p. 1



# OAR Box 1830 Prepped by Ollie Stewart



### Document

Number: 

# 62 ) IV-C-2

8

Docket Number: 

# A-87-1 1

Printed 11/13/20087:20:54 AM Sheet 62 of 232P. 2



## DE C 3 0

Kr . .lir a Burnett , Chairma

n Nationa l Transportatio n Safety

Boar d 80 0 Independenc e Avenue S V Washington , DC 2059 4
Dear Mr . Burnett »
A s yo u know , th

e Environmenta l Protectio n Agenc

y recentl y publiehe

d a proposa l t o recuire ne w gasoline-powered vehicle s t o b e equippe

d wit honboar

d refuelin

g emission s contro l hardware . I

n relatio

n t o thi s proposal , comment s hav e bee n made indicatin

g that onboar

d system

s ma y pos e eoan

e safet y risk du e t o thei r increase d complexity

over curren t evaporativ e contro l systems . EP A i s presentl y

conductin

g a n extensiv

e safet y analysi s i

n a n effor t t o addres s thes e concern s an d w e wis ht o solici t you r inpu t o n a variety

o f specifi c issue s relate d t o th e safet y o f onboar

d systems . The enclose

d lis t represent s eone of th e eajor question s relate d to onboar

d safet

y whic hw e are attemptin

g to answe r a

t thi s point I

n ou r analysis . However , w e do not believ

e tha t an y o f thes e question s wil l b e easy t o resolve , an

d w e ar e seekin g inpu t fro m yo u an d other s abou t ho w bes t t o proceed . It i s ou

r desir e t o conduc t a complet e an d thoroug

hanalysis , an d t o do tha t w

e desir e suggestion s fro m a s broa

d a bas e o f safet y perspective s a e possibl e abou t ho w t o approac

hthes e natters . W

e woul d value your givin g seriou s thought t o thes e issue s an

d providin

g u s wit hwritten suggestions . W e woul ^ especiall y

appreciat e suc

hthing s a s suggeste d methodologie s w

e wight follow , source s o f relevan t data , or th e identificatio

n o f siwilar studie s whic hhav e bee n done i

n th e past . An

y othe r inpu t o r suggestion s yo

u wa y hav e o n ho w w e migh t procee

d with ou r safety

analysi s woul d als o be appreciated . I f yo u woul d fin d it useful , w

e woul d als o b

e happ y t o rceet wit

hyo u t o discus s thes e issue s i n wor e detail . SDSB;Mueller:DillinghaiB:2565PlyBiout hRd:X275:12/14/87:ID|:0373 w Las t reviewe

d b y Charle s Gray:12A4/8 7P. 3

' •

- 2 -

I t i s EPA' s inten t t o addres s th e onboar d safet yissu e i n a s timel y

a manne r a s possible . Therefore , I woul< i apr-reciatr

you r prorep

t respons e t o tni a letter . Pleae e sen o *?n ycomr-i^nt s yo u hav e t o Mr . P.ichar d Wilson , Directo r o f th e Offic e o f Mobil e Sources , a t th e abov e address . Than k yo u very

auc hfor you r cooperation .

Sincerely ,

j 1 J . trai g Potte r | Assistan t Administrato r * for Ai r an d Radiatio n i Enclosur eP. 4

Question s Relate ^ to Onboar d Safet y

1 . Ho w d o w e asses s th

e increas e i

n safet y risk (i f any ) tha t ca n b e expecte

d t o resul t fro

m th e installatio

n of onboar

d refuelin

g contro l hardware ? 2 . Ho w d o thes e risk s compar e i n genera l withothe r safety risk s an

d i n particula r wit hothe r fue l syste m change s (suc ha s fue l injection) ? 3 . Wha t safet

y engineerin

g solution s ar e availabl e t o eliminat e or minimiz e thes e risks ? 4 . Ho w muc hleadtim

e i s necessar

y t o provide fo

r necessar

y safet y engineering ? 5 . Ro w do w e asses s th

e benefi t o f eliminatin g existin

g safet y risk s whichmight occu r i n conjunctio

n withonboar

d installatio

n (e.g. , exces s caniste r capacity , changin g fro m rea r t o sid

e fil l tanks , eliminatio n of expose

d vent lines) ? 6 . Ho w do w e evaluat e th

e benefit s o f th

e potentia l reductio n i n servic e station s safet y risk s (fro

m reduce

d spillag e an d containmen t o f vapors) ?
7 . Wha t safety

benefit s can w

e expec t fro

m th e volatility rule ?P. 5



### DE C 

### 3 0 193 7

Mr . Charle s Hurle

y Vic e Presiden t o f Publi c Policy Nationa l Safety

Counci l 105 0 17t

hStreet , W.tf. , Suit e 77 0 Washington , D.C . 2003 6 Dear Mr . Hurley : A s yo u know , th

