P. 1 

# OAR Box 1147 Prepped by Ollie Stewart



# Document

Number: 

# 220 ) IV-E-9

4 Docket Number: 

# A-87-1 1

Printed 4/22/2008 2:42:58 PM

Sheet 220 of 242P. 2



# .. . V i * jf k frUNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y \$S*+-J

AN N ARBOR . MICHIGA N 4810 5 

# MA Y5198 9 OFFIC E O F AI R AN D RADIATIO N


## MEMORANDU

M SUBJECT : Briefing for NHTS AStaf f o n Onboar d Equippe d Ford

Tauru s Vehicl e FROM : TO : Joh

n F . Anderson , Seni < Standard s Developmen t Docke t A-87-1 1 o r Projec t Manage r JJ L /jLJ<^ an d Suppor t Branc h /* ^

On Apri l 18 , 198 9 a briefing wa s give n t o Dr . J.J . Li u o f NHTS Aon our applicatio n o f simplifie d onboar d refueling control s t o a Ford Tauru s vehicle . Acopyo f the briefin g material s use d i s attached . W e als o showe d Dr . Li u the vide o tap e o f our laboratoryfil l test s comparing th e onboar d ca r wit h a stoc k Tauru s an d othe r lat e mode l vehicles . Following the presentation , w e too k the vehicl e o n th e roa d fo r Dr . Li u t o observ e fil l an d driving performance . Th e fueling wa s don e a t th e Shel l ga s statio n a t Plymout h an d Broadway . Th e ca r wa s fille d b yDr . Li u wit h no problems , eve n afte r multipl e top-offs . Dr . Li u als o fuele d a stoc k 198 9 Buic k Century . Thi s vehicl e had multipl e prematur e shut-off s an d woul d onl yfue l a t a reduce d dispensing rat e (th e full-flo w dispensing rat e wa s approximatel y11. 2 gallon s pe r minute) . I t als o experience d spitbac k a t the en d o f the fill . Dr . Li u the n drov e th e Tauru s fo r approximatel y1 5 minute s o n bot h loca l street s an

d the U S 2 3 expressway . A t th e conclusio n o f th e drive , Dr . Li u commente d tha t the vehicl e drov e "jus t lik e a norma l car" . H e als o expresse d th e desir e t o se e the ca r evaluate d unde r ho t summertime conditions . Attachmen t 0315 EP. 3



# Applicatio nof Simplifie dRefuelin g Control s t oa For dTauru s Vehicl e Apri l 198 9 U.S . EP A Offic e o f Mobil e Source s Emissio nContro l Technology

Divisio nP. 4 

# Introductio n EP A ha s previousl y

applie dsimplifie drefuelingcontrol s t ofue l system s (Figur e 1 ) G HCutlas s Ciera , Spring198 8 For dTaurus , Fal l 198 8 Bot hsystem s performe da s desire d Me t propose demissio nstandar d Eliminate dspitbac k Excellen t fil l qualit y

wit hfuel s meetin gRVP an

d dispensingrat e limit s o f EP A

proposa l Simplificatio nof curren t design s 0 

# Commenter s hav e faulte dEP A

vork , for no t bein go na car G M an dFor dclaime dsystem

didn' t wor kwhe npu t ona ca r Simila r design s o nAP I car s ha dsevera l problem s Commenter s pointe dt olac ko f purg e developmen t for EP A sysie m 0 

# I nresponse , EPA

se t ou t t odevelo pa ca r base dsystem

## Figur e 1 

# Onboar d Plu s Euaporatiu e Syste m A s Rpplie d t o G M an d For d Fue l Tanks

PRESSUR E /

URCUU M RELIE F CR P N O

EKTERNR L UEN J LIN E SHORTE R URPORLIN E 

# 8. v \ MODIFIE D FLOA T/ ROLLOUE R URLU E 

# V RNT I - SPITBRC K URLU E PURG E URLU E
#



## FUE L TRN K ENLRRGE D CRRBO N CANISTE R T O PURG E INDUCTIO N POIN T

T J biP. 6 

# Vehicl e Selectio n EP A no t abl e t osignificantl y

alte r purg e system Therefore , necessary

t ofinda vehicl e whic hcoul dhandl e onboar dpurg e instoc kconfiguratio n Base dupo nrunninglos s testing , a For danda G M vehicl e wer e identifie d Low runninglosse s suggeste dgoo dpurg e Testin gisolate dth e For dTauru s a s havin gbes t purg eP. 7 

