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Quarterly Monitoring Report April 2001 <br /> Canepa's Car Wash(Pacific Avenue) <br /> 6 0 RECOMMENDATIONS <br /> In the Report — Sod and Groundwater Investigation, dated June 12, 1998, Condor recommended <br /> additional soil and gioundwatei investigation to further characterize the extent of contamination at the <br /> I site In a faxed document dated July 28, 1998, Mr Ron Rowe of the PHS/EHD requested a work plan <br /> describing the recommended additional investigation activities In response to Mr Rowe's request, <br /> Condor submitted the Sod Boring and Monitor Well Installation Work Plan dated November 17, 1998, <br /> desci ibing proposed additional investigative activities Upon review of the work plan, Mr Rowe verbally <br /> requested that the work plan be modified to include deep aquifer characterization with a cone <br /> penetrometer Condor prepared a letter dated May 18, 1999 providing a work plan addendum describing <br /> the proposed additional deep aquifer soil and groundwater investigation <br /> In a letter to Mr Remo Canepa dated May 4, 2001 Mr Jeffrey Wong of the PHS/EHD approved the <br /> work plan dated November 17, 1998 and the work plan addendum provided by the Condor letter dated <br /> IMay 18, 1999 In the May 4, 2001 letter, Mr Wong requested the following <br /> • Submittal of a map of the proposed boring locations and proposed monitor well construction by May <br /> 20, 2001 <br /> • Restarting of the soil vapor extraction system by June 5, 2001 <br /> • 1mplerneritation of the additional site investigation by June 11, 2001, and <br /> • Submittal of a work plan describing the methodology to identify the source of the groundwater <br /> lie mounding at the site and a report of a sensitive receptor survey with 2,000-foot radius of the site by <br /> August 5, 2001 <br /> In a letter to Mr Wong dated May 14, 2001 Condor requested extensions of the due dates for the four <br /> project deliverables referenced above to June 4, July 5, July 25 and August 20, 2001, respectively In a <br /> letter dated May 18, 2001 Mr Wong approved the extensions If you need additional information or have <br /> any questions, please contact us at (209) 2340518 <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC <br /> C� <br /> Marikka L Hughes No. Wo onald F Kresse <br /> staff LiGUlUg131 *'j `� ani urri�a INA,- tercd <br /> 9 OP CA��FGeologist 4 6430 <br /> P 11707 iVlonitonng12001 Aprd\QMR4-0l doL, <br /> �� CONDOR <br />