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# OAR Box 1147 Prepped by Ollie Stewart



### Document

Number: 

# 176 ) IV-E-49 Docket Number: 

# A-87-1 1

Printed 4/22/2008 2:42:56

PM Sheet 176 of 242I f

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UNITE D STATE S ENVIRONMENTA LPROTECTIO N AGENC Y

AN N ARBOR . MICHIGA N 4810 5

OFFIC E O F AI R AN D RADIATIO N 

## MA Y

## 2 3 198 8

MEMORANDU M SUBJECT : AP I Vehicl e Refuelin g Emission s Tas k Forc e Meetin g FROM : 

### TO : THRU : Glen n W . Passavant , Senio r Projec t Manage r

Standard s Developmen t and Suppor t Branc h Publi c Docke t A-87-1 1 Cheste r J . France , Chief' / A ; / , Standard s Development/tfri d Branc h O n Apri l 15 , 198 8 Glen n W . Passavan t o f EPA/OM S wa s a n observe r a t a meetin g o f th e Vehicl e Refuelin g Emission s Tas k Forc e o f th e America n PetroleumInstitut e (API ) a t Exxo n Researc hand Enqineerin g i n Linden , Ne wJersey . Alis t o f attendee s and an agend a fo r th e meetin g ar e attached . A s ca n b e see n i n th e agenda , th e purpos e o f th e meetin g wa s fo r representative s o f th e AP I membe r companie s t o discus s vehicl e refuelin g relate d wor k complete d byAPI i n th e recen t pas t and tha t planne d fo r th e nea r future . Th e meetin g include d a revie wo f th e safet ywor k recentl y complete d fo r AP I b yIC F and Energ yAnalysts , and a revie wo f th e ke ypoint s i n th e comment s o n EPA' s onboar d NPR M an d th e recen t Cente r fo r Aut o Safet yRepor t o n vehicl e fir e safety . Th e committe e als o discusse d th e result s o f API' s recen t onboar d syste m

developmen t o n th e 198 7 Buic k LeSabr e (se e attached ) and th e wor k the yhav e planne d fo r th e futur e o n a For d Taurus . Thes e vehicle s and onboar d hardwar e fo r th e LeSabr e wer e viewe d vehicle s wer e shown . and th e onboar d syste m design s fo r thes e Pas t technica l r"?ocrt s and recen t wor k o n ven t losse s (breathin g an

d emptyin g losses ) wa s discussed , and a brie f repor t wa s presente d b yExxo n (se e attached) . Exxo n plan s futur e wor k i n thi s area .P. 3

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### During the opening remarks , the EPArepresentativ e

reviewe d pas t an

d recen t event s in the refueling contro l NPR M an d th e schedul e o f event s i n th e immediat e future , includin g reproposa l o f the onboard rul e fo r safet yan d othe r change d circumstances . EPA' s newonboard syste mwa s briefl ydescribe d alon g wit hour experienc e in recen t briefing s on the system . I n term s o f technica l input , EPAsuggeste d four area s o f informatio n whic hAP I or other s ma ychoos e t o provid e whic h coul d be helpfu l in analysi s o f comment s an d developmen t o f the fina l rule . Thes e included : ° Ven t los s measurement s on : 1 ) a sel f servic e non-24-hou r Stag e I I station , 2 ) a 24-hour sel f servic e Stag e I I station , 3 ) a sel f servic e non-24-hou r regula r statio n wit hwarme r fue l an d ai r temperature s than in thei r firs t tests , an d 4 ) a sel f servic e non-24-hou r regula r statio n wit ha ven t pressure/vacuu

m cap . ° Amor e in-dept hassessmen t o f Stag e I I hardwar e failure s whic hcoul d affec t Stag e I I efficienc yan d ye t ma yno t b

e observabl e b

yvisua l inspection . Th e need for informatio n on failur e modes , rates , an d emissio n impact s wa s als o discussed . ° Amor e thoroug hand . recen t assessmen t o f fue l spillag e during refueling . I t wa s suggeste d tha t survey s for sel f serve an d ful l serve woul d b e helpfu l for bot hregula r an d Stag e II-equippe d servic e stations . ° Asurveyo f in-us e dispensing rate s for bot hsel f serv e an

d ful l serve stations , fo r a wid e variet yo f vehicl e types , nobles , dispensers , etc . Attachment s