# System Definitio n Curren t in-us e condition s excee dpropose dfutur e standard s Hig hdispensingrate s Hig hfue l volatilit y Enhancement s wer e develope dt ohandl e thes e condition s Woul dno t b e neede dfor futur e vehicle s However , EP A desire dvehicl e t operform

adequatel y unde r curren t condition s Ke y area s o f improvemen t Reduce dflo w resistanc e for liqui dseal Enlarge danti-spitbac kvalv e Enlarge drollover/ven t valv eP. 8



# Component s o f Vehicl e System Liqui dsea l by

overflow tub e (Figur e 2 ) Les s resistanc e a t hig hdispensin grate s Liqui dsea l dow

nt o3 gallon/minut e Enlarge danti-spitbac kvalv e (Figur e 3 ) Locate di nfille r pip e t oallo

w us e o f overflow

tub e Productio ndesig nwoul dplac e a t fue l tan kinle t Enlarge drollover/ven t valv e (Figur e 4 ) 0.4 " orific e Secondary orific e eliminate di nfavor-o f retaining
. existingtankven t Existingtankven t upgrade dwit hproductio n"blue " valv e havin glarge r ven t orific e 5/8 " I.D . vapo r ven t line 3.5 Lcaniste r immediatel y

adjacen t t ofue l tan k System layou t show ni nFigur e 5

# FIGUR E 2 : OVERFLO WTUB EP.1 0



# FIGUR E 3 : SPITBAC K VALV EP.1 1



### *^\. . 

# 4 0 I.D . ORIFICE

FIGUR E 4 : VAPO R VEN TVALV EP.1 2



### FOR D FILLE R PIP E 5/ 8 " I.D . HOSE VAPO R VEN TVALV E

SPITBAC K VALV E
FOR D FUE L TAN K



## FIGUR E 5 ONBOAR D REFUELIN G SYSTE M

AS O N TH E FORD VEHICL EP.1 3 

# Tes t Result s 0 

# Rollove r test s of ven t valv e o nfue l tank Zer oleakag e for lef t or righ t rollove r 0 

# Refuelingemission s usingful l propose dtes t procedur e wel l below propose dEP A standar d(Tabl e 1 ) 0.0 7 a t 4 gallon s pe r minut e .0 2 at 1 0 gallon s pe r minut e N oeffect s onexhaus t emission s or driveabilit y 0 

# Sever e fue l tankslosh/carryove r evaluatio n N oliqui dcarryove r t ocaniste r 0 

# Laboratory

finabilit y comparison s (Tabl e 2 ) 14-1 5 RVP fuel , 1 5 gallo npe r minut e dispensin grat e * N ospitbac kononboar dca r * Drople t spray

andsome spitbac ko nstoc kTauru s * Othe r lat e mode l car s unabl e t ofil l a t thes e condition sP.1 4



# Tes t Result s (Con't ) Servic e stationfillabilit y

comparison s (Tabl e 3 ) 14-1 5 RVP winte r fuel s Warm springtime temperature s

- Dispensingrate s ove r 1 2 gallon s pe r minut e Onboar dcar comparabl e t ostoc kTauru s

- Onboar dcar substantiall y superio r t oGKan

d Chrysle r product sTabl e 1 Evaporative . Tailpip e an d Refueling Dat a Summar y- 198 8 Tauru s Tes t Vehicl e Vehicl e Configuratio n Tes t