e Environmenta l Protectio n Agenc

y recentl y published a proposa l t o requir e ne w gasoline-powered vehicle s t o b e equippe

d withonboar

d refuelin

g emission s contro l hardware . I

n relatio

n t o thi s proposal , comment s h*v e bee n mad e indicatin

g tha t onboar

d system

s na y pos e som

e safet y ris k due t o thei r increase d complexity

ove r current evaporativ e contro l systems . EP A i s presentl y

conductin

g a n extensiv

e safet y analysi s i

n a n effor t t o addres s thes e concern s an d w e wis ht o solici t you r inpu t o n a variety

o f specifi c issue s relate d to th e safet y o f onboar

d systems . Th e enclose

d lis t represent s som e o f th

e major Question s relate d t o onboar

d safet

y whichw

e are attemptin

g t o answer at thi s point i

n ou r analysis . However , w e do not believ

e that an y o f thes e question s wil l b e eas y t o resolve , an

d w e ar e seekin g inpu t fro m yo u an d other s abou t ho w bes t to proceed . I t i s ou

r desir e t o conduc t a complet e an d thoroug

hanalysis , an d to do tha t w

e desir e suggestion s fro m a s broa

d a bas e o f safety perspective s a s possibl e abou t ho w to approac

hthes e matters . W

e woul d valu

e you r givin

g seriou s thought t o thes e issue s an

d providin

g u s wit hwritten suggestions . W e woul d especiall y

appreciat e suc

hthing s a s suggeste d methodologie s w

e migh t follow , source s o f relevant data , o r th e identificatio

n o f similar studie s whic hhav e bee n don e in th

e past . An

y othe r inpu t o r suggestion s yo

u »a y hav e o n bo w w e eight procee

d with ou r safet

y analysi s woul d als o b e appreciated . I f yo u woul d fin d l t useful , w

e woul d als o b

e happ y t o mee t wit hyo

u t o discus s thes e issue s i n mor e detail . SDSB:Mueller:Dillingham:2565Plymout hRd.:X275:12/14/87:ID#5446 W Las t reviewe

d b y Charle s Gray:12/14/8 7P. 6

- 2 -

I t i s EPA' s inten t t o addres s th e onboar d safet y issu e in a s timel y

a manne r a s possible . Therefore , I woul d appreciat e you r promp t respons e t o thi s letter . Pleas e sen d an y comment s yo u hav e t o Mr . Richar d Wilson , Directo r o f the Offic e o f Mobil e Sources , a t the abov e address . I n orde r for u s t o continu e t o kee p yo u informe d o f development s i n thi s area , i t woul d b e helpfu l t o establis ha primar y contac t in you r organization . Pleas e cal l Mr . Wilson' s offic e (202-382-7645 ) wit hth e name o f a contac t a t you r earlies t convenience . Thank yo u ver y

muc hfor you r cooperation .

Sincerely , 

# H

J . Crai g Potte r Assistan t Administrato r for Ai r an

d Radiatio n Enclosur eP. 7

Question** ; R*»lste<

- t o Onboar r Safet v

1

. Ho w d o w e asses s the increas e in safet yri?v * (i f any ) thp. t ca n b e expecte

d t o resul t fro

mth * Installatio n o f onboar d refuelin

g contro l hardware ? 2 . Ho w do thes e risk s compar e i n genera l withoth* r safet y risk s an

d i n particular wit

hother fue l system change s (suc ha s fue l injection) ? 3 . Wha t safet

y engineerin

g solution s ar

e availabl e t o eliminat e o

r minimis e thes e ricks ? 4 . Ho w muc hleadtim

e i s necessar

y to provid e fo r necessary safet y engineering ? 5 . Ho w do w e asses s th e benefi t o f eliminatin g existir.e

safet y risk s whichmight occu r i n conjunctio

n wit h onboar d installatio

n (e.g. , exces s caniste r capacity , changin g fro m rea r to sid

e fil l tanks , eliminatio n o f expose d ven t lines) ? 6 . Ho w do w e evaluat e th

