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File Edit Go To Favorites Help <br /> Search Favorites <br /> - ---------- <br /> Address hrrp;, 1F;i;vatarb y d=.'-:' 7r„ ar !rP rri1538y5o048/T0607700.504,PDF GoLinko Links j <br /> ve a Copy , - J� Select : ._ 111°0 + z. Create ao - - <br /> _ Adobe PDF online <br /> -i U4 bast W e er Avenue, 3 rd P loor � <br /> Stockton,CA 95202 <br /> RE: Former Thrifty Oil Co.Station#172 <br /> C_'ircic K Station 002705449 <br /> 7647 Pacific Avenue <br /> Stockton,CA 95207 <br /> Beach Scale Test Report and Implementation of Ozone Remediation Workplan of I <br /> Dear Mr. Infurna: <br /> Enclosed herein is the Bench Scale Test Report and Implementation of(hone Remediation <br /> Workplan,dated January 24,2008,prepared by GeoHydrologic Consultants,Inc. for former Thrifty <br /> Oil Co. (Thrifty) Station #172 located at 7647 Pacific Avenue, Stockton, California. The ozone <br /> bench scale study demonstrated that site petroleum hydrocarbons in soil and groundwater can be <br /> successfiilly destroyed with ozone treatment;however,ozone sparging generated concentrations of <br /> « Chromium VI and bromate that exceeded the California MCLs for these compounds. Therefore, <br /> based on these results,ozone sparging is no longer being proposed for this site. It is recommended <br /> that the existing remediation system be modified so that thegroundwater system can effectively <br /> remove all oxygenates to levels now required by the new discharge permit issued by the City of <br /> Stockton. If this approach is acceptable,Thrifty will submit a separate Workplan for Remediation <br /> System Modification, for review and approval by the San Joaquin County Environmental Health <br /> Department. <br /> _...:J 71 <br /> 1 of 172 _ 'J <br /> Done - - <br /> lJnknown Zone r <br /> )https:jfesi.waterboards,ca.goy/geo_r-Gor,(15ti2956048/T0607700504.PDF . ID Internet <br /> - ----- -- —- <br /> Start �� Inbox-Microsoft Outbok AB2886 R,e ulat rS-Mir„ https;J/esi waterboards. I r p <br /> KJ g -, htt s:;/esi.waterboar... « jam 2:07 PM <br />