Procedur e Tailpip e Emission s Evaporative Emission s tota l Refuelin g Evap . Emission s HC C O NO x 60-84° F (g/mile ) (g/mile ) (g/mile ) (g ) Ho t Soa k #1.72-96° F #2.72 0 -96° F (9 ) (9 ) (9 ) (g/gal ) 

### HP G Stoc k 198 8 Mode l Yea r Cert . 0.1 9 1.8 8 0.7 1 0.12(Diurnal ) 0.2 2 0.3 4 — 21.4 7 Stock Stock Supplementa l NPR M (N o ca p removed ) Supplementa l NPR

M 0.2 0

0.2 3 2.1 1 0.7 6 0.1 8

2.6 4 0.7 4 0.1 4 0.1 8 0.4 0 (0.25) ' 0.1 6

0.1 7 2.6 8 2.4 5

(Diurnal ) 8.2 7 8.6 7 (Diurnal ) 20.7 7 20.9 2 Wit h 3.0 L Supplementa l NPR M 0.2 0 Wit h 3.0 L Supplementa l NPR M 0.2 0 2.2 8 0.7 6 0.4 8

2.1 6 0.7 0 0.3 9 0.9 6 (0.69) ' 0.7 2 (0.40) ' 0.4 3

0.3 8 0.4 9 1.4 5

(Diurnal ) 0.3 6 1.0 8 (Diurnal ) 21.0 5 21.0 1 Tw o prod , cansiter s i n serie s Supplementa l NPR M 0.2 3 2.3 0 0.7 1 0.2 9 0.8 7 (0.70) * 0.3 9 0.2 1 1.0 8 (Diurnal ) 21.2 0
3.0 L Ca n 1/8 " PL" * (Simulated Refueling ) Supplementa l NPR M 0.2 0 2.0 8 0.5 7 0.25(Diurnal ) 0.6 2 (0.33) ' 0.8 7 0.2 2 21.3 2

3.5 L Can . 1/4 " PL" " (Simulated Refueling ) Supplementa l NPR M 0.1 8 1.6 5 0.7 7 0.49(Diurnal ) 0.8 1 (0.33) " 1.3 0 0.0 3 21.2 1

3.5 L Can . 1/4 " PL" * (Simulated Refueling ) Supplementa l NPR M 0.1 8 1.5 6 0.7 8 0.62(Diurna1 ) 0.7 4 (0.38) ' 1.3 6 0.1 0 21.3 2
3.5 L Can . 3/8 " PL" " (Simulate d Refueling ) Supplementa l NPR M 0.1 9 1.7 4 0.7 2 0.34(Diurnal ) 1.2 9 (0.98) ' 1.6 3 0.0 7 20.9 0

Value s i

n parenthese s ar e approximat e ca p remova l contributio n t o total . N D = No t Detectable . Purg e Line (PL) , interio r diamete rTabl e 1 Evaporative . Tailpip e an d Refueling Dat a Summar y- 198 8 Tauru s Tes t Vehicl e Vehicl e Tes t Configuratio

n Procedur e Tailpip e Emission s 

## Evaporativ e Emissions . lota l Refuelin g Evap . Emission s HC CO NO x 60-84° F (g/mile ) (g/mile ) (g/mile ) (g ) Ho t Soa k #1.72-96° F #2,72°-96° F (g ) (g ) (g ) (g/gal ) 

### MP G Integrate

d Supplementa l NPR M 0.1 9 1.8 0 0.7 2 0.2 7 System"* * (3. 5 L Can. ) 0.3 4 (ND) " 0.6 1 0.0 4 20.7 0
Integrate

d Supplementa l NPR M 0.1 7 1.6 6 0.6 5 0.3 0 Syste m [3. 5 L Can. ) 0.3 5 (ND) « 0.6 5 0.0 2 20.9 1 Integrate d Supplementa l NPR M 0.2 0 2.1 0 0.7 1 0.3 6 Syste m [3. 5 L Can. ) 0.2 5 (0.04) * 0.6 1 0.07*" " 21.1 7 Integrate d Suplementa l NPR M Syste m (3. 5 L Can. ) 0.1 8 1.7 2 0.7 6 0.3 4 0.3 8 (0.02) ' 0.7 2 0.0 7 21.2 5

** * Caniste r no t disconnecte d prio r t o fuelin g fo r hea t build . »«« » 4gp m

refuelin

g rat e

### Tabl e 2 I nHous e Testin

g o f Curren t Refuelin g System

s
Vehicl e Dat e Flowrat e (GPM ) Fue l Temp .

