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i <br /> Quarterly Monitoring Report,January 1999 <br /> Canepa s Car Wash(Pacific Avenue) <br /> February 8 1999 <br /> Page -S <br /> samples collected from MW-I and MW-2 Low concentrations of TPH-G and MTBE were detected in <br /> the groundwater sample collected from MW-3 Low concentrations of toluene and rPH-G were detected <br /> Iin the groundwater sample collected from MW-4 <br /> 6 0 RECOMMENDATIONS <br /> Condor recommended the additional investigative activities described ui Repori—Sod crnd Groundwater <br /> Investigation, dated June 12, 1998, to further characterize the extent of contamination at the site Mr <br /> Ron Rowe of the PHS/EHD requested a work plan describing the additional investigative activities in a <br /> faxed document dated July 28, 1998 In response to Mr Rowe's request, Condor submitted a work plan <br /> dated November 17, 1998, describing proposed additional investigative activities including the <br /> installation of additional monitor wells and soil borings The existing monitor wells at the site have a <br /> screened interval significantly below the current groundwater table surface and provide little information <br /> pertaining to the vadose zone/groundwater interface Approval of the work plan by the PHS/EHD is <br /> pending <br /> The next quarterly monitoring event is scheduled for April, 1999 Because sampling of SVE-6 was <br /> I accidentally omitted fiom the January, 1999 monitoring event, SVE-6 will be sampled in the next <br /> quarterly monitoring event scheduled for April, 1999 If you need additional information or have any <br /> questions, please contact us at(209) 234-0518 <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC vZD G o`D <br /> DOW F Iff1ESSE � <br />' N0.6430 f <br /> R David Meade Donald r Kresse qP�,� <br /> Project Geologist California Registered rk`0F CHL�FO� <br />' Geologist#6430 <br /> I <br /> PW707r, ep,n,C f_tiQ 'We 1,nne„to—gi;909 r n rn�ru i oo� <br /> !i CONDOR <br /> 1 <br />