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10/12/1995 20:44 9163519357 AWT M FARR PAGE 14
<br /> Cotex�eteWado
<br /> M/n t3�pr�e pi I Sd+r
<br /> Aero •r sa.rsr
<br /> Nook&
<br /> ourur !'«a Baa
<br /> adm*r'L waAL p 0117 MONS
<br /> To
<br /> Loo V"M M R 33 wit
<br /> rteraah
<br /> Ar^ a�9a•waa
<br /> efiwva
<br /> tr.rAbs aEae p r M U40
<br /> 0 1Q ao 30 40 90 00 70 00 90 too
<br /> PERCENTAGE OF VAW.3 WITH MTBE
<br /> Figura aL The frequency of outect on of MTBE for each urban tdady arec
<br /> and theta are few data showing concentrations of MTHE at Reiadilisa t,'Pony.1995.A new formaula for fighting urban
<br /> these deeper depth Of the urban monitoring wells tested, ozone.Environmental Science and Teci oology,v 29,oo 1
<br /> about 24 parreat bad coneentabous of MTBE maging from p 36A•41A.
<br /> 0.2 to0 0 L,and 3 percent bad concentrations exceeM Government of Canada, 1992,Canodou Eavirournenal
<br /> 10S 20P� Ptoaaftoa Act.Pnonly substsaces list,assessment iepart
<br /> What aro the implications of this study? no S,tmetbyl tarbarf4myl other Onawa,Canada. 19 p
<br /> NAWQA dols show tial WBE is found ptsdominatitbr Mooleoaar.R t,HeAlia.BJ,Ashley,D L,MKU&ugb.
<br /> In sballow pomd water in urban areas,however:utas J P,and Etrel,R-A, 1994,Methyt ternary butyl ether in
<br /> questions need to be answered.For example human blood ager exposure to oxygenated fuel in
<br /> Ptsubaola.Alaska Aerluves of Eavuonmental Heartb.
<br /> (!)Ga MTBE in shallow ground water be meed to Sian- �,ria.S. 402409.402409.point mobile scuran,such as vehicle emissions?Alterns- v p
<br /> tidy,hors much MTBE in shallow ground water a due to US Environmental Protoetion Agcory, 19%.Health Risk
<br /> polat-soowe spills or laivng undergsonod stotaae taalns Perspectives an Rud Oxygenates Office o[Research and
<br /> (2)Do other fuel oxygenates oecirr is sba ibw pound DaweiopOMM.EPA report no.EPA/600/R-941217.
<br /> waterin uibana nw? Washrngtoo,D.C.
<br /> (3)What is the fait of MTBE aid of er possible oxygen- U-S Favivo menal Protection Ageaicy, 1994,Assmineat
<br /> Nes to shallow ground water,will these oxygemon degrade of Potential Health Rolm of Gasoline Oxygenatrd with
<br /> over time due to natant processes,or will they acatmulate Methyl Tataaty Butyl FAticr(KMF.,Oflice of Research
<br /> in V=nd water? and Devobpmeat.EPA wpon so PYN600/rt-931206, _
<br /> (4)What are the cooceatabom of MTBE and admaxy- WMInnston,D.0 - --—
<br /> sonatn in the air.is pndpoatioo,and ten slate water in —Paid J Sgaritlace,Daryl?A.Pvpe,and Camila V Price
<br /> urban areas?Is MTBE transported to gtoaud wstar by ULM- Xtdormatioa on teebokd capons and hydrologic data
<br /> tration of predpitsuoo? related to NAWQA can be obbilm d frogn.
<br /> The U S Owloj al Sarver will be wotlnug on these NAWQA VOC Nattional Sye thesis
<br /> quesboos au eo,1 M04M with city and state orgamzaaoas, U.S Geolopal Survey,WRD
<br /> and other Federal agencies. 1608 ML View Rd.
<br /> Suggestions for further reading Rapid Gry,5D 5WO2
<br /> Leahy,P.P.and Tbompean.Tiii., 1994.U S t eobyal Aadidooal biformatlon on NAWQA and other U.S,
<br /> Survey Kabooal Water-Quabty Assessment Proparo^U S Geologleml Survey programs can be found by accariing
<br /> GeobBraI Survey Open-File Report 94-70.4 p the NAWQA 'hoaae passe•on the World Wide%eb at
<br /> "kl�r//trrvwrranaewtrsSs.iar'/nars'a,�a/warwga�r�awt
<br /> MoMJ Ile,M.R..I.rn.SM.gad 9dhta,J.M, 1994, alnsL•
<br /> Apaerobic biodepadatlon of gasoline oatygamates--
<br /> extrapolation of information to raulople care and redox Additional Information on bealtb erects of MTBE and
<br /> . condrtioas EnvimA menta!Seems and Twhoology,v 2s, drinking Wolter regulations can be obtaiocd by calling
<br /> no 9,p 1727-1732 EPA's We Drinking Water Hotline 140042547111.
<br /> Mwd+ 1996
<br /> U 2 OwdaOcal tarwy,F+or a,..a FV 114.96
<br />
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