(°F ) RV

P (psi ) Comment s 198 8 Onboar d Vehicl e (For dTaurus ) 3/22/8 9

4/14/8 9 3/22/8 9 3/22/8 9 

## 1 5

1 5 1 2 1 0 76° F 13. 8 -Norma l fill .

92° F 76 ° 76° F 11. 5 -Norma l fill .

13. 8 -Norma l fill . 13. 8 -Norma l fill . 198 8 For d Tauru s (Stock ) 3/22/8 9

4/14/8 9 3/22/8 9 3/22/8 9 

## 1 5

1 5 1 2 

## 1 0 76° F 13. 8 -Fe w drop s fle

w out durin

g fueling .

- 1 teaspoo

nspitback a t firs t shut-off . 92° F 76° F 76° F 11. 5 - 2 tablespoo nspitbac k a t 2n

dshut-off . 13. 8 -Norma l fill . 13. 8 -Norma l fill . 198 7 Plymouth Relient 4/14/8 9 

## 1 5 92° F 11. 5 -Teaspoonspitbac k a t 2n dshut-off . -1/ 8 cu pspitbac k a t 3r

dshut-off . 198 9 Buick Centur y 4/14/8 9 

## 1 5 92° F 11. 5 -Prematur e shut-off s unti l nozzl e pulle dou t about aninch . -Slight sprayin

g o f fue l durin

g fill , -large spitback s a t al l 3 shut-offs .

## Tabl e 2 continue d I n Hous e Testin g o f Curren t Refuelin g System s
Vehicl e Dat e Flowrat e Fue l Temp . RV P (GPM ) (JF} (psi ) Comment s 198 7 Buic k Centur y 3/22/8 9

3/22/8 9 3/22/8 9 1 5 75° F

1 2 1 0 13. 8 -Prematur e shut-off s every tent ho f a gallo n fo r firs t 6 gallon . Pulle d nozzl e ou t slightl yt o fill . -1/ 8 cu p spitback s a t las t thre e shut-offs . 75° F 13. 8 -Prematur e shut-off s ever yhal f gallon . -N o spitback . 75° F 13. 8 -Norma l Fill . 198 7 Chevrole t Nov a 3/22/8 9

3/22/8 9 3/22/8 9 1 5

1 2 1 0 74° F 13. 8 -Prematur e shut-off s a t ever yhal f gallon . -N o spitback . 74° F 13. 8 -Prematur e shut-off s a t ever yhal f gallon . -N o spitback . 73° F 13. 8 -Norma l fill . 198 8 Chevrole t 150 0 Pic k u p 3/22/8 9

3/22/8 9 1 5

1 2 74° F 13. 8 -Prematur e shut-off s ever yhal f gallon . -N o spitback . 75 c 

## 13. 8 -Norma l fill .
7047 WTabl e 3 VEHICLE : TES T PROCEDURE :

Dat e Statio n 4/12/8 9 Amoc o

(Zee b& 194 )

4/13/8 9 Amoc o

(Zee b& 194 ) 198 8 Tauru s (Onboard ) a r Refuelin g a t Commercia l Dispensin g Dispense d Rat e Fue l fflpm ) Temp . < 8 F ) 10. 2 46. 6 (Onboard ) 10. 1 46. 6 (Stoc kTauru s

- 1988 ) 10. 2 46. 6 (Stoc kBuic k (Centur y - 1989 ) 10. 2 46. 6 (Stoc kRelian t K- 1987 )
10. 3 45. 8 (Onboard ) 10. 2 45. 8 (Stoc kTauru s