e benefit s o f th

e potentle l reductio n i n servic e station s safet y risk s (fro

m reduce d soilleg e an d containmen t o f vapors) ?
7 . Wha t safet

y benefit s can w

e expec t fro n the volatilit y rule ?P. 8



## DE C 

## 3 0

Mr . Bria

n O'Neill , Presiden t Insuranc e Institut e fo r Highwa

y Safety Watergat e 60 0 Washington , D

C 2003 7
Dear Mr . O'Heill t
A s yo u know , th

e Environmenta l Protectio n Agenc

y recentl y publishe

d a proposa l t o recruir e ne w gasoline-powered vehicle s t o b e equipped withonboar d refuelin

g emission s contro l hardware . I

n relatio

n t o thi s proposal , comment s hav e been made indicatin

g tha t onboar

d system

s ma y pos e som

e safet y risk due t o thei r increase d complexity

ove r curren t evaporativ e contro l systems . EP A i s presentl y

conductin

g a n extensiv

e safet y analysi s i

n a n effor t to addres s thes e concern s an d w e wis ht o solici t you r inpu t o n a variety

o f specifi c Issue s relate d t o th e safet y o f onboar

d systems . Th e enclose

d lis t represent s som e of th

e major question s relate d t o onboar

d safet

y whic hw e ar e attemptin

g t o answer a

t thi s point in ou

r analysis . However , w e d o not believ

e tha t an y o f thes e question s wil l b e eas y t o resolve , an

d w e ar e seekin g inpu t fro m yo u an d other s abou t ho w bes t to proceed . I t i s ou

r desir e t

o conduc t a complet e an d thoroug

hanalysis , an d t o do tha t w

e desir e suggestion s fro m a s broa

d a bas e o f safet y perspective s a s possibl e abou t ho w t o approac

hthes e matters . W

e woul d value you

r givin

g seriou s thought t o thes e issue s an

d providin

g u s wit hwritten suggestions . W e woul d especiall y

appreciat e suc

hthing s a s suggeste d methodologie s w

e migh t follow , source s o f relevan t data , o r th e identificatio

n o f similar studie s whichhav e bee n done i

n th e past . An

y othe r inpu t o r suggestion s yo

u ma y hav e o n ho w w e migh t procee

d wit h ou r safet

y analysi s woul d als o b e appreciated . I f yo u woul d fin d it useful , w

e woul d als o b

e happ y t o mee t wit hyo

u t o discus s thes e issue s i n mor e detail . SDSB:Mueller:Dillingham:2565Plymout hRd.:X275:12/14/87:ID#5446 W Las t reviewe

d b y Charle s Gray:12/14/8 7P. 9

- 2 -

T t i s EPA' s inten t t o addresr * the onboar d safet yif*5iK ? i n a s timel y

a manne r a s possible . Therefore , I woul d aporecist e you r promp t respons e t o thi s letter . Pleas e sen** ! an ycomrrent s you have t o Mr . Richar d Wilson , Directo r o f th e Offic e o f Mobil e Sources , a t th e abov e address . Thank yo u very

muc hfor you r cooperation .

Sincerely , 

# H

J . Crai g Potte r Assistan t Administrato r for Ai r an

d Radiatio n Enclosur eP.1 0

Question s Relate d t o Onboar d Safet y

1

. Ho w d o w e asses s th e increas e i n safet yris k (i f any ) tha t ca n be expecte d t o resul t fro mth e installatio n o f onboar d refuelin

g contro l hardware ? 2 . Ho w do thes e risk s compar e i n genera l withothe r safety risk s an

d i n particular withother fue l systemchange s 

### (sucha s fue l injection) ? 3 . Wha t safet

y engineerin

g solution s ar e availabl e t o eliminat e o

r minimiz e thes e risks ? 4 . Ho w muc hleadtim

e i s necessar

y t o provide fo

r necessar

y safet y engineering ? 5 . Ho w do w e asses s th

e benefi t o f eliminatin g existin

g safet y risk s whichmight occu r i n conjunctio

n withonboar

d installatio

n (e.g. , exces s caniste r capacity , changin g fro m rea r t o sid

e fil l tanks , eliminatio n o f expose d ven t lines) ? 6 . Ho w d o w e evaluat e th

e benefit s o f th

e potentia l reductio n i n servic e station s safet y risk s (fro

m reduce

d spillag e an d containmen t o f vapors) ? 7 . Wha t safet

y benefit s ca

n w e expec t fro

m th e volatility rule ?

