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Date September 24, 1996 <br /> ARCO ANNUAL GROUNDWATER MONITORING REPORT <br /> Facility No 06020 Address 1711 East Yosemite Road, Manteca, California <br /> ARCO Environmental Engineer Kyle Christie <br /> Consulting Co/Contact Person EMCON/Jay R Johnson <br /> Consultant Project No 20805-151 002 <br /> Primary Agency/Regulatory ID No Mike Infurna, San Joaquin Coun Public Health Services <br /> WORKED PERFORMED (1995) <br /> 1 EMCON performed annual groundwater sampling on July 3, 1996 <br /> 2 EMCON compiled and evaluated groundwater monitoring data <br /> WORKED PROPOSED <br /> 1 EMCON will prepare a workplan to abandon the four monitoring wells <br /> 2 Upon completion of the well abandonment, the San Joaquin County Public Health Services indicated <br /> that they will close the site from further regulatory review <br /> Current Phase of Project Closure <br /> Frequency of Groundwater Sampling Annual <br /> Frequency of Groundwater Monitoring Annual <br /> Sample Date July 3, 1996 <br /> Is Free Product (FP) Present On Site No <br /> FP Recovered this Quarter NA <br /> Cumulative FP Recovered to Date NA <br /> Approximate Depth to Groundwater 17 55 10 20 03 <br /> Direction of Groundwater Flow Northeast <br /> Groundwater Gradient 0 002 <br /> DISCUSSION <br /> Results of this monitoring event indicate that levels of dissolved gasoline hydrocarbons remain below <br /> laboratory detection limits, which is consistent with previous sampling events The groundwater gradient <br /> SACV\CLW051510 2AS-961dms i <br />