- 1988 ) 10. 3 45. 8 (Stoc kBuic k Centur y - 1989 ) 10. 2 45. 8 (Stoc kPlymout h Relian t K- 1987 ) i dStoc kVehicle s a s I d Fue l Station s
RV P *psi ) Nozzl e 11. 9 11. 9

11. 9

11. 9

11. 4 11. 4

11. 4

11. 4 Husk y

1 + X Husk y 1 + X Husk y 1 + X

Husk y 1 + X

Husk y 1 + X Husk y 1 + X Husk y 1 -4 - X

Husk y 1 -i - X entifie d

Ambien t Temp . CF ) 40. 5 40. 5

40. 5

40. 5

46. 9 46. 9

46. 9

46. 9 Initia l

Fuel i n Tan k (yal ) Under 1/ 8 tan k Under 1/ 8 tan k Under 1/ 8 tan k

Under 1/ 8 tan k
1/ 8 t o 1/ 4 tan k 1/ 8 t o 1/ 4 tan k 1/ 8 t o 1/ 4 tan k
1/ 8 t o 1/ 4 tan k Initial /

Final Tan

k Temp . CF )

——/—- *

TM""" / ~ """
__/_ _ __/_ _ Volum e

Dispense d (gal ) 13.5 4 12.3 3

14.0 7

9.8 7

11.6 6 10 . 4 3

13.2 5

10.2 2 Observation s

No fuelin

g problems . No fueling problems .
1/ 8 cu p spil l @ 2n

d nozzl e shut-off . 3r

d shut-of f no t performed . 1 0 drop spi t @ 2n

d nozzl e shut-off .

No fuelin

g problems . ••*i > fuelin

g problems .
2 drop spi t @ 1s t nozzl e shut-off . 1/ 8 cu

p spil l @ 2n d nozzl e shut-off . 3r d nozzl e shut-off , clean . 3 t o 4 teaspoo n spil l @ 2n d nozzl e shut-off . 1 5 drop spi t @ 3r

d nozzl e shut-off . - 1 -VEHICLE : TES T PROCEDURE : 198 8 Tauru s (Onboard ) an dStoc kVehicle s a s Identifie d Refuelin g a t Commercia l Fue l Station s
Qdi£_ Station Dispensin g Dispense d Rat e Fue l RV P 

### ' <qpm ) Temp . C D (psi ) Nozzl e Ambien t 

## Temp, r n Initia l

Fue l i n Tan k (gal ) Initial /

Fina l lank 

### Temp , CF ) Volum e

Dispense d 

### LsaJ J Observation s 4/11/8 9 Amoc o

(Jackson & Stadium ) 11. 9

(Onboard ) 45. 5

11. 9 45. 5 (Stoc k Pontia c 600 0 - 1989 ) 11. 5 

### OP W 36. 2 1/ 8 t o 1/ 4 tan k 51/41. 5 12.4 4

11. 5 

### OP

W 36. 2 1/ 8 t o 1/ 4 tan k No fuelin g problems .
11.7 2 Tw

o immediat e prematur e nozzl e shut-offs . 1/ 2 cup spil l @ 3r d nozzl e shut-off . 4/11/8 9 Amoc o 10. 4

(Zeeb& 194 ) (Onboard ) 47. 8 11. 8 Hushy 1 + X 45. 1 1/ 8 t o 1/ 4 53.5/43. 5 11.6 2 Prmatur e nozzl e shut-of f tan k@ 7. 8 gal . 10. 4 47. 8 (Stoc k Ford Crow nVictori a -1987 ) 11. 8 Husk y 1 + X 45. 1 1/ 4 t o 3/ 8 tan k —/ - 11.6 8 On e immediat e shut-of f wit h nozzl e full y inserted . N o fuelin g problem s wit h nozzl e withdraw n 1/ 4 inc h throug h thre e nozzl e shut-offs .



