P. 1



# OAR Box 1830 Prepped byOllie Stewart



### Document

Number: 

# 16) IV-B-1 2 Docket Number: 

# A-87-1 1

Printed 11/13/20087:20:51 AM Sheet 16 of 232

# ^_ y % P. 2

UNITE D STATE S ENVIRONMENTA LPROTECTIO N AGENC Y

AN N ARBOR . MICHIGA N 4810 5 

### JU N I4I98 8 OFFIC E O F AI R AN D RADIATIO N

MEMORANDU M SUBJECT :

FROM : Propose d Tes t Pla n fo r Passiv e Onboar d Refuelin g

Contro l Syste m Joh n J . Gabrysiak , Chemica l Eng i Standard s Developmen t and Supp o r t Branc h TO :

THRU : Ralp hC . Stahman , Chie f

Tes t an d Evaluatio n Branc h Joh n F . Anderson , Senio r Projec t Manage r Standard s Developmen t and Suppor t Branc h Cheste r J . France , Chie f / A Standard s Developmen t and^'Su p Charle s L . Gray , Jr. , Direct d Emissio n Contro l Technolog y Thi s memorandumdescribe s th e fina l phase s o f testin g fo r ou r simplifie d onboar d refuelin g system . Th e propose d test s shoul d addres s th e majorit yo f th e majo r concern s raise d b yth e partie s presen t a t th e recen t MVMAbriefin g o n Apri l 13 , 1988 . Specifi c scenario s mentione d a t th e briefin g whic hwer e fel t ma yaffec t th e overal l performanc e o f ou r syste minclude : usin g a hig hRV P fuel , positionin g th e tank a t variou s angle s othe r tha n horizontal , usin g dissimila r dispense d fuel/tan k fue l temperatures , and fillin g wit ha variet yo f dispensin g nozzles . I hav e broke n th e tes t pla n addres s eac ho f th e aforementione d liste d i n orde r o f priority . Al l emissio n unles s otherwis e noted . int o fiv e concerns . test s wil l "phases " whic h

Th e test s ar e measur e g/ga lP. 3

Phas e 1 Purpose : Determin e the effect s o f fue l RVP on th e system' s abilit yt o contro l refueling emissions . The testin g wil l al l b e performe d wit hstric t complianc e t o the procedure s describe d in th e NPRM , paying particula r attentio n t o fue l RV P an d temperatures . Th e following tes t matri x i s proposed : Fue l Fue l RV P (psi ) Flow (GPM) . 9. 0 10. 5 11. 5 3 TTest s 4 2 " 5 2 " 1 tes t 1 tes t 1 0 2 " 1 • 1 " Atota l o f 1 2 test s wil l be performe d in thi s phase . Assuming 3 tests/day , thi s phas e wil l tak e one wee k t o complete . Phas e 2 Purpose : Determin e th e effec t o f opening th e .05 0 inch orific e in the existing sendin g unit . Thi s may affec t shut-of f a t lo wfue l fil l rates . Th e test s propose d her e wil l be ru n according t o NPR

M procedures . Test : Ru

n a refuelin

g tes t a t bot h5 an d 1 0 GP M fue l fil l rat e wit hthe .05 0 orific e ope n an d tied int o vapo r ven t line . Fue l Type : 9. 0 RV P Federa l Tes t Fue l Temperatures : Pe r NPR M procedure s Thi s phas e consist s o f a tota l o f two (2 ) test s an d can be complete d in on e day .P. 4

Purpose : Phas e 3

Determinin g th e effec t o f tank positio n o n th e syste m abilit yt o refuel . Thi s tes t sequenc e wil l simulat e a ca r tha t i s refuelin g o n a grad e o f 10 ° fro mhorizontal . Th e onl yeffec t thi s shoul d hav e i s a sligh t chang e i n tank capacity . Althoug hn o effec t o n syste mcontro l i s expected , i t i s conceivabl e tha t th e liqui d sea l ma yb e affecte d a t lo wflow s and variou s angles , thu s emission s wil l b e measured . Th e followin g test s ar e proposed : Configuratio n 10 ° A 10 ° B 10 ° C 10 ° D Fue l flo w(GPM ) 1 Tes t 1 " 1 " 1 " 1 0 1 Tes t 1 " 1 " 1 "

