p. 1



# OAR Box 

# 1865 Prepped by Charmelle Mathews



# Document

Number: 

# 194)FR7-2f198 6 Docket Number: 

# A-83-2 7

Printed 12/3/20083:22:25PM

Sheet 194 Of 198P. 2

VII
. Demonstratio n o f

Reasonabl e Furthe r Progres s Th e C O SI Psubmitta l contain s th e anticipate dyearl y C O emissio n reduction s i n th e CB D alon g wit hth e yearl y reductio n neede dt o mee t USEPA' s "straigh t

line " reasonabl e furthe r progres s (RFP ) requirement
. Th e dat aindicat e tha t

RF Pwa s achieve di n th e CB D afte r

198 4 an dwil l b e maintaine dthroug h1987
. Th e SI Pals o present s agraphica l C O RF Pdemonstratio n fo r

th e worst-cas e hotspo t intersection
. Thi s graphica l presentatio n demonstrate s tha t RF Pwil l b e achieve dan dmaintaine da t thi s intersectio n throug h1987
. VIII
. USEP A Technica l Revie w an d Determinatio n USEPA' s revie w o f

th e ambien t monito r stri p char t

recor dfo r

Novembe r 24,1983 , support s th e Indianapoli s APC D vie w tha t

thi s second-hig h concentratio n a t

th e L.S
. Ayer s sit e shoul db e discredite ddu e t o probabl e montito r instability
. USEP A ha s determine dtha t

th e appropriat e second

hig h8-hou r

desig n concentratio n shoul d b e 11. 7 ppm , whic hwa s monitore di n 1986
. I t shoul db e note dtha t

USEP A doe s no t agre e wit hth e manne r i n whic hth e Stat e calculate dth e CBD-wid e C O emissio n rates . Vehicle s trave l a t differen t speed s withi n th e CBD
. A s ma y b e note dfro mth e speed-specifi c emissio n factor s liste di n th e Indian a SI Prevision , emissio n factor s d o no t var y linearl y wit hspeed
. Th e us e of a singl e averag e vehicl e spee dt o calculat e aCB D tota l emissio n rat e ma y lea dt o a nincorrectl y calculate demissio n rate . USEP A believe s tha t

i t woul dhav e bee n mor e technicall y correc t t o hav e determine dth e VM T distributio n a s a functio n o f

vehicl e spee dwit hth e CB D emissio nrat e base do nthi s VM T distribution
. However , revie w of th e speed-specifi c emissio nrate s indicate s tha t thes e emissio n rate s dro p b y approximatel y th e sam e percentag e betwee n198 3 an d198 6 regardles s o f vehicl e speed
. Th e sam e resul t i s assume dt o b e th e cas e betwee n 198 1 an d1987
. A s aresult , th e us e o f asingle , averag e spee drathe r

tha n aVMT-spee d distributio nt o calculat e th e CB D tota l emissio n rat e shoul dhav e littl e effec t o n th e result s o f

th e rollbac k

analysis , whic hi s onl y sensitiv e t o th e percentag e chang e i n emissions
. Therefore , USEP A doe s agre e wit hth e genera l result s of th e analysis
. USEP A ha s determine dtha t th e SI P ha s successfull y demonstrate d attainmen t

o f th e C O NAAQ S b y Decembe r

31,1987
. Assumin g tha t th e L.S
. Ayre s sit e ha s th e worst-cas e C O

concentratio n sit e i nth e CBD , th e rollbac k analysi s show s C O emission s mus t b e reduce db y 22. 8 percen t fro m th e 198 1 CB D total
. Th e SI P demonstrate s a24. 5 percen t emissio n reductio nb y 198 7 base do ndail y emissions , o r

a25. 8 percen t

emissio n reductio nb y 198 7 base do nannua l emissions
. USEPA' s revie w o f

th e hotspo t analysi s a s revise di n th e Octobe r 7 , 1985 , submitta l show s tha t a demonstratio n o f

attainmen t

b y Decembe r

31,1987 , ha s bee n successfull y mad e fo r

th e worst-cas e intersections
. Th e ambien t monitorin g fro mth e thre e site s doe s suppor t th e vie w tha t

th e C O nonattainmen t proble mi ndowntow nIndianapoli s i s hotspo t i n natur e and , therefore , b y developin g a napprovabl e pla n fo r th e hotspo t problems , Indian aha s assure d th e attainmenm t

