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First Quarter 2006 Groundwater Monitoring Report <br /> Eckert Cold Storage,Manteca,California <br /> Page 4 <br /> Table 2—Groundwater Sample Laboratory Anal 'cal Results (March 29,2006 <br /> GASOLINE OXYGENATES/ADDITIVES <br /> B T E X TPH-G <br /> MTBE Other Gasoline Oxygenates/Additives <br /> Units: Nom- µg/]- ug/L µ€(- mg/L 11P/- n/L <br /> Analytical Method: 826013 8260B 8260B 8260.E 8015M . 8260B 8260B <br /> Sample I.D.ISample <br /> Date <br /> MW-1103-29-06 62 2.7 66 97 1.2 1.3 X0.5—5.0 <br /> MW-5103-29-06 <0.5 X0.5 X0.5 X1.0 0.081 7.7 27(TBA);5.6(1,2-DCA) <br /> Units: Analytical: <br /> mg/L:milligrams per liter,parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total.xylenes <br /> pg/L:micrograrns 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-isopropyi ether (D1PE), ethyl tertiary butyl ether <br /> (ETBE),tertiary amyl methyl ether(TAME), 1,2-dibromoethane(EDB), 1,2- <br /> dichloroethane(1,2-DCA) . <br /> 0=all other oxygenates/additives were not detected at or above the laboratory <br /> reported detection limits <br /> FUTURE WORK <br /> The next quarterly monitoring event is scheduled for June 2006 and will include sampling of monitoring <br /> wells MW-5 and MW-8. <br /> LIMITATIONS AND SIGNATURES <br /> This report was prepared under the direct supervision of a Certified Hydrogeologist in the State of <br /> California. The standard of care for all services performed or furnished by Condor is commensurate with <br /> the care and skill ordinarily used by a member of the environmental profession practicing under similar <br /> conditions at the same time in the same locality. Condor is not responsible for the accuracy and <br /> completeness of information collected and developed by others. <br /> i <br /> i4M CONDOR <br />