### -2 -VEHICLE : TES T PROCEDURE :

Dat e Statio n 4/10/8 9 Sunoc o

(Carpente i Michiga n - &

Av e 198 8 Tauru s Refuelin g a t Dispensin g Rat e (gpm ) 10. 8 (Onboard ) ) (Onboard ) a n Commercia l Dispense d Fue l Temp . CF ) 46. 5

10. 8 46. 5 (Stoc kPontia c 600 0 - 1989 ) dStoc kVehicle s a s I ( Fue l Station s
RV P (psi ) Nozzl e 12. 8

12. 8 OP W

1 IA
OP W II A lenti f ie d

Ambien t Temp . CF ) 40. 5

40. 5 Initia l

Fue l i n Tan k(qal ) 1/ 8 t o 1/ 4 tan k 1/ 8 t o 1/ 4 tan k Initial /

Fina l Tan k Temp . CF ) 44.5/44. 5
— / — Volum e

Dispense d (gal ) 12. 0

. 12. 7 Observation s

N o fuelin g problems .

Tw o immediat e prematur e shut-off s wit hnozzl e full y inserted . Prematur e shut-of f @ 4. 1 ga l wit hnozzl e withdraw n 1/ 4 inch . 1/ 8 cu pspil l @ 3r dnozzl e shut-off . 10. 8 46. 5 (Stoc kBuic k Centur y - 1989 . Fue l tan kdrai n i nplace. ) 12. 8 OP W D A 40. 5 1/ 8 t o 1/ 4 tan k --/ - 10. 9 On e immediat e nozzl e shut-off . Nozzl e withdrawn1/ 4 inch . 1 0 dro pspil l @ 1s t nozzl e shut-off . 1/ 4 cupspil l @ 2n dnozzl e shut-off . 3rdshut-of f no t performed .



### -3 -VEHICLE : TEST PROCEDURE :
Pdt e Statio

n 4/7/8 9 Amoc o

(Zee b & 194 )

4/10/8 9 Standar

d (Washtena

w & Owendale ) 198 8 Tauru s (Onboard ) an d Stoc k Vehicle s a s Refueling a t Commercia l Fue l Station s Dispensing Dispense d Rat e Fue l RV P (gpm ) Temp . CF ) (psi ) Nozzl e 10. 1 —— (Stoc k Buic k Centur y - 1989 . Fuel tan

k drai n i nplace ) 9. 8 48. 9 — (Onboard ) 9. 6 48. 9 — (Stoc k Chrysler mini-va n- 1988 ) 9. 6 48. 9 — (Stoc k Buic k Centur y- 1989 . Fue l tan

k drai nremoved )

11. 6 41. 3 12. 0 (Onboard )

11. 6 41. 3 12. 0 (Stoc k Chrysler mini-va n- 1988 ) 11. 6 41. 3 12. 0 (Stoc k Buic k Centur y - 1989 . Fuel tan

k drai n i nplace . Husk y 1 + X

Husk y 1 + X Husk y 1 + X
Husk y 1 + X

Emc o Wheato n A200 1
Emc o Wheato n A200 1 Emc o Wheato n A200 1 Identifie

d
Ambien t Temp . CF ) 

### 4 1

48. 2 48. 2

48. 2

30. 8

30. 8

30. 8



### -4 - Initia l

Fue l in Tan k (gal ) 1/ 8 t o 1/ 4 tan k



### 4 1/ 8 t o 1/ 4 tan k
1/ 8 t o 1/ 4 tan k

1/ 8 t o 1/ 4 tan k
1/ 8 t o 1/ 4 tan k 1/ 8 t o 1/ 4 tan k Initial /

Fina l Tan

k Temp . CF )