-P.1 1

SDSB:Mueller:Dillingham:2565PlvmouthRd.:X275:I2/14/87:ID**446V T Las t reviewe

d b y Charle s Gray:12/14/8 7



## DE C 

## 3 0

Mr . Clarenc e Ditlo

w Cente r fo

r Aut o Safety 200 1 S . Stree t WW , Suit e 41 0 Washington , D

C 2000 9
Dea r Mr . Ditlow

i
A s yo u know , th

e Environmenta l Protectio n Agenc

y recentl y publishe

d a proposa l to reouir e ne w gasoline-powered vehicle s to b e equippe

d withonboar

d refuelin

g emission s contro l hardware . I

n relatio

n t o thi s proposal , comment s hav e bee n made indicatin

g that onboar

d system

s ma y po3 e som

e safet y ris k du e to thei r increase d complexity

over curren t evaporativ e contro l systems . EP A i s presentl y

conductin

g a n extensiv

e safet y analysi s i

n a n effor t t o addres s thes e concern s an d w e wis ht o solici t you r inpu t o n a variety

of specifi c issue s relate d t o th

e safet y o f onboar

d systems . Th e enclose

d lis t represent s som e o f th

e major question s relate d to onboar

d safet

y whic hw e ar e attemptin

g t o answer a

t thi s point i

n ou r analysis . However , w e d o not beliov

e tha t an y o f tnes e question s wil l b e easy t o resolve , an

d w e ar e seekin g inpu t fro m yo u an d other s abou t ho w bes t t o proceed . It i s ou

r desir e to conduc t a complet e an d thoroug

hanalysis , an d to do tha t w

e desir e suggestion s fro m a s broa

d a bas e o f safet y perspective s a s possibl e abou t ho w to approac

hthps e matters . W

e woul d value you

r givin

g seriou s thought to thes e issue s an

d providin

g u s withwritten suggestions . W e woul d especiall y

appreciat e suc

hthing s a s suggeste d methodologie s w

e might follow , source s o f relevant data , o r th e identificatio

n o f similar studie s whic hhav e bee n done i

n th e past . An

y other inpu t o r suggestion s yo

u ma y hav e o n ho w w e might procee

d wit h ou r safet

y analysi s woul d als o b e appreciated . I f yo u woul d fin d i t useful , w

e woul d als o b

e happ y to mee t withyo

u to discus s thes e issue s i n mor e detail .P.1 2

- 2 -

I t i s EPA' s inten t t o addrss s th e onboar d safet yissu e i n a s timel ya . manne r a s possible

. Therefore , I woulc

. aporeci : *5t. e you r pror.p

t respons e t o thi s letter . Pleas e sen' * snv comment s yo u hav e t o Mr . Richar d Wilson , Directo r o f the Offic e o f Mobil e Sources , a t th e abov e address . In orde r fo r u s t o continu e t o kee p yo u informe d o f development s in thi s area , i t woul d b e helpfu l t o establis ha primar y staf f contac t i n you r organization . Pleas e cal l Mr . Wilson' s offic e (202-382-7645 ) wit hth e nam

e o f a contac t a t you r earlies t convenience . Than k yo u very

muc hfor you r cooperation .

Sincerely , 

# tt.
J . Crai g Potte r Assistan t Administrato r for Ai r an

d Radiatio n Enclosur eP.1 3

Question s Relate

d to Onboar

d Safet v

1 . Ho w d o w e asses s th

e increas e i

n safet y risk (i f any ) tha t ca n b e expecte

d t o resul t fro

m th e installatio

n of onboar

d refuelin

g contro l hardware ? 2 . Ho w do thee e risk s compar e i n genera l withothe r safet y risk s an

d i n particular wit hother fue l syste m change s (suc ha s fue l injection) ? 3 . Wha t safet

