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# OAR Box 

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### Document

Number: 

# 47 ) l-C-2 3

Docket Number: 

# A-88-0 2

Printed 4/28/2008 2:34:13 PM

Sheet 47 of 349P. 2 

## A-88-0 2

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' " - PRO^ " UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y Offic e o fAi rQualit yPlannin g an d Standard s Researc h Triangl e Park , Nort h Carolin a 2771 1

;PS 5

Mr
. Ti m Mathew s Genera l Electri c Company 300 1 Wes t Radi o Driv e Florence , Sout hCarolin a 2950 1
Dea r Mr
. Mathews :
A s yo u ma yknow , th e Unite d State s Environmenta l Protectio n Agenc y (EPA ) i s considerin g addin g chromiumt o th e lis t o f hazardou s ai r pollutant s unde r Sectio n 11 2 o f th e Clea n Ai r Act , a s amended , Augus t 1977

. Apreliminar yassessmen t ha s identifie d 1 1 categorie s o f stationar y source s a s potentia l emitter s o f significan t quantitie s o f chromiu mt o th e atmosphere

. Include d amon g thes e sourc e categorie s i s chromiu m electro-plating

. Becaus e th e preliminar yassessmen t wa s base d o n limite d dat a an d availabl e information , especiall ywit hrespec t t o th e quantitie s an d form s o f chromium actuall yemitted , EP Aha s undertake n a progra mt o develo p additiona l backgroun d informatio n o n al l 1 1 sourc e categories

. Thi s informatio n wil l b e use d t o determin e th e nee d fo r standard s fo r eac hsourc e category
. W e ar e requestin g tha t Genera l Electri c Companyprovid e informatio n o n processes , emissio n levels , an d emissio n contro l fo r it s facilit yi n Florence , Sout hCarolina

. Th e specifi c informatio n requeste d i s itemize d i n Enclosur e 1

. Thi s information , alon g wit hsimila r informatio n fro m othe r companies , wil l b e use d t o asses s th e significanc e o f chromiu m emission s fro mth e chromiumelectro-platin g industry

. W e ar e sensitiv e t o th e amoun t o f labo r require d t o respon d t o thi s reques t an d hav e trie d t o limi t i t t o informatio n necessar yt o defin e th e curren t statu s o f emissio n control

. Also , yo u ma ymerel yrespon d "no t applicable " t o question s tha t d o no t appl yt o you r plant

. Th e authorit yfo r EPA' s informatio n gatherin g i s include d i n Sectio n 11 4 o f th e Clea n Ai r Act , a s amende d (4 2 U.S.C
. 7414)

. Enclosur e 2 contain s a summar yo f thi s authority

. I f yo u believ e tha t disclosur e o f specifi c piece s o f informatio n yo u submi t woul d revea l a trad e secret , yo u shoul d clearl yidentif ysuc hpiece s o f information

. Pleas e d o no t labe l a n entir e respons e "confidential " i f onl ycertai n portion s consis t o f trad e secre t information

. Refe r t o Enclosur e 2 fo r th e informatio n EPAma yrequire , a t a late r time , t o suppor t you r

/ •P. 3

confidentialit y

claims . An

y informatio ndetermine dt o constitut e a trad e secre t wil l be protecte dunde r 1 8 U.S.C . 1905 . I f n o clai m o f confidentialit y

accompanie s th e informatio nwhe ni t i s receive dby EPA , i t ma y b e mad e availabl e t o th e publi c b y EPA withou t furthe r notic e (4 0 CF RPar t 2.203 , Septembe r 1 , 1976) . Al l emissio ndata , however , wil l b e availabl e t o th e public . I t wil l simplif y handlin g procedure s i f yo uwoul dseparat e specifi c item s claime dt o b e confidentia l fro m th e balanc e o f th e data . Th e EPA ha s contracte dwit hMidwes t Researc hInstitut e (MRI ) (Contrac t No . 68-02-3817 ) t o obtai ninformatio npertinen t t o th e industry . Thus , a s note di nEnclosur e 3 , MR I ha s bee ndesignate db y EP A a s an authorize drepresentativ e o f th e Agency . Therefore , MR I ha s th e right s discusse dabov e an

