p. 1



# OAR Box 1313 Preppedby LaTeiaShed



### Document

Number: 

# 65 ) ll-B-3 9

Docket Number: 

# A-88-0 2

Printed 6/12/20089:03:30AM

Sheet 65of 99P. 2



### INTEROFFIC E COMMUNICATIO N 

## A-88-0 2

MIDWES T RESEARC H INSTITUT E

Ma y 19 , 198 8

To : Projec t Fil e
From : Robi nBarke r Subject : Sit e Visits—Decorativ e Chromiu m Platin g Facilitie s Chromiu m Electroplatin g NESHA P

I . Introductio n Durin g Januar y

o f 1988 , th e followin g fou r decorativ e chromiu m electroplatin g facilitie s wer e visite dt o investigat e th e suitabilit y o f th e plant s fo r performanc e testin g o f a fum e suppressant : Pitne y Bowes , Inc. , Stamford , Connecticut ; Arlingto nPlatin g Company , Palatine , Illinois ; LEC O Platin g Company , St . Joseph , Michigan ; an d Hage r Hing e Company , Montgomery , Alabama . Eac ho f th e plant s visite dha d bee n contacte dpreviousl y

b y telephon e and ha d bee njudge dt o b e a candidat e fo r furthe r investigation . T o qualif y a s a potentia l tes t site , th e plan t woul dnee dt o hav e a typica l hexavalen t chromiu m decorativ e platin g tank , a high-efficienc y

captur e system

(n o visibl e fume s escaping) , adequat e ductwor k configuratio nfo r testin g purposes , a n effectiv e add-o nemissio n contro l device , an

d th e capabilit y

t o operat e wit han

d withou t a fume suppressant .
II . Pitne y

Bowes , Stamford , Connecticu t Pitne y Bowe s i s a captiv e sho ptha t manufacture s postag e machines . Th e seale r blades , indicias , an d dec k plate s ar e th e component s o f th e postag e machin e tha t requir e decorativ e chromiu m plating . Ther e ar e thre e chromiu m platin g tank s a t thi s facility . Tw o tank s ar e identica l i n siz e an dar e use di n manuall y operate dplatin g lines . Th e othe r tan k i s par t o f a n automate dproces s line . Th e capacit y o f th e tw

o tank s i s 2,72 0 liter s (a ) (71 9 gallon s [gal] ) eac han d th e capacit y

o f th e tank i n th e automate dlin e i s 10,20 0 i (2,70 0 gal ) Tht

* platin g solutio nin th e tank s contain s chromi c aci da t a concentratior . • ,*ir.g e o f 24 0 t o 25 0 gram s pe r lite r (g/a ) (3 2 t o 3 4 ounce s pe r gallo n|oz/gall ) o f water . Al l thre e platin g tank s us e a permanent-typ e fume suppre 1 >nt , Zero-Mis t HT , manufacture db

y Udylite/OMI TM Internationa l Cu'poratio nt o contro l chromi c aci dmisting . Th e fume suppressan t appeare dt o b e effectiv e a t controllin g chromi c aci dmis t becaus e n o visibl e mistin g wa s eviden t acros s th e surfac e o f th e platin g solution(s ) durin g th e visit . Th e tw o manuall y

operate dtank s ar e equippe dwit hsingle-side ddraf t hood s an d ar e ducte dtogethe r an

d vente dt o a wate r was hscrubber . Th e automate dtank als o i s equippe dwit ha single-side ddraf t hoodtha t i s ducte dt o a wate r was hscrubber . Bot hscrubber s ar e locate do n th e floo r below th e platin g tanks . Th e duct s connectin g th e hood s an d th e scrubber s ar e rectangular . Th e lengt ho f commo nductwor k (0. 8 m [2. 7 ft] ) connectin g th e two tank s i n th e manua l line s i s insufficien t fo r emissio ntestin g