66.5/52. 5



### " ~

53/ —

—/_ — Volume

Dispense d (gal ) 11. 6

10.2 5 11.9 5

10. 7

11. 2

13.2 6

14.2 6 Observation s

5 t o 6 teaspoo n spil l @ 1s t nozzl e shut-off . 2n d an d 3rd shut-off s no t performed . N o fueling problems . 5 t o 1 0 drop spi t bac k @ 1s t nozzl e shut-off . 2n d an d 3r d shut-off s no t performed . Two immediat e prematur e nozzl e shut-off s wit h nozzl e fullyinsterted . No fueling problem s wit h nozzl e retracte d 1/ 4 inch , throug

h thre e nozzl e shut-offs . Prematur e nozzl e shut-off s @ 2. 4 an

d 3. 6 gallons . 2 0 drop spil l @ 1s t nozzl e shut-off . Prematur e nozzl e shut-of f < a 4. 4 gal . 1/ 4 cu p spil l @ 1s t nozzl e shut-off . 2n

d an d 3r d shut-off s no t performed .VEHICLE : TES T PROCEDURE :

Dat e Statio n 4/6/8 9 Amoc o

(Zeeb& 194 )

4/6/8 9 Mobi l

(Zee b& 194 ) 198 8 Tauru s (Onboard ) a i Refuelin g a t Commercia l Dispensin g Dispense d Rat e Fue l (gpm ) Temo . CF ) 10. 7 (Onboard ) 49. 4 10. 3 49. 4 (Stoc k Chrysle r mini-va n- 1988 ) 10. 6 (Stoc k Bu i Century - 10. 4 (Onboard ) 49. 4

c k 1989 ) 48. 2 10. 4 48. 2 (Stoc k Chrysle r mini-va n- 1988 ) i dStoc k Vehicle s a s I d Fue l Station s
RV P (psi ) Nozzl e 11.8/11. 8 11.8/11. 8
11.8/11. 8

13. 1 13. 1 Husk

y 1 + X Husk y 1 • X Husk y 1 + X

No Nam e
N o Nam e entified

Amb i Temp . 

### 4 5 4 5
4 5

52. 6 52. 6 en t C F ) Initia l

Fue l in Tan k(gal ) 

### 4. 0 1/ 8 t o 1/ 4 tan k 1/ 8 t o 1/ 4 tank


### 4. 0 1/ 8 t o 1/ 4 tank Initial /

Fina l Tank 

### Temp . Cf)

— /
— / _

63/53. 5 — / — Vo l um e

Dispense d (gal ) 10.3 5 10.9 5

12.5 8

10. 0 10.6 5 Observation s

Prematur e nozzl e shut-of f @ 1.2 6 gal . N o fuelin g problems .
1/ 4 cup spil l @ secon d nozzl e shut-off .

N o fuelin g problems . Fiv e immediat e prematur e nozzl e shut-off s wit h nozzl e full yinserted .

10. 4 48. 2 (Stoc k Buic k Century - 1989 ) 13. 1 N o Nam e 52. 6 1/ 8 t o 1/ 4 tank 

### -/ — N o fuelin g problem s whe n nozzl e retracte d b y1/ 4 inch . U . 2 1/ 2 cup spil l a t 1s t

nozzl e shut-off . 2nd and 3r d shut-off s no t performed .



### -5 -VEHICLE : TEST PROCEDURE : 198 8 Taurus (Onboard ) an dStoc k Vehicle s as Identifie d Refuelin

g a t Conmercia l Fue

l Stations


### Pat e Statio

n Dispensin

g Dispense

d Rat e Fuel RV P 

### (gpm ) Temp . CF ) (psi ) tt.ll\. Initia l Initial / Volum e Ambien t Fue l i n Fina l Tan k Dispense d Temp . CF ) Tan k (gal ) Temp . CF ) (gal j Observation s 3/30/8 9 Sunoc

o 11. 6 (Carpente r& (Onboard ) Michiga n Ave. ) 4 7 13. 1 OP W U A 48. 2 3. 0 59.5/50. 5 11.7 6 No fuelin g problem s throug h 3 nozzl e shut-offs . 11. 6 4 7 (Stoc k Tauru s

- 1988 ) 13. 1 OP W U A 48. 2 

### 4. 0 12.8 2 3 drop spil l @ 2n d nozzl e shut-off . 2 teaspoo n spil l @ 3r

d nozzl e shut-off .

