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03/1012005 15:57 5306766.Pg5 STRATUS NO CALIF..., PAGE 20/10 <br /> Battclte In Situ and Uii Sitc Biorcmedjadoo.Symposium,June 2"5,2003 <br /> TABLE 1,Summa of n ilu.X case studies <br /> Maximum <br /> Mass <br /> Distance to Groundwater c�nce���'ton Flu <br /> Receptor Velocity <br /> { a <br /> Site ft) (f`ttda <br /> San Jose(former station) none <br /> 0.34 6,600 2.9 <br /> 200{'river) 0.2 2,070 7.9 <br /> Tahoe City 5,8CO 5 <br /> Turlock Site 1 12.00 0:136 <br /> 400 0.2 2,500 4.7 <br /> Turlock Site 2 43 0.2 <br /> Carmel 600 Q.2 <br /> Los Banos 500 <br /> 2 2,000 62 <br /> 41 550 0,7 <br /> San Jose Terminal xtarie 59 <br /> Site A multiple receptors 0 5 1 100 <br /> 1 300000 3040 <br /> , <br /> Site B -fit (source) 500(creek) <br /> G 680 713 <br /> Site B -T3{dawn 100(creek)adient} 310f1 <br /> Site C(source) <br /> ut ne 0.4 390,000 <br /> SU!Vn4'1ARY <br /> Mass'-flux estimates at release sites may be a useful and economical way t4 prioritize the <br /> ass flux estimates can be used. to assist remediation <br /> need for site remediation. M <br /> decisions and to evaluate rerr� atian system performance. Masi flux:estimates can also. <br /> be used to evaluate the potential for plume migration and support the demonstration of <br /> natural attenuation.. <br /> AC IC}WLE4 DGEMENT for furtdin <br /> The authors acknowledge Chevron Environmental. 1Viana.,ement Company <br /> the investigations at thele sites land providing the data. The authors also acknowledge <br /> Angus McGrath of SECOR for ht.s assistance at the San lose Terminal. <br /> REFERENCES <br /> Borden, 1 ,C., R.A. Daniel, LE. Lear n IV, and C.W. Davis. 1997. "Intrinsic <br /> Biodegradation of MTBE and BTEX in a Gasoline-Contaminated Aquifer." Water <br /> Resources.Iiesearch 38(5):1105-1115. <br /> M.D. and: D.M. Mackay. 2001 "Predicting Impacts of GroundwaterEtnarson, � r& , <br /> contami,nation.",Environmental Science Technology, 35 3{ ) 66A-73A. <br /> C?'Reilly, K.fi.,T.E.BuschecJ;c, <br /> iA.McGrath,and R. Cochran2003. "Evaluation of Two <br /> oxygen Addition Systems."In(Situ and On-Site j,3ioremediation. In these Proceedings. <br /> Wilson, R.D., D.M. Mackay, and K.M. Scow. 2002. ,In Situ MTBE Biodegradation <br /> Supported by Diffusive Oxygen Release. Environmental Science & Technology, 36(2). <br /> 190-199. <br /> 9 <br />