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Date April 26,2002 <br /> Quarter 1Q02 <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 77CH 43538 00 0670 <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 (First Quarter—2002): <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 /> WORK PROPOSED FOR NEXT QUARTER (Second Quarter— 2002): <br /> 1 Conduct quarterly groundwater monitoring and sampling <br /> 2 Prepare and submit Quarterly Groundwater Monitoring Report <br /> 3 System operation and maintenance <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 6 to 9 86 feet <br /> Groundwater Gradient North @ 0 004 ft/ft, northwest 9 0 002 ft/ft <br />