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r) Y <br /> Third Quarter(2003 Annual Event)Groundwater Monitoring Report <br /> Canepa's Car Wash Pacific Avenue,Stockton,CA <br /> Page 4 <br /> Table 3 <br /> Groundwater Sample Laboratory Analytical Results (August 1 and 4, 2003) <br /> Constituent Benzene Toluene Ethyl BenzenTotal MTBE Gasoline <br /> e <br /> MCL 1 µg/L 150µg/.. 700 L TYH-G Xylenes 13µg/L Oxygenates/Additives <br /> Analytical Method-), 8260B 8260B 8260B 8260B 8015m 8260E 8260E <br /> Reporting Limits-4 0 5µg/L 0 5 1tg/L 0 5µg/L 1 0µg/L 005 05 05-20,000 <br /> Sample 1 D mg/L µglL <br /> µg/L <br /> 1707-MW-1-8/1/2003 590 5 4 <0 5 115 22 220 <0 5-20 <br /> 1707-MW-2-811/2003 5,300 230 570 1,074 44 <1 0 < 1 0-40 <br /> <0 5-20 <br /> 1707-MW-3-8/4/2003 <0 5 <0 5 <0 5 <1 0 <0 05 660 160(1,2-DCA), 110(TBA), <br /> l 3(TAME) <br /> 1707-M W-4-8/412003 <0 5 <0 5 <0 5 <1 0 0 054 <0 5 <0 5-20 <br /> 1707-MW-5-8/4/2003 3 9 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> 1707-MW-6-8/4/2003 <0 5 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> 1707-MW-7-8/4/2003 <0 5 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> 1707-MW-9-8/1/2003 <0 5 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> 1707-MW-10-8/112003 <0 5 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> . 1707-MW-1 1-8/l/2003 <0 5 <0 5 <0 5 <1 0 <0 05 8 6 <0 S-20 <br /> 51 TBA <br /> 1707-MW-12D-8/1/2003 <0 5 <0 5 <0 5 <1 0 <0 05 <0 5 <0 5-20 <br /> 1707-SV -8/l/2003 80,000 80,000 4,400 20,200 500 550,000 <500-20,000 <br /> 80,000(TBA) <br /> Units AndlYLILdt <br /> mg/L=milligrams per later=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> pg/L=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary butyl ether(MTBE),ethanol, <br /> tertiary butanol (TBA), di-isopropyl ether (D1PE), ethyl tertiary butyl ether <br /> (ETRE), tertiary amyl methyl ether(TAME), 1,2-dichloroethane (1,2-DCA), <br /> 1,2-dibromoethane(1,2-EDB) <br /> SOIL VAPOR EXTRACTION SYSTEM <br /> The SVE system has not been sampled since December 19, 2002 The system was shut down on January <br /> 31, 2003 to allow modifications to the system and property development Since that time, Condor has <br /> conducted planning and preparation for upgrading the system and installing a groundwater pump and treat <br /> system that will operate in tandem with the upgraded SVE system Condor anticipates that SVE <br /> operations will reinitiate in the late summer of 2003, following approval by the SJCEHD of the remedial <br /> design Please reference the following section for additional information regarding the anticipated <br /> remediation <br /> • <br /> 1 j <br /> �� CONDOR <br />