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# OAR Box 1846 Prepped by Ollie Stewart



### Document

Number: 

# 5 ) ll-B- 2 Docket Number: 

# A-90-0 7

Printed 11/18/20087:30:14 AM Sheet 5of 93' * /

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## #-6-2 . P. 2



### FE B 5199 0

SSMOPAHPU

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SUBJEC T 

### , $ %3l - ' \yy\ y fr

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Analysi s o f

Afterraarfce tWtfe l VJditive o containin g Methano l
FRO" ?

T O - T'ff'orj . Jarce s D . Greaves , Mechanica l Enginee r

Standard s Developmen t an d Suppor t Branc h Charle s ".. . r,ra

yJr., Directo r ^Missio n Contro l Technolog yDivisio n Slen n vr . ?aesavant , Senio r Projec t Manage r Standard ? Developmen t an d Suppor t Branc h Cheste r J . France , Chie f standard s Developmen t and Suppor t Branc h
Arecen t studyo f methano l us e Zn consume r product s suggeste d that , antcsotlv e application s -;ccoun t fo r a larg e numbe r o f th e curren t consume r pr o Act s whic h contai n methanol.P ] Mso , a studyc f methano l poisonin g i n th e a . 3 . suggeste d cha t abus e an d disus e o f autcaotiv e relate d product* ! i s involve d i n abou t one-hal f o f th e methano l poisonin g incident s reporte d eac h year.12 1 Thus , i n fc. 1 low-u p t o thes e tw o point s w e hav e preparer * th e attache d characterizatio n o ? methano 1 us e i n afterrcarVe t fue l additives . Alis t o f aftermarke t fue l additive s whic h contai n methane ! wa s obtaine d fro n PO?D' s Fue l an d Fue l Addtti*« » M9i«tra.tio n dat a iase . A n analysi s o f th e ''n. i show'.- ; {li||; : tfe*r * ar e currentl yabou t n * aftermarke t fue l additiv^f e whic h ccntai n methanol . 7 V < ? concentratio n o f methanol ' h& aot t o f the a i s generall yeithe r ver yhig h o r i t i s low . O f th « ??" J registere d aftermarke t additive s containin g methanol , a * product s hav e a concentratio n greate r tha n ? 0 percen t whil e 8 5 product s hav e a concentratio n o f les s tha n 3 9 percent . Th e distributio n o f th e fue l additives ' sethano T SDSB:GREAVES:Tolonen:256 5 Plymout h Rd.:X208:1/22/90:ID#:7880 W Las t reviewe d byCharle s Gray :P. 3

concentratio n i s show n i n Figur e 1 o f th e attache d analysis . A^raoa t al l O f th e fue l additive s containin g a htg n concwtroUo no f methano l ca n b e classifie d int o th

- followin g cat«qoirU« : tnml

lin e antifreeze , aasoltn e treatment , octan e booator , o r carbureto r o r fue l injecto r cleaner . Th e *xar t >r*akdow n int o categorie s i s shown i n Figure s 2 an d F^gv.r ? 3 o , th e attache d analysis . Pleas e contac t w e i f v 0 u "ave an y questions . .\ttachraen

tP. 4

Analysi s o f Aftermarlce t Fue l Additive s Containing Methano l

U . S . EP A Jame s D . Greave s December , 198 9P. 5

-2 - A numbe r of consumer product s whichcontai nmethano l ar e bein g soldas aftermarke t fue l additive s fo r gasoline an

d diese l fuels . Thi s repor t describe s a nanalysi s of thes e fue l additive s an

dpresent s som

e of thei r characteristic s as a group . I norder fo

r a fue l additiv

e t o be legally

sol di

nthi s country , i t mus t be registere dunder EPA' s Fue l an dFue l Additive s Registratio nProgram . Manufacturer s ar e require

d t o defin e th e chemica l content an drecommende

dpurpose s of thei r product s o

nth e registratio

nform . A

listin

g of thi s registratio

ninformatio

nfo r al l o

f th e aftermarke t fue l additive s containin g methano l wa s use dto formulat e th

e present analysis . Ther e ar

e approximatel y

21 5 different fue l additive s containin

g methano l currentl y o nth e market . A

breakdow

nof th e numbe r of product s b

y concentratio

nrange i s presentedi n Figur e l . As ca

nbe see

nfro m th e graph , th

e distributio

ni s bimodal , wit h8 6 product s (abou t 4 0 percent ) containin g 9 0 percent o

r mor e methano l an d8 5 product s (abou t 4 0 percent ) containin

g 3 0 percent o

r les s methano l b

y volum e concentration . Almos t al l of th

e fue l additive s ca nbe categorized , by. thei r produc t name , t o hav e on e of th e followin

g primar

y uses : fue l lin

e antifreeze , gasoline treatment , octan e booster , o

r carburetor , choke , o r fue l injecto

r cleaner . Figur e 2 shows suc ha categorizatio

nfo r thos e fue l additive s whichcontai na t leas t 5 0 percent methanol . Th e "other " categor y represent s product s whos e purpose s wer e no t amon g th e mai ncategories , o r whos e nam

e di dno t sufficientl y indicat e into whic hcategor y the product s belong . Th e fue l additiv

e categorie s ar

e further brokendow nb y methano l concentratio ni nFigur e 3 . I

nthi s grap

hth e categorie s ar

e divide

dinto three parts , low , medium , an dhig h concentrations , whichrepresent th e fractio