—4 7 (Stoc k Buic k Centur y - 1989 ) 13. 1 OP W U A 48. 2 

### 3. 0 11.9 2 Woul d no t fue l a t highes t an d middl e nozzl e flo w rat e settings . 2n d an d 3r d nozzl e shut-off s a t highes t nozzl e setting s no t performed . 3/31/8 9 Standar

d (Washtena

w & Owendale ) 11. 9

(Onboard ) 43. 3

11. 9 43. 3 (Stoc k Taurus

- 1988 ) 11. 9 43. 3 (Stoc k Buic k Centur y - 1989 ) 12. 0 Emc o Wheato n A200 1 35. 5

12. 0 Emc o

Wheato n A200 1 35. 5 

### 3. 0
4. 0 43/4 9

12. 0 Emc o

Wheato n A200 1 35. 5 

### 3. 0 10.6 8 Prematur e nozzl e shut-of f 0 6. 9 gallons . 12.S 3 N

o fuelin

g problems .
12.4 3 1/

2 pin t spil l @ firs t nozzl e shut-off . 2n d & 3r d shut-off s no t performed .VEHICLE : 1EST PROCEDURE :

Dat e Station 3/28/8 9

3/28/8 9

3/28/8 9

3/30/8 9 Amoc o

(Plymout h R

d

Shel l (Plymouth R

d

Shel l (Stadiu m& Maple )

Amoc o (Plymout hRd . 198 8 Tauru s (Onboard ) a r Refuelin

g a t Commercia l Dispensing Dispense d Rat e Fue l (gpm ) Temp . CF ) U. 2 52. 5 )( Onboard ) (11. 9 stoc

k 52. 5 vehicl e - 198 8 Taurus )
U. O 50. 4 )(Onboard ) U. O 50. 4 (Stock Taurus )
7. 2 50. 2 (Onboard ) (9. 1 stoc k 50. 2 vehicl e - 198 8 Taurus ) 11. 4 5 4 ) (Onboard ) U. 2 5 4 (Stoc k Taurus

- 1988 ) 11. 3 5 4 (Stoc k Buic k Centur y - 1989 ) i

d Stock Vehicle s a s I c Fue l Station s
RV P (psi ) Nozzl e 12.0/ —Emc o

Wheato n 12.0/ —Emc o

Wheato n
13.1/13. 0 OP W 13.1/13. 0 OP W
12.6/ —— 12.6/ —

—Emc o

Wheato n

—Emc o

Wheato n

—Emc o

Wheato n lenti f ie

d
Ambien t Temp . CF ) 63. 4 63. 4

69. 6 69. 6

66. 1 66. 1

39. 7 39. 7

39. 7 Initia l

Fue l i n Tan k (qal ) 

### 3. 0 3. 0

3. 0 3. 0
3. 0 3. 0

3. 0 4. 0
3. 0 Initial /

Fina l Tan

k Temp . CF ) 64/54. 4 64/54. 4

68/53. 5 68/53. 5
74/5 6 74/5 6

53/4 8



### —— Volume

Dispense d (qal ) 10.7 5 10.7 5

12. 0 12. 0

13. 0 13. 0

11.7 6 10.3 3

14.0 0 Observation s

N o fuelin

g problems . Two drop spi t fro

mstoc k vehicl e @ 2n

d nozzl e shut-off . No fuelin

g problems . N o fuelin

g problems .

N o fuelin

g problems . N o fuelin

g problems .

3 dro p spil l @ 3r

d nozzl e shut-off . N o fuelin

g problem s throug h 3 nozzl e shut-offs . 4 t o 5 teaspoo n spil l @ 1s t nozzl e shut-off . 1/ 4 pin t spil l @ 2n

d nozzle . No 3r d shut-of f performed . -7 -