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Upgradien., Environmental C-asultants September 10,2002 L�-:lI Mr.Michael.Infuma PHS/EHD SEP 12 2002 P.O.Box 2009 Stockton,CA 95201 ENVIRONMENT NEALI I'i PERMIT/SERVICES Subject: Kwikee Food Mart 2081 Country Club Boulevard Dear Mr.Infurna: Gettler-Ryan,Inc.contacted me in late July or early August to schedule the joint monitoring at 2103 and 2081 Country Club Boulevard for the third quarter of 2002. I informed Gettler-Ryan that we had received a directive from your office in January 2002 to perform two additional quarters of groundwater monitoring at this site.Those two monitoring events took place in February and May of this year,and reports were submitted to your office in March and July.I also informed Gettler-Ryan that we were waiting for a response from your office before scheduling further monitoring at Kwikee Foods,and therefore could not comply with their scheduled monitoring date. It is our understanding that County-State Local Oversight Programs specify that the regulatory agency has thirty(30)days to submit written comments to the Responsible Party regarding recommendations made on the RP's behalf by consultants in site reports.It has now been approximately 60 days since the Second Quarter Report was submitted and more than 120 days since the First Quarter Report was submitted,and no response has been received. In both reports,as in previous reports,we concluded that groundwater contamination at Kwikee Foods is due to migration from the former Chevron site at 2103 Country Club Boulevard. We discussed 2002 data that demonstrate that when the remediation system at 2103 Country Club is in operation,local groundwater flow is reversed and flow is westward,causing a decline in contaminant concentrations in the two impacted wells on the west side of the Kwikee site.When the remediation system is inoperative,groundwater resumes its natural eastward flow,and concentrations begin to rise again in the two Kwikee wells.Based on these and other observations,we again recommended"that responsibility for groundwater remediation at the Kwikee site be transferred to Chevron,and that our client,Mr. William Peters,be relieved of any further obligation and liability.We also recommended that the monitoring wells at Kwikee Foods be destroyed in accordance with County regulations. As we have received no response to the contrary,we assume that PHS/EHD concurs with these recommendations and that the County regards the investigation as complete. Therefore,by September 30, we will submit a work plan to destroy the existing monitoring wells. sift Victor Cherven,Ph.D. President cc: William Peters Marty Hartzell,RG,RWQCB Stockton: P.O. Box 8002, Stockton, CA 95208 (209) 772-3620 Cameron Park: 3369 Kimberly Road, Cameron Park, CA 95682 (530) 677-3055