FRON T O F _ . VEHI-- E

FRON T

£ID

E VlFVN /

a vehicl e o n a grad e wit hth e Toll Z L^T!\^"!^ ^t„ . rear - (se e fi g »« , The angl e fro

mhorizonta l i s 10° .P. 5

Fue l Type : 9. 0 RV P Federa l Tes t Fue l Temperatures : Pe r NPR M procedure s Thi s phas e consist s o f a tota l o f eigh t (8 ) test s an d ca n be complete d i

n thre e days . Phas e 4 Purpose : Determin e th e effec t o f dissimila r dispens e fuel/tan

k fue l temperature s on emission s an d fil l characteristics . Thi s tes t wil l simulat e the extreme scenari o o f fillin g a ho t fue l tan

k wit h cold , hig

hRV P fuel . The stoc k tan k an d the modifie d tan

k wit honboard refueling contro l wil l be tested unde r the following conditions . Fue l Type : 1 1 1/ 2 RV P Fil l Rate : 1 0 GP M Tan k Temperatur e (10%) : 100° F Dispens e Fue l Temperature : 70° F Thi s phas e consist s o f a tota l o f two (2 ) test s an d can b e complete d in on e day . No emission s wil l be measure d in thi s phase . Phas e 5 Purpose : Determin e the effec t o f conventiona l dispensing

nozzl e typ e o

n fil l characteristics . Lowflow( 5 GPM ) fina l shut-off , an d high-flow(1 0 GPM ) prematur e shut-off , wil l be examined . Al l o f ou r testin g t o dat e ha s bee n done wit ha n OPW11A nozzle . The othe r nozzle s w e wis ht o examin e ar e the Husk

y1+ X an

d Emco-Wheato n A2000 . Thes e two nozzles , alon

g wit hth

e OPW , mak e u p approximatel y9 0 percen t o f the nozzl e market . No emission s wil l be measure d in thi s phase . Dat a w e ar e intereste d in includ e the numbe r of , an d point s a t whic hnozzl e shut-of f occurs , an d gallon s dispensed . Qualitativ e observation s suc h a s occurrenc e o f spit-bac k an d functio n o f automati c shut-of f shoul d als o be recorded . Th e following tes t matri x i s proposed :P. 6

Nozzl e Typ e Husk y1+X Emco-Wheato n A200 0 I n additio n t o th e tan k wil l be tested wit h test s for eachflo

wrate) . Fue l flo wrat e (GPM ) 5 1 0 2 Test s 2 " above tests , the OPW 11A 2 Test s 2 " th e a t 5 stoc k (unmodified ) an d 1 0 GPM (ru

n 2 The test s in thi s phas e wil l evaluat e th e fil l characteristic s o f ou r syste

mpay-in

g specia l attentio n t o prematur e kick-off s an d nozzl e shu t of f upon fillin g th e tank . Atota l o f twelve test s wil l be performe d i n thi s phase . Thes e ca n be complete d in fou r (4 ) days . Asummar

yo f thi s tes t plan i s give n below , Phas e 1 2 3 4 5 Scenari o

Variou s RV

P Fuel s Ope n .05 0 orific e Variou s tan

k position s Dissimila r tank/fue l temp . Variou s nozzl e type s

Tota l Test s Test s 1 2 2 8 2 (n o emissions ) 1 2 (n o emissions ) 3 6 Atota l o f 8 work day s wil l b e required t o carr

yth e test s requiring emission s measuremen t (Phase s 1-3) . Allowing for weekl yretentio n check s an d othe r unanticipate d downtime , Phase s 1- 3 shoul d b e complete d in 3 weeks . Phase s 4- 5 can b e complete d in thre e days . Thu s a tota l o f fou r week s shoul d b e allowe d for completio n o f thi s plan . Review : Approved : Disapproved : 

## Date : J u ^ C i

## llFf Priority :

cc : Kare n Lostoski , SDS B Stan Syria , TE B Car l Fuller , TE B Ra yOuillette , TE B