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# OAR Box 1147 Prepped byOllie Stewart



### Document

Number: 

# 144)IV-E-1 7 Docket Number: 

# A-87-1 1

Printed 4/22/20082:42:55PM

Sheet 144 of 242P. 2

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## R-%^ XX 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 

## JA N 5198 8

MEMORANDU

M SUBJECT : Meeting wit hGlen nMoore , OP W FROM : Joh

n W . Mueller , Mechanica l Enginee r Standard s Developmen t an d Suppor t Branch TO : THRU : Publi c Docke t A-87-1 1

Joh n F . Anderson , Senio r Projec t Manage r Standard s Developmen t an d Suppor t Branch 

# UL_

O n Novembe r 16 , 198 7 Kath ySteilen , Joh

nAnderso n an

d I me t wit hGlen

n Moore , Vic e President-Technica l Liaiso no f OPW t o discus s a varietyo f topic s related t o servic e station s an d Stag e I I vapo r recover yequipment . To open thi s meeting Mr . Moor e provide d Kath ywit hsom

e dat a o

n198 4 Californi a servic e station fires . Following thi s wa s a length ydiscussio non certificatio n o f Stag e I I system s in Californi a an d a n explanatio n o f OPW' s vapo r recover ynozzl e operation . Concerning Californi a certificatio n o f Stag e I I systems , Mr . Moor e explaine d tha t ther e ar e thre e organization s whic h generall yge t involve d inth e certificatio n process . The first , the Stat e Fir e Marshal' s office , wil l generall yapprove o f a piec e o f equipmen t i f i t i s approve d b yth e Underwriter s La ban d meet s the Nationa l Fir e Protectio n Association' s (NFPA ) cod e 30A . Underwriter s La btest s suchthing s a s th e automati c shutoff , pressur e shutof f an d insertion correctio n operatio n an d durabilityan

d wil l u p wit hin-us e testing abou t fou r time s a year . Servic e StationCode, " i s a se t o f man yaspect s o f servic e station design an d equipment . Thi s code i s designe d t o provid e guideline s throug hwhic hexplosio nan d fir e hazard s ma

ybe minimized . interlock s for generall yfollow NFPAcod e 30A , "Automotive an

d Marin e specification s coveringP. 3

Th e second organizatio n involve d i n certificatio n i s th e Divisio n o f Measuremen t Standard s (o f th e Californi a Departmen t o f Foo d and Agriculture ) whic hrun s two test s o n a Stag e I I system . Th e firs t test , known a s th e 1 0 clic k test , involve s a simulate d ga s tank whic hi s fille d u p t o th e nozzl e sensin g por t triggerin g automati c shutoff . Afte r th e shutof f ha s bee n triggere d o n attemp t i s mad e t o tur n o n th e nozzl e 1 0 times . N o mor e tha n 0.1 0 gallon s o f fue l i s allo wt o flo wdurin g thes e te n "clicks" . Th e second tes t performe d b yth e Divisio n o f Measuremen t Standard s i s performe d o n a rando msamplin g o f 30 0 vehicles . Afte r eac hvehicl e i s refuele d th e vapo r lin e i s draine d t o determin e ho wmuc hliqui d fue l i s lef t i n it . Th e amoun t o f fue l lef t i n th e vapo r lin e afte r eac hrefuelin g even t canno t excee d 0.2 0 percen t o f th e tota l fue l dispense d t o tha t vehicl e and th e tota l amoun t o f fue l lef t fo r al l 30 0 vehicle s canno t excee d 0.0 2 percen t o f th e tota l dispense d t o them . Th e las t group t o tes t a Stag e I I syste mi s th e Californi a Ai r Resource s Boar d whic hperform s a tes t t o evaluat e th e efficienc yo f th e syste ma t capturin g refuelin g emissions . Th e primar ypurpos e fo r Mr . Moore' s visi t wa s t o explai n ho wth e variou s feature s o f th e OP W11- V vapo r recover ynozzl e functioned . Fo r thi s purpos e h e ha d a cutawa ynozzl e whic h clearl ydisplaye d th e movin g part s o f th e pressur e shutof f and portion s o f th e insertio n interlock . Thi s nozzl e mad e i t muc h easie r t o visualiz e th e operatio n o f thes e features . Glen n state d tha t w e coul d borro wthi s nozzl e i f w e fel t i t woul d b e usefu l fo r presentations .