di nEnclosur e 2 . A s a designate drepresentativ e o f th e Agency , MR I i s subjec t t o th e provision s o f 4 2 U.S.C . 7414(c) , respectin g confidentialit y o f method s o r processe s entitle dt o protectio na s trad e secrets . Enclosur e 4 summarize s Agenc y an dEmissio nStandard s an dEngineerin g Divisio npolicie s andprocedure s fo r handlin g privilege dinformatio nand describe s EPA

contracto r commitment s an dprocedure s fo r us e o f confidentia l materials . I t i s EPA' s polic y tha t complianc e b

y anauthorize drepresenta tiv e wit hth e requirement s detaile di nEnclosur e 4 provide s sufficien t protectio nfo r th e right s o f submitter s o f privileged-information . I f yo uhav e an

y question s regardin g thi s request o r ar e unabl e t o provid e me wit hresponse s t o th e enclose dquestion s b y Jul y 8 , 1985 , pleas e contac t Mr . A l Vervaer t o r Mr . Jame s Crowder , o f th e Industria l Studie s Branch , a t (919 ) 541-5601 . Sincerely ,

Jac kR . Farme r Directo r Emissio nStandard s an d Engineerin g Divisio n 4 Enclosure s



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Enclosur e 1 NO TSUBJEC TT C f ; "•ENTSQfa * SECTIO N 3507
. Pr'"" ' '•' AC TOFWW
.

INFORMATIO

N REQUES T FOR

M
CHROMIU M PLATING—CAPTIV E PLATE R

Pleas e provid e answer s t o th e followin g questions . Attac hdrawing s whereve r appropriate . I f yo ubeliev e tha t an y o f th e informatio n requeste d1 s confidential , pleas e submi t thi s Informatio no na separat e shee t marke d"CONFIDENTIAL. "
Name an daddres s o f plant :



### Name an dtitl e o f respondent :

Telephon e numbe r o f respondent : Date :
A . Genera l
1 . Plan t locatio n(UTM coordinate s o r latitude/longitude )

2 . Ag e o f plant : 3 . Hour s o f operation : h/ dd/w kwk/y r 4 . Processe s performe da t th e plant :

5 . Type s o f product s o r items tha t receiv e chromiu m plate :

6 . No . o f chromiu

m platin g tank s at the plant :



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B . Chromiu

m Plating Operatio n Fo r eac hchromiu

m platin g tank , pleas e provid e th e followin g informatio n(dt e typica l value s rathe r thanrange s fo r operating an d productio nparameters) : 1 . Tankidentificatio n 2 . Manufacture r 3 . Dat e installe d
4 . Typ e o f plating (e.g. , hard , decorative , etching , etc. )
5 . Automati c o r manua l di p 6 . Dimension s o f tank ( 1 xw xd) , f t 7 . Tankcapacity , ga l 8 . Freeboar d(i.e. , distanc e fro

m surfac e o f solutio nt o to po f tank) , 1n . 9 . Substrat e plate d(e.g. , plastic , brass , etc. ) 10 . Concentratio no f chromi c add , oz/ga l 11

. Chromi cad d usage , lb/m o 12 . Catalyst(s ) use d
13 . Concentratio no f catayst(s) , oz/ga l 14 . Temperatur e o f platin g solution , ° F 15 . Operatin g voltage , volt s 16 . Operatin g current , ampere s 17 . Curren t density , amperes/f t plate d 

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18 . Surfac e are a plated , f t /rac k 19 . Thicknes s o f chromiu m deposited , in . 20 . Platin g time , m1n/rac k
21 . Hour s o f operation , h/d ; d/wk ; wk/y r 22 . Percen t o f operatin g time electrode s ar e energize d 23 . Productio nrate , ft 2 plated/y r 24 . Tota l ampere-hour s fo r a typica l yea r C . Emissio nContro l System
Fo r th e emissio ncontro l system use do neac hchromiu m platin g tank , pleas e provid e th e followin g Information : 1 . Tankidentificatio n' (se e Questio nB.l. ) 2 . Demistin g agen t use d a . Typ e (e.g. , foam , plasti c balls , etc. ) b . Manufacture r c . Brandname • d . Usage , lb/yr e . Estimate dcontro l efficiency , % f . Basi s fo r estimat e 3 . Emissio ncaptur e system a . Manufacture r b . Mode l c . Typ e (e.g. , sid e draf t hoods , push-pull , etc. ) d . Yea r o f Installatio n e . Siz e ( 1 xw) , f t f . Heigh t abov e tank , 1n . g . Percen t o f tank surfac e are a covere db

y hood 

## S.P. 7



### 4 .

D . h . i

. 

