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# OAR Box 1158 Prepped by RyanDugan



### Document

Number: 

# 29 ) l-C- 5 Docket Number: 

# A-88-0 2

Printed 4/28/20082:34:12 PM

Sheet 29of 349P. 2 MIDWES TRESEARC H INSTITUT E

4505 Creedmoo rRoa d Raleigh

. N.C

. 2761 2 Telephon e (919 ) 781-575 0



### January 22 , 198 5 

## A-88-0 2



# x-c - 5

Mr

. Joh n Albrecht , Plan t Superintenden t Sanitary-Das h 

### River Stree t Nort h Grosvenordale , Conn

. 0625 5 Dea rMr

. Albrecht : o I t J ij~\H / KQ l !; ..Sz,,.A..^-A~--»— 1 H



## illl l } | JA N I 8199 1 |L_J ! 

### F5TA_RP5CICE T
Midwes t Researc hInstitut e (MRI ) i s currentl y unde r contrac t (Contrac t No . 68-02-3817 ) wit hth e U . S . Environmenta l Protectio nAgenc y (EPA ) t o stud

y ai r emission s o f chromiu m fro m severa l differen t sourc e categorie s includin g chromiu m platin g operations . A s note di n Enclosur e 1 , MR I ha s bee ndesignate da s a nauthorize drepresentativ e o f EPA t o perform

thi s stud

y unde r Sectio n11 2 o f th e Clea nAi r Act . Inou r telephon e conversatio nonJanuar y 11 , 1985 , I summarize d th e informatio ntha t w e ar e presentl y collectin g onchromiu m platin g processe s an

demissio ncontro l techniques . I wil l b e contactin g yo u agai nwithi nth e nex t wee k t o discus s thi s information . Th e informatio n yo uprovid e wil l be use di ndecidin g whethe r o r no t t o procee dwit hth e developmen t o f a

nai r emissio nstandar dfo r chromiu m platin g operations . W e appreciat e an

y assistanc e yo uca ngiv e u s i nthi s matter . I f yo uhave an

y questions , pleas e contac t m e o r Ms . Barbar a Duletsk y a t (919 ) 781-5750 . Sincerely ,
Richar d C

. Coope r Environmenta l Scientis t Enclosur e

Principa l Laboratorie s 42 5 Volke rBoulevard , Kansas City

. Missour i 6411 0P. 3

j»< tosr " . =y ? \ UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y 5S|2_r / Offic e ofAi r Qualit

y Planning an

d Standard

s \ **•*? Researc h Triangle Park

j Nort h Carolina 2771 1

DESIGNATIO

N O F AUTHORIZE

D REPRESENTATIV

E FO R STANDARD

S O F PERFORMANC

E FO R NE WSTATIONAR

YSOURCE

S (SECTION 111 ) AN D NATIONA

L EMISSION STANDARD

S FO R HAZARDOU

S AI R POLLUTANT

S (SECTIO N 112 )
Midwes t Researc h Institut e i s hereb y designate d a n Authorize d Representativ e o fth e Administrato r o fth e Unite d State s Environmenta l Protectio n Agenc

y fo r th e purpose o fassistin g i n th e developmen t o f standard s o fperformance unde r 42 U.S.C . 741 1 an d nationa l emissio n standard s fo r hazardou s ai r pollutant s unde r 42 U.S.C . 741 2 fo r calciner s and dryers , mercury , asphal t concrete , magneti c tapes , plasti c parts , aluminu m extrusions , elastomeri c fabrics , secondar y bras s an d bronze , portlan d cement , resilien t flooring , ethylen e dlchloride , epichlorohydri n an d chromiu m unde r Contrac t Numbe r 68-02-3817 . Thi s designatio n i s mad e pursuan t t o th e Clea n Ai r Act , 4 2 U.S. C 7414 . Th e Unite d State s Cod e provide s that , upo n presentatio n o fthi s credential , th e Authorize d Representativ e name d herein : (1 ) shal l hav e a righ t o fentr y to , upon , o r throug h an y premises i n whic h an emissio n source i s locate d o r i n whic h record s require d t o b e maintaine d unde r 42 U.S.C . 7414(a)(1 ) ar e located , an d (2 ) ma y a t reasonabl e time s hav e acces s t o an d cop

y an y records , inspec t an y monitorin g equipmen t o r metho d require d unde r 4

2 U.S.C . 7414(a)(1) , an d sampl e an y emission s whic h th e owner o r operato r o fsuc h source i s require d t o sample . Authorize d Representative s o fth e Administrato r ar e subjec t t o th e provision s o f4 2 U.S.C . 7414(c ) respectin g confidentialit y o fmethods o r processes entitle d t o protectio n a s trad e secrets , a

s implemented b

y 4 0 CF R 2.301(h ) (4 1 F

R 36912 , Septembe r 1 , 1976) . Date : OC

T1 8 88 4 Designatio n Expires : September 30 , 1987 J^yA Gerald A . Em i son D1recto r Offic e o fAi r Qualit y Plannin g

and Standard s

r $ .