Laserfiche WebLink
1 <br /> Canepa's Car Wash <br /> September 23, 1996 <br />' Page-7 <br /> 9.0 RECOMMENDATIONS <br /> Based on the results of the SVE system evaluation and site background, Condor recommends that <br /> operation of the ICU be suspended since the system does not appear to meet APCD permit conditions(i e, <br /> 95% destruction efficiency) Condor recommends that a 150 SCFM catalytic oxidation unit (CAT-OX) <br /> I be installed at the site to extract and treat the gasoline contamination in the vadose zone The <br /> configuration of the existing SVE wells appears to be sufficient to remove a majority of the remaining <br /> gasoline contaminants in the vadose zone The system should have an organic vapor destruction efficiency <br />' of at least 95% per APCD requirements The system should be mamfolded to accommodate various <br /> combinations of SVE wells at one time The existing ICU may be appropriate for use at the site when <br /> organic vapor concentrations drop to lower levels <br />' Quarterly groundwater monitoring should continue, including analyses for TPH-G, BTEX, and MTBE <br /> The groundwater mounding beneath the site should be further investigated in an attempt to determine the <br />' source The next quarterly groundwater monitoring event is scheduled for January, 1997 If you have <br /> any questions or require additional information, please call James Wack at (209) 668-9234 <br /> Respectfully submitted, Q�pFESS10 / <br /> `�� Z ,IDIyN F� <br /> c7 <br /> t^ lull- <br /> *Fac Robert J Jo California Regis <br />' Professional Engineer, Civil <br /> #51592 <br /> Canepa U 707 Rpt <br /> I <br /> I <br /> I �i� CONDOR <br />