MR I a /P. 3

prio r t o th e scrubber . On e o f th e tank s ha s 1. 8 m (6. 0 ft ) o f straigh t ductwor k befor e th e commo nduc t joinin g th e tw o tanks ; however , thi s sectio no f ductwor k run s directl y behindth e scrubbe r an dwoul dpos e a n accessibilit y

proble m

fo r samplin g equipmen t an dpersonnel . Th e ductwor k o nth e automate dlin e ha s 1. 2 t o 1. 5 m (4. 0 t o 5. 0 ft ) o f straigh t duc t prio r t o th e scrubber ; however , du e t o th e proximit y o f th e scrubbe r an

da larg e bypas s duc t connecte dt o th e ductwor k fro m th e line , accessibilit y o f thi s locatio ni s als o limited . I t wa s determine dtha t thi s facilit y woul dno t b e a nappropriat e tes t sit e becaus e o f th e smal l amoun t o f straigh t ductwor k an dth e acces s problem s associate dwit heac hcontro l system . Th e plan t contact s ar e Mr . RodWalsh , Environmenta l Engineerin g Coordinator , andMs . Patrici a Wrenn , Superviso r o f Environmenta l Contro l an dChemica l Laboratory-Meta l Finishin g Operations ; an dth e addres s 1 s Walte r Wheele r Junio r Drive , Stamford , Connecticut , [telephon e (203 ) 356-7155 ]

III . Arlingto nPlatin g Company , Palatine , Illinoi s Arlingto nPlatin g Company i s a jobsho ptha t chromiu m plate s tubin g an dHgh t fixtures . Ther e ar e thre e decorativ e chromiu m platin g tank s a t thi s facility . Th e tank s ar e i nthre e separat e decorativ e chromiu m platin g lines : hoist , hand , an dautomati c Unes . Th e tank capacit y 1 n eac hUn e i s 5,09 0 a (1,34 6 gal) , 4,08 0 a (1,07 7 gal ) an d1,89 0 a (49 9 gal) , respectively . Th e platin g solutio ni nth e tank s contain s chromi c ad d a t a concentratio no f 22 0 g/ a (3 0 oz/gal ) o f water . A fume suppressant , Mis t Control , manufacture db y Bradle y Chemica l Company , 1 s use dt o contro l mistin g i nth e tanks . Th e fume suppressan t appeare dt o b e effectiv e a t controllin g chromi c aci dmis t becaus e n o visibl e mistin g wa s eviden t acros s th e surfac e o f th e platin g solutlon(s ) durin g th e visit . Th e tank s i nth e hoist - an dhand-operate dline s ar e equippe dwit hsingle side ddraf t hood s an

dar e vente dt o Dual l packed-be dscrubber s locate d directl y behin deac htank . Th e tan k i nth e automati c lin e i s equippe d wit ha single-side ddraf t hoodtha t i s ducte du pthroug hth e roo f wit hn o additiona l contro l devic e i nth e system . Th e scrubber s o nth e tank s i n th e hoist - an

dhand-operate dline s ar e locate ddirectl y behindth e tanks , an dno sufficien t ductwor k lengt hi s availabl e o r accessibl e fo r testing ; therefore , 1 t wa s determine dtestin g a t thi s plan t woul dno t be feasible . Th e plan t contac t i s Mr . Jerr y Fisher , Genera l Manger , an dth e addres s i s 60 0 Sout hVermon t Street , Palatine , Illinois , [telephon e (312 ) 359-1490 ]