### Em 1 a . b . c . d . e .
f . g . h . 1 . j .
k . Estimate dcaptur e efficiency , % Basi s fo r estimate ssio ncontro l devic e Manufacture r Mode l Typ e (e.g. , packed bedscrubber , etc. ) Yea r o f Installatio n Ga s flow

rate , scfm Actua l Desig n Inle t ga s tempera ture , ° F Typ e o f Hqui duse d fo r scrubbin g L1qu1d-to-ga s rati o Ga s pressure dro p acros s system , 1n . H 2 0 Contro l efficiency , % Actua l Desig n Destinatio no f collecte dmateria l Emission s
Fo r eac hchromiu

m platin g tank , pleas e provid e estimate s fo r bot h controlle dan

duncontrolle demissions , citin g th e basi s fo r eac h estimate . I f the estimate s ar e base donactua l tes t data , provid e copie s o f al l applicabl e tes t reports . Also , pleas e provid e informatio nonan y existin g Stat e emissio nlimitation s wit hwhic hyou r plan t mus t comply . 1 . Tankidentificatio n (se e Questio nB.l. ) 2 . Uncontrolle demissions , lb/ h Particulat e matte r Tota l chromiu

m Hexavalen t chromiu

m 8as1 s fo r estimate s 3 . Controlle demissions , lb/ h Particulat e matte r Tota l chromiu

m Hexavalen t chromiu

m " Basi s fo r estimate sP. 8



### 4 . Stat e emissio nlimitations , lb/ h Particulat e matte r Tota l chromiu

m Hexavalen t chromiu

m E . Stac kParameter s Pleas e provid e a pla nview o f th e plant , Identifyin g eac hchromiu m platin g tanko r Hn e an

dal l stack s an

dothe r emissio ndischarg e point s associate dwit hth e contro l device s liste d1 nSectio nC . Fo r eac h discharg e point , pleas e provid e th e following : 1 . Identificatio n(a s show no npla nview ) 2 . Typ e (e.g. , horizonta l '___ vent , vertica l stack , etc. ) 3 . Source s service d• 4 . Heigh t abov e ground• level , f t " 5 . Insid e diameter , 1n . 6 . Volumetri c flow , acf m • 7 . Ga s temperature , ° F F . Capita l an

dAnnualize dCost s Fo r th e emissio ncontro l syste m o neac hchromiu

m platin g tank , pleas e provid e th e followin g cos t Informatio n(Bas e yea r = ) : 1 . Tank1ndent1 f 1cat1o n' (se e Questio nB.l. ) 2 . Capita l costs , $ a . Contro l devic e b . Hood c . Fa n d . Ductwor k e . Stac k f . Installatio nfe e g . Tota l 3 . Annualize dcost s t a . Capita l recovery , $/yr Interes t rate , % Depredatio n Ufe , yr s 

### b . Electricity , $/y

r Uni t cost , $/kW

h c . Water , $/y

r Uni t cost , $/l,00 0 ga l


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d . Maintenance , $/y r Labor , man-h/y r Materials , $/y

r e . Demistin g agent , $/y r Uni t cost , $/l b f . Chromi c ad d recovery , $/yr Quantit y o f chromi c a d drecovered , lb/yr Uni t value , $/l b g . Tota lP.1 0

Docke t No
. A-88-0 2 Subcategor yI- C

Enclosure s 2, 3 , and 4 o f thi s documen t ar e identica l t o enclosure s 1 , 2 , and 3 i n docke t item No
. I-C-l

.



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