P. 1 

# OAR Box 1830 Prepped byOllie Stewart



### Document

Number: 

# 82 ) IV-C-4

8 Docket Number: 

# A-87-1 1

Printed 11/13/20087:20:55AM Sheet 82 of 232P. 2

UNITE D STATE S ENVIRONMENTA LPROTECTIO NAGENC Y

WASHINGTON

, D.C . 20460 J/4 1 ? t ; p^f)

OFFIC E O F AI RAN D RADIATIO N

Mr . Jame s B . MacRae , Jr . Deput yAdministrato r Offic e o f Informatio n an d RegulatoryAffair s Offic e o f Managemen t an d Budge t Washington , D.C . 2050 3 Dea r Mr . MacRae : Than k yo u for you r Decembe r 8 , 198 7 lette r commenting o n our proposal s t o limi t gasolin e volatilit yan d refueling ? emissions . W e appreciat e you r taking the time t o communicate ? your view s t o u s o n thes e importan t matters . You r comment s touche d o n a numbe r o f importan t issues . Yo u ar e alread

yawar e o f our curren t positio n o n mos t o f thes e matters , sinc e the ywer e enunciate d in our proposals . However , I woul d lik e t o briefl ycommen t o n the issue s raise d i n you r lette r relating t o recen t development s sinc e th e publicatio n o f our proposal . Yo u highligh t an apparen t declin e i n the numbe r o f ozon e nonattainmen t areas ; the Court-ordere d Stag e I I installatio n progra mfo r Ne wYork ; th e Northeas t states ' agreemen t t o procee d wit hregiona l volatilit ycontrols ; an d the n indicat e you r opinio n tha t ozon e contro l shoul d bes t b e viewe d a s a regiona l rathe r than a nationwid e problem . I t i s correc t tha t the numbe r o f ozon e nonattainmen t area s decline d base d upo n th e us e o f 1984-198 6 design value s compare d t o 1982-198 4 dat a use d in our proposals . O n the othe r hand , yo u ar e probabl yawar e o f the indication ^ tha t th e numbe r o f nonattainmen t area s ma yincreas e substantiall ywhe n 198 7 dat a ar e included . W e pla n t o complet e our revie wo f th e 198 7 dat a i n tim e t o includ e design value s base d upo n 1985-198 7 in ou r revise d analyses . Thus , our decisio n wil l be base d upo n th e mos t currentl yavailabl e data . Yo u nex t pointe d ou t tha t the Federa l Distric t Cour t ha s imposed a stringen t Stag e I I installatio n timetabl e upo n the stat e o f Ne wYork . W e agre e tha t the impac t o f thi s actio nP. 3

- 2 -

mus t b e considere d in our deliberations . W e wil l be assessing the impac t o f the Ne wYork program , a s wel l a s th e Ne wJerse y program , o n our analyses , including recognitio n o f the fac t tha t suc hprogram s coul d b e phase d ou t i f actuall yinstalle d i n advanc e o f an onboar d program , o r tha t othe r action s coul d b e take n b ythes e state s a s par t o f th e SI P process . A s yo u know , man yo f thes e state s strongl ysuppor t a nationwid e onboar d contro l progra

min additio n t o thei r regiona l Stag e I I programs . Th e Northeas t state s hav e indicate d broad suppor t fo r gasolin e volatilit ycontro l but , a s o f yet , non e hav e adopte d specifi c regulation s t o tha t effect . W e wil l continu e t o analyz e the implication s o f regiona l versu s nationa l volatilit y control , bu t our curren t analysi s an d tha t o f the petroleu m refining industr

yseem s t o indicat e that , in thi s case , nationwid e contro l make s mor e sens e than regiona l control . Onc e again , pleas e be assure d tha t we wil l be considering carefull yth e point s whic hyo u hav e raise d a s w e procee d wit h the rulemaking proces s following the publi c commen t period. . You r comment s wil l als o b e place d i n th e publi c docket s fo r th e tw o proposals . W e look forward t o furthe r contac t o n thes e matter s i n th e future . Sincerely , 

### $§&§ J . Cttig potter J . Crai g Potte r Assistan t Administrato r fo r Ai r an

d Radiatio n

cc : Docke t A-87-1 1 Docke t A-85-2 1