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f <br /> 4 lackhawk Plaza Circle, Suite 100, Danville, CA 94506 (925) 648-2008 Fax [925] 648-2797 <br /> • <br /> Compliance <br /> Closure, Inc <br /> April 24, 2003 <br /> MAY 0 7 2003 <br /> San Joaquin County ENVIRONMENT HEALTH <br /> Public Health Services, Environmental Health Division PERMIT/SERVICES <br /> 304 E Weber Avenue, 3rd Floor <br /> Stockton, California 95202 <br /> Attention Ms Lor► Duncan <br /> Subject Second Quarter 2003 Groundwater Monitoring Report <br /> Quik Stop No 121 <br /> 1196 West Louise Avenue, Manteca, California <br /> (CCI Project No 12118-2) <br /> • Dear Ms Duncan <br /> Compliance & Closure, Inc (CCI) is pleased to present the Second Quarter 2003 Groundwater <br /> Monitoring Report for the sampling of the thirteen on and off-site groundwater monitoring wells <br /> at Quik Stop Market No 121, located at 1196 West Louise Avenue in the City of Manteca, San <br /> Joaquin County, California (Figure 1) CCI completed the well sampling to gpcordance with <br /> requirements of the San Joaquin County Public Health Services, Environmental Health Division <br /> (County) on April 10, 2003 During the past three months, sufficient winter rqlps have rechai ged <br /> the shallow aquifer at the site, allowing CCI to collect groundwater samples from all thirteen <br /> wells this quarter CCI has monitored the operation of the KVA C-sparge system on a bi- <br /> monthly basis to insure proper operation Elie System;waa not operational for approximately <br /> one month due to a failed compressor The System was repaired and operational on Maich 18, <br /> 2003 For the three months ending on April 10, 2003, the System has operated a total of 612 <br /> hours Since the System began operating full time tib`August 2, 2002, the System has operated a <br /> total of 3,568 hours The groundwater data collected during AprXJ suggest the System is having a <br /> positive impact on groundwater conditions at the site OThe results of the monitoring Iate included <br /> to this report ' + <br /> The second quarter groundwater samples collected oa April 10, 2003 wexe analyzed for total <br /> petroleum hydrocarbons as gasoline (TPHg), benzene, toluene, et;,by�,benzcxre and total xylenes <br /> (BTEX) and fuel oxygenates Groundwater samples were collected fxom+Che site wells in <br /> accordance with CCI's Groundwater Sampling Protocol (Appendix A) The gounowater purged <br /> 9 <br />