IV . LEC O Platin g Company , St . Joseph , Michiga n
LEC O Platin g Company

i s a jo

bsho ptha t chromiu

m plate s smal l automotiv e part s an

dkitche nutensils . Thre e decorativ e chromiu m platin g tank s ar e locate dbesid e eac hothe r i nanautomate dproces s line . Eac h tank hold s 3,40 0 a (89 8 gal ) o f platin g solutio nwit ha chromi c aci d concentratio no f 30 0 g/ a (4 0 oz/gal ) o f water . Th e tank s us e a temporary typ e fume suppressant , Fumetro l 103 , manufacture db y M& T Chemicals , t o contro l misting . Th e fume suppressan t appeare dt o be effectiv e a t controllin g chromi c aci dmis t becaus e no visibl e mistin g wa s eviden t acros s th e surfac e o f th e platin g solution(s ) durin g th e visit . Eac htank



### <- 2P. 4

i s equippe dwit hdouble-side ddraf t hood s tha t ar e ducte dtogethe r along wit h1 1 othe r proces s tank s containin g nicke l platin g an dvariou s cleanin g an dstrippin g solutions . Th e commo nduc t i s vente dt o a 1,13 0 actua l cubi c mete r pe r minut e (40,00 0 actua l cubi c fee t pe r minute ) America nAi r Filte r scrubber locate di nth e roo m adjacen t t o th e platin g line . Ther e i s approximatel y

1. 2 m (4. 0 ft ) o f straigh t ductwor k a t th e inle t o f th e scrubber ; however , thi s lengt ho f ductwor k woul dno t b e sufficien t du e t o th e larg e diamete r o f th e duct . Also , th e hig hvolum e o f ai r i nth e syste m woul ddilut e th e concentratio no f chromiu m i nth e ga s strea

m makin g samplin g mor e difficul t becaus e o f th e time require dt o obtai nanadequat e sample . Therefore , thi s sit e wa s determine dt o b e unsuitabl e fo r emissio n testing . Th e contac t a t th e plan t 1 s Mr . Duan e Ostenson , Platin g Chemist , an dth e addres s 1 s 300 0 Lakeview , St . Joseph , Michigan , [telephon e (616 ) 983-5531 ]

V . Haqe r Hing e Company , Montgomery , Alabama Hage r Hing e Company

i s a captiv e sho ptha t manufacture s doo r hinges . Ther e ar e two decorativ e chromiu m platin g tank s a t thi s facility . Th e tank s hol dapproximatel y 3,97 0 a (1,05 0 gal ) an d68 0 a (18 0 gal ) o f platin g solutio nwit ha chromi c aci dconcentratio no f 37 0 g/ a (5 0 oz/gal ) o f water . Th e tank s contai na permanent-typ e fume suppres sant , Fumetro l 205T , manufacture db y M& T Chemicals , t o reduc e chromi c ad d misting . Th e fume suppressan t appeare dt o b e effectiv e a t controllin g chromi c aci dmis t becaus e no visibl e mistin g wa s eviden t acros s th e surfac e o f th e plating'solution(s ) durin g th e visit . Th e 3,970- a (1,050-gal ) tan k i s equippe dwit ha single-side ddraf t hoo dalon g one-hal f o f on e sid e o f th e tank . Th e lowe r portio no f th e hoodcontain s a wate r spray system an da wir e mes hwhic hi s use dt o captur e chromi c aci d mist . Th e 680- a (180-gal ) tank i s no t equippe dwit ha ventilatio nsystem . Ther e i s no ductwor k i nth e ventilatio nsyste m o nth e 3,970- a (1,050-gal ) tan k i nwhic ht o locat e a tes t port ; therefore , thi s sit e wa s determine dt o b e unsuitabl e fo r testing . Th e plan t contac t i s Mr . Thoma s Dillard , Environmenta l Coordinator , an dth e addres s i s 15 0 Folma r Parkway , Montgomery , Alabama , [telephon e (205 ) 284-4700 ]

VI . Summar y

an dConclusion s
Eac ho f th e fou r plant s visite dha don e o r mor e drawback s t o thei r selectio na s a tes t site . I f i t hadbee nfeasible , plan t personne l a t eac ho f th e fou r plant s wer e willin g t o cooperat e i na sourc e tes t a t th e facility .

^