nof th

e number of product s o f tha t categor y wit hth

e givenmethano l concentrations . For example , of th e 6 7 fue l lin

e antifreezes , onl y a fe w hav e lo w o r mediu

m methano l concentrations , whil e th e majority

hav e hig hconcentrations . Anothe r wa

y of categorizin

g th e fue l additive s i s throug h th e recommende

dusage informatio nsupplie

db y th e manufacturer s o nthe registratio

nforms . Th

e manufacturer s designate , fro m a lis t o f purpose s supplie do nthe registratio nform , the purpose s fo

r whichthei r product s are intended . A produc t ca

n hav e an y number o f recommende dpurposes , an

dthi s informatio

n i s generall y

accepte

dwithou t question . Tabl e 1 present s a complet e lis t o f thi s informatio nfo r al l of th

e aftermarke t fue l additive s tha t contai nmethanol . A number of manufacturer s recommen dthei r product s fo r numerou s uses . Thi s practic e limit s th e effectivenes s o f th e recommende

dpurpos e informatio nsince , inman

y instances , the produc t wil l be a les s efficient substitut e tha t i s minimall yP. 6 -3 - 

# Distributio n o

fFue l Additives ' Methano l Concentratio n Cone . 90-100 % I 

## 80-90 % I 70-80 % | 

## 60-70 % 1 

# 1 8 

# 1 8 1 9 50-60 % 40-50 % 30-40 % 20-30 % 10-20 % 0.1-10 % 2 0 4 0 6 0 8 0 10 0



## Numbe r o

fProduct s Figur e 1 .

# Fue l Additiv e Use s fo r products whos e methano l concentratio n i s greate r tha n 50 % Ga s Lin e Anti-freez

e 6 2

Ga s Treatmen t 2 2 Othe r 6 F l & Carb . Cleaner* 9 Octan e Treatmen t 1 8 i i



### Figur e 2 . * F l stand s fo rfue l injecto r

# Breakdow n o f fue l additiv e use s

b yproduc t methano l concentratio n

FL * Antifreez e (67 ) Cleaner s (68 )

Octan e T'ment s (27 )

Othe r (22 ) 0 % 25 % 50 % 75 % Fractio n o

fproducts wit h give n cone . Produc t Meth . Cone. [Z 2 Low(0.1%-33%

) H i Mediu m (34%-67% ) i U l I



### 100 %

IX 3 Hig h (68%-100%

)
Figure 3 . * F L stand s fo r "fue l line "

c oP. 9 -6 - Tabl e 1 . Manufacture r Recommende dUse s o f Aftermarke t Fue l Additive s tha t Contai n Methano l X Methano l B H I M N U 90-10 0 80-9 0 70-8 0 60-7 0 50-6 0 40-5 0 30-4 0 20-3 0 2

8 5 4 10-2 0 0.1-1 0 7 8 2 1 1 0

3 1 1

1 1

1 1 1 1 1 1 1 9 11 1 3 1 6 2 3 1 3 3

3 3 2 1 7 2 3 1 2 3 2 1 2 3 1 6 1 5 4 4 1 2 1 3 5 2 3 1 1 1 1 1

1 1 2 1 2 3 2 2 3 2 4 4 2 5 2 2 1 4 5 1 3 1 2 1 5 2 2 1 Tota l 12 6 4 1 0 1 5 1 3 8 5 6 4 0 3 9 8 1 1 2 3 1 5 2 1 9 2 8 5 7 1

A Anti-icing agen t B Antiknoc k wit hscavenge r C Anti-oxidan t 0 Antistal l agen t E Antistati c agen t F Cetan e improve r GCombustio nimprove r (antismok e agent ) H Corrosio ninhibito r 1 Deposi t modifie r J Oetergen t KGu m solven t I Maskin g o r odorizin g agen t M Meta l deactivato r M Pou r depressan t 0 Sedimen t inhibito r P Stabalize r o r dispersan t Q Uppe r cylinde r lubrican t ROctan e enhance r S Chok e cleane r T Valv e cleane r UOthe rP.1 0

-7

- beneficia l fo r man yo f th e recommende d purposes . On e wa yo f eliminating thi s "noise " i n th e dat a i s t o ignor e th e produc t usag e categorie s fo r whic h onl ya fewproduct s ar e recommended . I f th e produc t usag e categorie s i n whic h les s tha n twent yproduct s hav e claime d applicabilit yar e ignored , nin e categorie s remain . Thes e represen t th e th e mos t prevalen t purpose s o f aftermarlce t fue l additive s whic h includ e methanol , an d the yar e listed , i n descending order , i n Tabl e 2 .P.1 1

-8 -

Tabl e 2 . Mos

t Frequentl y Recommende d Purpose

s fo r Fue l Additive s Whic h Contai n Methano l A Anti-icin g agen t KGu m solven t S Chok e cleane r H Corrosio ninhibito r I Deposi t modifie r JOetergen t GCombustio nimprove r (antismok e agent ) ROctan e enhance r P Stabalize r o r dispersan t 7880 WP.1 2

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- Reference s 1 . "Investigatio n o f Methano l Us e i n Consume r Products, " EP AMemo fro mSher i Dunatchik , EPA , OMS , SBSD , t o Charle s Gray , EPA , OMS , ECTD , Novembe r 15 , 1989 . 2 . "Acut e Exposur e t o Methano l i n Fuels : APredictio n o f Ingestio n Incidenc e an d Toxicity, " Litovitz , Toby , M.D. , Director , Nationa l Capita l Poiso n Center , Octobe r 31 , 1988 .