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LJTOMOTIVE CASOLUIE 65-2
<br /> „
<br /> r Log (Ottani-Water Partition Coeificient) ,
<br /> PHYSICO- log K 2.13-J4 87 (*)
<br /> CHEKICAL • Soil Adsorption Coefficient, K 65-36,000,, (*)
<br /> DATA • Henry' s Law Constant (atm-m3/mai at 201C)
<br /> (continued) 4, 8 x 10 * - 3 3, (*)
<br /> • Bieconcentration Factor: no data y r( }
<br /> •C 4 t-I • _ _ _ _- _-
<br /> 'a+
<br /> IT , ` ` ,d.e ,,I° F ," �-
<br /> _— _Gasoline-,hydrocaroons-are-expected-to-be-relatively=mobile— - — -
<br /> and Ymoderately" persistent- in,most soil systems:, ` Persistence
<br /> inYdeep,soils andfground water' may be higher.,` ,,Volatiliza- '
<br /> (6 Y, ' L ! fAt r, wI11,10 " 'I, ,
<br /> tion.rphotaoxidation and biodegradationrare important fate
<br /> processes- Surface spills,'are expected to b' weathered by
<br /> PERSISTENCE ,evaporation ,acid'photoaxidation,.,'-,'Dormsward'migratFioA 'c'f ''
<br /> t �5 Wut,1 °ri 4 d „s ", r J+ ,x u - I
<br /> IN THE SOIL- weatheiced ,surface , ",� "� s _8 '" h ' ;
<br /> spilize "' sub-surface, dischar es re re-
<br /> 4TATER ! d 2
<br /> 71 1� Y 1 s , 01,1 ?fn l a 11h7!I 1 r1r� a ) it's 'i r + 1P 1g Vn f p r I l
<br /> �SYSTEti 'sentI`>a�pocenciall�threacPto lundarlying" ground',water,,' "Bid.,- ', "
<br /> 'E) 'yj i � k ., I,, ,
<br /> degradation of gasoline Ihyd'rocarboasz,;is 'expected to 'be sig-
<br /> n
<br /> ipp
<br /> sL , sib r�"S Y''Lr f 4,"„�wt^ n f� J T, r y{h' d i a .7„ '� 3 4' I'i rt r r r r,O cr
<br /> L nificant under estvirorm3erttal conditions', favorable"''to 'micro- '
<br /> r I I ,
<br /> bial oxidation; naturally-occurririg, ,,hydrocarbon-degrading
<br /> F ,h T h I ,J Y� I " h'�i YJ ,, }"
<br /> microorganisms have'been _,xsolated'-from polluted sods and,
<br /> to 'a{ lesser' extent, non-polluted sox}Ls.
<br /> rF y,IN" y.9,, �' +
<br /> I, �
<br /> r- r
<br /> �w JhA� d. 2} tl
<br /> li4t,primary"IpaehwaY ,ofl, corice�'= f"--' h- soil/ground-waciei_
<br /> k
<br /> K s stem Pis chs ,mi ration`,of7,gasolinelco, ground-water*'drinking
<br /> �J J V 14A 1, SSI st f h, , is ,
<br /> { PATHVAYS water';suppt�'ias froW leakingL'undergrousid'„storage tanks or °
<br /> OF t'large'uspiLls.` The'.u`se of this `vacer may cause inhalation
<br /> , , ” r M r . >z 'I'm
<br /> n
<br /> FO�OSZIRE exposures aswall as�ingescion and dermal exposures. Vapors
<br /> fron" leaked�,<or spilled�ga�so1Lne",'m:iY,tdiffuse -,through-soil, and
<br /> migr'ate, into,, structures,,, resultingjria inhalation exposures. ;
<br /> ' '�,�i v, -a a 15 11�'y�j^ `+• f. t" q { u
<br /> ev.,wL t wa i �.u, , i 4� "4,2
<br /> 4G sn
<br /> y ; 4 O — ,— 4
<br /> , , z � 8'" ' 'tOi1t�� ,,.,an SL1 E
<br /> w
<br /> Gaso'line'vapor'LLis` ,a°CNS,''depressant.ti L0 vapor ''eve is may pro-
<br /> m ' ` Fr h r r r , , , I F rliv
<br /> " duce flushing, staggering gest. slurred speech and mental con
<br /> �fusion. ,High_vapor levels may cause coma and death from
<br /> respiratory failure. Ingeseion and aspiration may cause
<br /> chemical- pneumonitis, pulmonary edematand hemorrhage. Gaso-
<br /> 3r', line, Ls irritating to' the, skin. conjuiictiva`and mucous mem-
<br />` HEALTH 1° Manes., "Prolonged contact may defat- thsl'skin and cause der-
<br /> 0HAZARD � matitis.1 ' �Certain individuals msy devei' hypersensitivity
<br /> DATA ,1
<br /> Toxiclry Based 'on Animal Studies:'
<br /> , t
<br /> r
<br /> LDso (mg/kg) LCLo, (mg/m1) a
<br /> oral 13 .'600 {rat1 (1924) W'inhalation (mammall (51)
<br /> skin -- no data 135,000. 5 min
<br /> Range of values' 'for representative hydrocarbons from major component classes
<br /> (See 'Table '65-3)
<br /> "
<br /> 6/87
<br /> r
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