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Date: July 31,2001 <br /> Quarter: 2Q01 <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.: 077.43561.670 <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 (Second 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 /> 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. Collect and analyze samples from Municipal Well No. 10 and report results. <br /> 6. Submit commingled plume supplemental information. <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 S ar in <br /> Approximate Depth to Shallow Groundwater: 7.5 to 10 feet <br /> Groundwater Gradient: South @ 0.036 ft/ft <br /> DISCUSSION: <br /> s On May 10,2001, SECOR conducted groundwater monitoring and sampling g{second quarter 2001)for the above <br />