P. 1 

# OAR Box 1147 Prepped by Ollie Stewart



### Document

Number: 

# 160 ) IV-E-33 Docket Number: 

# A-87-1 1

Printed 4/22/2008 2:42:56

PM Sheet 160 of 242P. 2

•it f - • f<* 0S * % 

# vss y UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y

. AN N ARBOR . MICHIGA N 4810 5 MA ? 3 | vdS OFFIC E O F AI R AN D RADIATIO N
MEMORANDU

M SUBJECT : FROM : EPA/Chrysle r Meeting Regardin g Onboard ' Refueling

Control s Pau l M . Laing , Chemica l Enginee r ~ I <wi ; ? n Standard s Developmen t an d Suppor t Branc h -•*•• • -Lt ^ TO : THRU : Publi c Docke t A-87-1 1

Glenn W . Passavant , Senio r Projec t Manage r Standard s Developmen t an d Suppor t Branc h 

## 226u

w id (dy^zccr

anc h Cheste r J . France , Chie f Standard s Developmen t an < O n February10 , 198 8 representative s o f EPA' s Offic e o f Mobil e Source s me t wit h staf f fro mChrysle r Motor s t o discus s severa l aspect s o f onboard refueling vapo r recover ysystems . A n agend a an

d attendee s lis t ar e attached . Th e meetin g bega n wit h a brie f revie w o f Chrysler' s curren t onboar d system . Thi s system , whic h wa s characterize d a s "working satisfactorily, " utilize d a fillnec k mounte d rollove r valve , a mechanica l seal , an d a separat e (fro mthe evaporativ e system ) rear-mounte d refueling canister . EP A questione d Chrysler' s rational e for . using a mechanica l sea l an d a non-integrate d system . Chrysle r responde d tha t tes t procedur e an

d leadtime constraint s had basicall ymandate d thes e choices . Fo r example , Chrysle r believe d th e stringenc yo f th e propose d refueling standard preclude d th e us e o f liqui d seals . I t wa s als o Chrysler' s vie w tha t th e multipl e caniste r saturation s an

d purg e requirement s specifie d b ythe propose d tes t procedur e dictate d the us e o f a separat e system . Following thes e discussions , EP Aencourage d Chrysle r t o submi t suggestion s o n how EPA' s proposa l coul d b e modifie d t o promot e the us e o f liqui d seal s an d integrate d onboar d systems . EP

Aexplaine d tha t integrate d system s ar e desirabl e becaus e o f thei r inheren t abilit yt o contro l non-FT P evaporativ e emissions .P. 3

Asid e fro

m thes e issues , Chrysle r presente d som e o f th

e packagin g problem s theyhav e encountere d an d discusse d thei r concern s abou t onboard' s potentia l effec t on secon d stag e manufacturers . I n additio n t o thes e concern s th e topi c o f safet ywa s raised . Chrysle r cite d leadtime an d the availabilit yo f resource s a s tw o key s t o maximizing safety . The yals o state d tha t the ybelieve d the ris k impose d b yonboard wa s manageabl e wit h adequat e leadtime an d tha t safet yneed no t be degraded . Finally , wit h respec t t o safety , Chrysle r commente d tha t i t ha s onl ybee n withi n th e pas t tw o year s tha t thei r safet y an d emissio n contro l department s hav e interacte d on thi s o r an y othe r systemdevelopmen t during the design phase . Attachment sP. 4

VISI T O F REPRESENTATIVE S O F EP A OFFIC E O F MOBIL E SOURCE S FEBRUARY10 , 198 8 ONBOAR D REFUELINGVAPORRECOVERYSYSTEM Invitees : ENVIRONMENTAL PROTECTION AGENC Y Charle s Gray

Kath

y Steile n Che t Franc e Pau l Laing Glen nPassavan t JeanSchwendema n Joh nAnderso nPete r Hutchin s CHRYSLE RMOTOR S GordonRinschle r GordonAllardyc e Gary Dawso n Ji m Furlong Ber t Smit h Location : Impac t Conferenc e Roo m§2 - Bldg . 14 4 Time : 9:0 0 a.m . - 11:0 0 a.m .

AGEND A 1 ) Introduction s & remark s 2 ) Syste mrevie wo f onboar d control s 3 ) Revie wo f vehicl e an d hardwar e 4 ) Implication s o f installin g onboar d system s 5 ) Leadtim e need s 6 ) Concern s fo r safet y 7 ) Discussio n G
. L . Rinschle r G
. D . Dawso n G
. D . Dawso n G
. D . Dawso n G
. L . Rinschle r B . R . Smit h

Certificatio n an d Regulator yProgram s JW F 02/09/8 8 DOCll-VISITre pP. 5 EPA/Chrysle r Meetin g Februar y10 , 198 8
EP A Charle s Gray Cheste r Franc e Glen n Passavan t John Anderso n Pete r Hutchin s Jea n Schwendema n John Gabrysia k Kare n Lostosk i Pau l Lain g Chrysle r Gordo n Allardyc e Gordo n Rinschle r Gar yDawso n Ji mFurlon g Ber t Smit h