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4115 Blackhawk Plaza Circle, Suite 100, Danville, CA 94506 (925) 646-2008 Fax (925) 648-2797 <br /> • <br /> Compliance <br /> & <br /> (3closure, Inc. <br /> January 31, 2005 <br /> San Joaquin County <br /> Public Health Services, Environmental Health Division <br /> 304 E Weber Avenue, 3rd Floor <br /> Stockton, California 95202 <br /> Attention Ms Lori Duncan <br /> Subject First Quarter 2005 Groundwater Monitoring Report <br /> Quik Stop No 121 <br /> 1196 West Louise Avenue, Manteca, California <br /> (CCI Project No 12118-2) <br /> Deal Ms Duncan <br /> Compliance & Closure, Inc (CCI) is pleased to submit the First Quarter 2005 Groundwater <br /> Monitoring Report for the sampling of the thirteen ori and off-site groundwater monitor Ing wells <br /> at Quik Stop Market No 121, located at 1196 West Louise Avcnue in the City of Manteca, San <br /> Joaquin County, California (Figure 1) CCI completed the well sampling on January 20, 2005, in <br /> accordance with the requirements of the San Joaquin County Public Health Services, <br /> Environmental Health Division (County) <br /> During the past three months, the water level in the shallow aquifer at the site has increased <br /> approximately I foot, therefore, CCI was able to collect groundwater samples from 12 of the 13 <br /> wells this quarter CCI has monitored the operation of the KVA C-Sparge system (System) on a <br /> bi-monthly basis to Insure proper opet atlon For the three months ending on January 20, 2005, <br /> the System has operated a total of 1,016 hours, and since it began operating frill time on August <br /> 2, 2002, it has operated a total of 8,790 hours The System was fit with a new compressor piston <br /> valve in December and has continued to operate with no problems The groundwater data <br /> collected during January shows the groundwater contamination has been eliminated from the last <br /> remaining area around monitoring well RW-1 The results of the moitrtoruig are Included in this <br /> report <br /> The first quarter groundwater samples were analyzed foi total petroleum hydrocarbons a-, <br /> gasoline (TPHg), benzene, toluene, ethylbenzene and total xylenes (BTEX) and fuel oaygel ates <br /> Groundwater samples were collected fiom the site wells in accordance with COI's Groundwater <br /> n�4� <br />