y Complianc e demonstratio n i s practica l an d simpl e wit h th e emission s trackin g system . B yestablishin g a permi t ca p o f 450 0 - ton s pe r yea r o f VO C emissions , th e nee d (requirement ) t o operat e th e therma l oxidize r wheneve r th e coatin g equipmen t i s i n operatio n (excludin g breakdow n and/o r malfunctio n o f th e oxidize r system ) i s established
. Verificatio n tha t th e therma l oxidize r ha s bee n i n operatio n durin g coatin g ca n easil yb e accomplishe d b y viewin g th e stri p char t recorder s i n th e therma l oxidize r contro l room . An ydowntim e o f th e therma l oxidize r syste mdu e t o breakdow n o r malfunctio n o f equipmen t woul d b e reporte d t o th e i ^ MPCA . * " A/ ' * > ' J>P.1 3
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Shorter-termemissio n limit s suc h a s ton s per.quarte r o r ton s pe r month , coul d als o b e establishe d t o increas e assurance s of , complianc e wit h th e source-wide " cap o f 450 0 ton s pe r yea r provide d thes e shorter-termlimit s reflec t th e plant' s operatin g variability
. 3 M i s solicitin g constructiv e agenc ycomment s o n ho w thes e complianc e mechanism s shoul d b e structured
. Onc e th e emission s trackin g system , including th e dat a bases , ha s bee n "certified, " th e therma l oxidizer s destructio n efficienc yan d captur e efficienc ywoul d hav e t o b e verified
. 3 M i s proposin g t o varif yth e destructio n efficienc ythrough biennia l stac k tests , conducte d i n accordanc e wit h U.S.EPA/MPCArequirements
. Periodi c captur e efficienc ytestin g wil l als o b e don e t o verif yth e overal l contro l efficienc yo f th e systems . Whe n thi s ha s al l bee n completed , MPCAan d U.S.EPApersonne l can come int o th e sourc e and.compar e th e annua l emission s (an d an y othe r shorter-termemission s agree d to ) agains t thos e containe d i n th e Source-Wid e Ai r Emissio n Reductio n Permi t fo r eas yan d practica l enforcemen t o f th e permi t conditions
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