Laserfiche WebLink
Canepa's Car Wash <br /> 248 East Park Street,Stockton,California <br /> First Quarter Groundwater Monitoring Report,January 2006 <br /> Page 4 of 5 <br /> Table 2—Groundwater Laboratory Analytical Results (January 17,2006) <br /> B T E X MTBE Other Oxygenates/ TPH-G <br /> Additives <br /> Analytical Method--* 8260B 82605 8260B 8260B 8260B 82608 8015M <br /> Reporting Units—> gg/L µg/L gg/L gg/L gg/L gg/L mg/L <br /> Sample 1 D <br /> MW-1 <br /> <0 5 <0 5 <0 5 <I 0 <0 5 <0 5-<5 0 <0 05 <br /> MW-2' 97 11 31 68 <5 0 <br /> <5 0-<50 70 <br /> MW-3 <br /> <0 5 1 <0 5 <0 5 <1 0 <0 5 <0 5-<5 0 0 073 <br /> MW-4 <br /> <0 5 <0 5 <0 5 <1 0 <0 5 <0 5-<5 0 <0 05 <br /> MW-5* 7,400 1 770 2,200 5,600 <100 <br /> <100-<1000 420 <br /> MW-6 <br /> <0 5 <0 5 <0 5 <1 0 2 1 <0 5-<5 0 <0 05 <br /> MW-7 <br /> <0 5 <0 5 1 <0 5 <1 0 1 1 <0 5-<5 0 <0 05 <br /> Units <br /> gg/L=micrograms per liter=parts per billion(ppb) <br /> mg/L=milligrams per liter=parts per million(ppm) <br /> Constituent levels in bold indicate concentration levels above laboratory reportable hunts <br /> Analytical <br /> B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> MTBE=Methyl tertiary-butyl ether <br /> TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> *=Sample diluted due to high concentration of target analytes and/or high organic content <br /> Other oxygenates/additives= tertiary-butanol (TBA), di-isopropyl ether(DIPS) ethyl tertiary-butyl ether(ETBE),tertiary-amyl methyl ether <br /> (TAME),1,2-dichloroethane(1,2-DCA),and 1,2-dibromoethane(EDB) <br /> FUTURE WORK <br /> The next quarterly groundwater monitoring event is scheduled for April 2006 In the Additional Soil and <br /> Groundwater Investigation Report and Work Plan Addendum, dated July 12, 2004, Condor recommended <br /> and described the installation of five multi-screened, discreet depth monitor wells at the Site to further <br /> investigate the lateral and vertical extent of groundwater contamination Installation of the wells is <br /> pending the approval of the work plan addendum by the SJCEHD <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 members of the environmental profession practicing udder similar <br /> conditions at the same tune in the same locality Condor is not responsible for the accuracy and <br /> completeness of information collected and developed by others <br /> • <br /> �/� CONDOR <br />