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Second Quarter,2002 Quarterly Groundwater Monitoring Report <br /> Canepa's Car Wash,Pacific Avenue,Stockton,CA <br /> Page 4 <br /> • FUTURE WORK/RECOMMENDATIONS <br /> Continued quarterly groundwater monitoring and operation of the soil vapor extraction system using <br /> vapor phase carbon. The next quarterly groundwater monitoring event is scheduled for July 2002, and the <br /> next SVE system quarterly monitoring event is scheduled for June 2002. <br /> LIMITATIONS AND SIGNATURE <br /> This report was prepared under the direct supervision of a Registered Geologist in the State of California. <br /> The standard of care for all services performed or furnished by Condor is the care and skill ordinarily <br /> used by member of the environmental profession practicing under similar conditions at the same time in <br /> the same locality. Condor is not responsible for the accuracy and completeness of information collected <br /> and developed by others. <br /> This report was prepared for the sole use of Remo Canepa, and may not be used or relied upon by any <br /> other person(s) without the express written consent and authorization of Remo Canepa and Condor. If any <br /> changes are made or errors found in the information used for this report, the interpretations and <br /> conclusions contained herein' shall not be considered valid unless the changes or errors are reviewed by <br /> Condor and either appropriately modified or re-approved in writing. Any questions regarding the content <br /> of this document should be addressed to Don Kresse at(209)234-0518. <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC. <br /> RCL) GE4 <br /> • r-- Q�`o� F. �cls <br /> i <br /> ✓. No. 6430 <br /> r <br /> Robert J. Young 0 v'�A `Q" Don Kresse <br /> Associate Geologist 9 OF CCalifornia Registered <br /> Geologist 96430 <br /> Attachments: <br /> A. Figures <br /> 1. Location Map <br /> 2. Groundwater Elevation Contours, April 10, 2002 <br /> 3. Hydrograph <br /> 4. Benzene Iso-concentration Contours, April 10/11, 2002 <br /> 5. MTBE Iso-concentration Contours,April 10/11, 2002 <br /> 6. MTBE concentration (MW-3)vs. Time <br /> B. Site History <br /> C. Historical Groundwater Monitoring Data <br /> Table A Historical Groundwater Analyses, Canepa's Pacific (June 1994-April 2002) <br /> Soil Vapor Extraction System Monitoring and Laboratory Analytical Results <br /> D. Field Forms - <br /> . E. Certificates of Analyses and Chain of Custody Records <br /> P:11707 Canepa-PacificlQuarterly MonitoriuglApril 20G2\Canepa's Pacific QMR April 2002.doc <br /> OW %C4 <br /> CONDOR <br />