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'I <br /> Date: April 18,2001 _��C®R <br /> International Incorporated <br /> r <br /> CHEVRON GROUNDWATER MONITORING REPORT�(IQ2001), 3 <br /> Primary Agency: Lori Duncan <br /> San Joaquin County <br /> Environmental Health Division <br /> 304 East Weber Avenue,Third Floor <br /> Stockton,CA 95202 <br /> Facility No.: 9-4275 Address: 2905 West Benjamin Holt Drive,Stockton,California <br /> CHEVRON Project Manager: Robert Cochran <br /> Consulting Co./Contact Person: SECOR International,Inc. —Roger Hoffmore <br /> Consultant Project No.: 077.43461.012 <br /> Assembly Bill 681 Status: Property Owner: Chevron Products Company <br /> WORK PERFORMED THIS QUARTER: First Quarter—2001: <br /> 1. Conducted quarterly groundwater monitoring and sampling. <br /> 2. Prepared and submitted groundwater monitoring report. <br /> 3. System operation and maintenance. <br /> 4. Prepared and submitted the Quarterly Remedial System Evaluation Report. <br /> 5. Prepared and submitted Work Plan for Site Assessment. <br /> 6. Prepared and submitted analytical results letter for Municipal Well No. 10. <br /> WORK PROPOSED FOR NEXT QUARTER: Second Quarter - 2001: <br /> 1. Conduct quarterly groundwater monitoring and sampling. <br /> 2. Prepare and submit groundwater-monitoring report. <br /> 3. System operation and maintenance. <br /> 4. Prepare and submit the Quarterly Remedial System Evaluation Report. <br /> 5. Collect and analyze samples from Municipal Well No. 10 and report results. <br /> QUARTERLY RESULTS SUMMARY: <br /> Current Phase of Project: Remediation <br /> Frequency of Groundwater Sampling: Quarterly <br /> Frequency of Groundwater Monitoring: Quarterly <br /> Is Free Product(FP) Present On-Site: No <br /> Current Remediation Techniques: Air Sparging <br /> Approximate Depth to Groundwater: 7.78 to 10.33 feet <br /> Groundwater Gradient: North to Northeast @ 0.003 to 0.005 ft/ft <br /> 3017 Kilgore Road, Suite 100, Rancho Cordova, CA 95670 916.861.0400 916.861,0430 Fax www.secor,com <br />