y engineerin

g solution s are availabl e t o eliminat e o

r minimiz e thes e risks ? 4 . Ho w muc hleadtim

e i s necessar

y to provide fo

r necessar

y safet y engineering ? 5 . Ho w d o w e asses s th

e benefi t o f eliminatin g existin

g safet y risk s whichmight occu r i n conjunctio

n wit honboar

d installatio

n (e.g. , exces s caniste r capacity , changin g fro m rea r t o sid

e fil l tanks , eliminatio n o f expose

d ven t lines) ? 6 . Ho w do w e evaluat e th

e benefit s o f th

e potentia l reductio n i n servic e station s safet y risk s (fro

m reduce

d spillage an d containmen t o f vapors) ? 7 . Wha t safet

y benefit s can w

e expec t fro

m th e volatility rule ?P.1 4



## DE C 

## 3 0 £

Mr . Eugene Schmid t Nationa l Fire Protectio n Associatio

n Batterymerc

hPar k Oulncy , M

A 0226 9
Dear Mr . Schmidt t
A s yo u know , th

e Environmenta l Protectio n Agenc

y recentl y publishe

d a proposa l t o reaulre ne w gasoline-powered vehicle s t o b e equippe

d withonboar

d refuelin

g emission s contro l hardware . I

n relatio

n to thi s proposal , comment s hav e been mad e indicatin

g tha t onboar

d system

s ma y pos e som

e safet y ris k due t o thei r increase d complexity

over curren t evaporativ e contro l systems . EP A i s presentl y

conductin

g a n extensiv

e safet y analysi s l

n a n effor t t

o addres s thes e concern s an d w e wis ht o solici t you r input o

n a variety

o f specifi c issue s relate d t o th

e safet y o f onboar

d systems . Th e enclose

d lis t represent s som e o f th

e major question s relate d t o onboar

d safet

y whichw

e ar e attemptin

g t o answe r at thi s point i

n ou r analysis . However , w e do not believ

e tha t an y o f thes e question s wil l b e easy t o resolve , an

d w e ar e seekin g Inpu t fro m yo u an d other s about ho w bes t t o proceed . I t i s ou

r desir e t o conduc t a complet e an d thoroug

hanalysis , an d t o do tha t w

e desir e suggestion s fro m a s broa

d a bas e o f safet y perspective s a s possibl e abou t ho w to approac

hthes e matters . W

e woul d valu

e you r givin g seriou s thought to thes e issue s an

d providin

g u s wit hwritten suggestions . W e woul d especiall y

appreciat e suc

hthing s a s suggeste d methodologie s w

e might follow , source s o f relevan t data , o r th e identificatio

n o f simila r studie s whic hhav e bee n done i

n th e past . An

y othe r inpu t o r suggestion s you aa y hav e o n ho w w e might procee

d wit h ou r safety

analysi s woul d als o b e appreciated . I f yo u woul d fin d it useful , w

e woul d als o b

e happ y to cee t withyo

u t o discus s thes e issue s i n mor e detail . SDSB:Mueller:Dillingham:2565Plymout hRd.:X275:12/14/87:ID*5446 W Las t reviewe

d b y Charle s Gray:12/14/8 7P.1 5

- 2 -

I t i s EPA' s inten t t o adcires s th e onboar d safet yissu e i n a s timel ya manne r a s possible

. Therefore , I vou3 c appreciat e you r promp t respons e t o thi s letter

. Pleas e sen d anycorar.ent s yo u hav e t o Mr . Richar d Wilson , Directo r o f th e Offic e o f Mobil e Sources , a t the abov e address . Than k yo u very

muc hfo r you r cooperation ,

Sincerely ,

J . Crai g Potte r Assistan t Administrato r fo r Ai r an

d Radiatio n \ Enclosur e 1 i



# i

4 

# IP.1 6

Question s Relate

d to Onboar

d Pefet y

1 . Ho w d o w e asses s th

e increas e i

n safet y ris k (i f any ) that ca n b e expecte

d t o resul t fro

a th e installatio

n of onboar

d refuelin

g contro l hardware ? 2 . Ho w do thes e risk s compar e i n genera l withothe r safety risk s an

d i n particular withothe r fue l syste m change s (suc ha s fue l injection) ? 3 . Wha t safet

y engineerin

g solution s ar

e availabl e t o eliminat e o r minimis e thes e risks ? 4 . Ho w muc hleadtim

e i s necessar

y t o provide fo

r necessar

y safet y engineering ? 5 . Ho w do w e asses s th

e benefi t o f eliminatin g existin

g safet y risk s whichmight occu r i n conjunctio

n withonboar

d installatio

n (e.g. , exces s caniste r capacity , changin g fro m rea r to sid

e fil l tanks , eliminatio n o f expose

d vent lines) ? 6 . Ho w do w e evaluat e th

e benefit s o f th

e potentia l reductio n i n servic e station s safet y risk s (fro

m reduce

d spillage an d containmen t o f vapors) ?
7 . Wha t safet

y benefit s ca

n w e expec t fro

m th e volatility rule ?