an dmaintenanc e o f

th e C O NAAQ S throughou t th e nonattainmen t

area . Additionally , USEP A ha s determine dtha t th e Mario n Count y C O SI Pappropriatel y demonstrate s RF Ptoward s attainmen t o f th e C O NAAQS
. IX
. Conclusio n USEP A propose s t o approv e th e Mario n Count y C O SI Pa s demonstratin g attainmen t

o f th e NAAQ S b y Decembe r 31,1987 , an dRF Pi nth e existin g nonattainmen t

area . USEP A als o propose s t o approv e th e adopte d Transportatio nContro l Measur e (TCM)
. Unde r 5 U.S.C
. 605(b) , th e Administrato r

ha s certifie dtha t

SI P approval s d o no t

hav e asignifican t impac t o nasubstantia l numbe r of smal l entities
. (Se e 4 6 F

R8709)
. Th e Offic e of

Managemen t

an dBudge t ha s exempte dthi s rul e fro mth e requirement s o f

sectio n3 o f

Executiv e Orde r 12291
. Authority : 42 U.S.C
. 7401-7642
. Dated : Marc h27,1986
. Valda s V
. Adamkus , Regional Administrator. [F RDoc
. 86-1638 8 File d7-21-88 ; 8:4 5 am ] BILLIN G COD E 6560-50- M 4 0 CF R Par t 5 0 (AD-FRL-3052-9 ] Standard s o f Performanc e fo rNe w Stationar ySources ; Industrial Comrmercial-lnstitutiona l Stea m Generatin g Unit s AGENCY: Environmenta l Protectio n Agenc y (EPA)
. ACTION : Reschedulin g of Publi c Hearin g an dExtensio n of

Publi c Commen t Period
. SUMMARY : O n Jun e 19,1986 , ne w sourc e performanc e standard s wer e propose d t o limi t sulfu r dioxid e emission s fro m ne w industrial-commercial-institutiona l stea mgeneratin g unit s of mor e tha n 10 0 millio n Btu/h r

hea t inpu t capacit y (5 1 F

R 22384)
. O nJun e 24,1986 , th e Counci l o f Industria l Boile r

Owner s requeste dtha t th e publi c hearin g b e reschedule dan d th e publi c commen t

perio db e extended
. A s aresult , a s note dbelow , th e publi c hearin g ha s bee nreschedule dt o Septembe r

4,1986 , an dth e clos e of th e publi c commen t

perio dha s bee n extende dt o Octobe r

2,1986
. DATES : Comments. Comment s o nth e propose dstandard s mus t b e receive db y Octobe r 2,1986
. Public Hearing. A publi c hearin g wil l b e hel do n Septembe r

4,1986 , beginnin g a t 10:0 0 a.m . Request to Speak

at Hearing. Person s wishin g t o presen t

ora l testimon y mus t reques t t o spea k a t th e publi c hearin g b y callin g An n Eleano r

a t (919 ) 541-557 8 b y Augus t 8,1986
. ADDRESSES : Public Hearing: Th e publi c hearin g wil l b e hel da t

EPA' s Offic e o f Administratio n Auditorium , Researc h 1 riangl e Park , Nort hCarolina
. Docket: Docke t

No
. A-83-2 7 :ontainin g supportin g informatio n use d indevelopin g th e propose dstandard s i s availabl e fo r

publi c inspectio n an d copyin g betwee n8:00 a.m . an d4:0 0 p.m. , Monda y throug hFriday , a t EPA' s Centra l Docke t

Section , Wes t

Towe r Lobby , Galler y 1 , Watersid e Mall , 40 1 M Street , SW. , Washington , D C 20460
. A reasonabl e fe e ma y b e charge dfo r copying
. FO R FURTHE R INFORMATIO N CONTACT : Mr
. Fre dPorte r

o r Ms
. Diann e Byrne , Standard s Developmen t Branch , Emissio nStandard s an dEngineerin g Divisio n (MD-13) , U.S
. Environmenta l Protectio nAgency , Researc hTriangl e Park , Nort hCarolin a27711
. Telephone : (919 ) 541-5578
. Dated : Jul y 14,1986
. Do n R
. Clay , Acting Assistant

Administrator

for Air und Radiation. [F RDoc
. 86-1639 0 Filed7-21-flO ; 8:4 5 «m | BILLIN G CODE 6560-50- M