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Canepa's Car Wash <br /> 248 East Park Street,Stockton California <br /> First Quarter Groundwater Monitoring Report,January 2004 <br /> Page 4 of 5 <br /> • Table 2—Groundwater Laboratory Analytical Results Januar 2004 <br /> FF-7-77 $ 'I E X TPH-G MTBE <br /> Analytical Method--* 8020 8020 8020 8020 8015M 8020 <br /> Reporting Units pg/L pg/L pg/L pg/L mg/L pg/L <br /> Sample I D <br /> 2038-MWI-1/28/04 1 0 <0 5 06 <1 0 Oil 88 <br /> 2038-MW2-1/28/04 51 28 37 77 55 <0 5*(8260B) <br /> 2038-MW3-1/28/04 08 <0 5 06 <1 0 02 50 <br /> 2038-MW4-1/28/04 <0 5 <0 5 <0 5 <1 0 <0 05 <5 0 <br /> 2038-N4W5-1/28/04 7,600 3,100 1,700 5,500 48 <10 0*(8260B) <br /> 2038-MW6-1128/04 <0 5 <0 5 <0 5 <1 0 <0 05 57 <br /> 2038-MW7-1128104 <0 5 <0 5 <0 5 <1 0 <0 05 <5 0 <br /> Units Anaiytical <br /> mg/L=milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene ethyl benzene total xylenes <br /> Vg/L=micrograms per liter=parts per billion(ppb) TPii-G=total petroleum hydrocarbons quantified as gasoline <br /> MTBE=Methyl tertiary-butyl ether <br /> *=MTBE was originally analyzed by EPA Method 8020 indicated value is <br /> the result of re-analysis by EPA Method 8260B <br /> FUTURE WORK <br /> The next quarterly groundwater monitoring event is scheduled for April 2004 Condor submitted a Work <br /> Plan for Additional Soil& Groundwater Investigation by Cone Penetrometer Testing, dated November 1, <br /> 2002, to the SJCEHD for approval The work described by the work plan is intended to further evaluate <br /> the vertical and horizontal extent of groundwater contamination at the site Mr Jeff Wong of SJCEHD <br /> approved the work plan in a letter dated March 18, 2003 Condor recently received a site access <br /> agreement for the off-site borings associated with the approved work and is currently coordinating the <br /> field activities <br /> CONDOR <br />