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f <br /> • Date: October 30,2001 <br /> Quarter: 3Q01 <br /> CHEVRON QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility No.: 9-4275 Address: 2905 West Benjamin Holt Drive, Stockton,California (Figure 1) <br /> CHEVRON Project Manager: Robert(Bob)Cochran <br /> Consulting Co./Contact Person: SECOR International Incorporated/Scott Gable <br /> Consultant Project No.: 077.43538.670 <br /> Primary Agency/Regulatory ID No.: San Joaquin County Environmental Health Division <br /> Attention:Lori Duncan <br /> Assembly Bill 681 Status: Property owned by:Chevron Products Company <br /> WORK PERFORMED THIS QUARTER (Third Quarter— 2001): <br /> 1. Conducted quarterly groundwater monitoring and sampling. <br /> 2. Prepared and submitted quarterly groundwater monitoring report. <br /> 3. Performed system operation and maintenance. <br /> 4. Prepared and Submitted the Quarterly Remedial System Evaluation Report. <br /> . 5. Collected and analyzed samples from Municipal Well No. 10 and reported results. <br /> 6. Performed water quality assessment near the City of Stockton municipal well 10. <br /> 7. Submitted commingled plume supplemental information. <br /> WORK PROPOSED FOR NEXT QUARTER (Third Quarter—2001.): <br /> 1. Conduct quarterly groundwater monitoring and sampling. <br /> 2. Prepare and submit Quarterly Groundwater Monitoring Report. <br /> 3. System operation and maintenance. <br /> 4. Prepare and submit the Quarterly Remedial System Evaluation Report. <br /> 5. Prepare and submit the Site Assessment Report. <br /> QUARTERLY RESULTS SUMMARY <br /> Current Phase of Project: Assessment <br /> Frequency of Groundwater Sampling: Quarterly <br /> Frequency of Groundwater Monitoring: Quarterly <br /> Is Free Product(FP)Present Onsite; No <br /> FP Recovered this Quarter: NA <br /> Cumulative FP Recovered to Date: NA <br /> Current Remediation Techniques: Air S2arging <br /> Approximate Depth to Shallow Groundwater: 10 to 12 feet <br /> Groundwater Gradient: North @ 0.002-0.004 ft/ft <br />