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1 <br /> • rtr <br /> ARCO QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility No 434 <br /> Address 501 W Kettleman Lane,Lodi, California <br /> ARCO Environmental Engineer Mr Kyle Christie <br /> Consulting Co/Contact Person Brown and Caldwell/Joel Coffman [(916)444-0123] <br /> Consultant Project No 3382 <br /> Primary Agency/Regulatory ID No CA Central Valley RWQCB, San Joaquin County/ <br /> Site Code # 1341 <br /> WORK PERFORMED THIS QUARTER(Second - 1996): <br /> 1 Conducted groundwater momtonng/sampling for second quarter of 1996 Work <br /> conducted by Pacific Environmental Group (PEG) <br /> 2 Submitted groundwater mohrtoring report for first quarter of 1996 <br /> WORK PROPOSED FOR NEXT QUARTER(Third- 1996): <br /> 1 Submit second quarter 1996 groundwater monitoring report <br /> 2 Conduct groundwater monitonng/sampling for third quarter of 1996 Work to be <br /> performed by PEG <br /> 3 Groundwater samples will be analyzed for MTBE <br /> QUARTERLY RESULTS SUMMARY: <br /> Current Phase of Project Monztonng <br /> Frequency of Groundwater Sampling Wells W-1A, W-2, W-3, W-4, W-5, and W-9 = <br /> quarterly, wells W-2A, W-2B, W-7, W-8, <br /> W-10, W-11, and W-12 = semi-annually <br /> (1st and 3rd quarters) <br /> Frequency of Groundwater Monitoring Quarterly <br /> Is Free Product(FP) Present On-Site No <br /> Depth to Groundwater(below TOC) 58 76(W-8)to 61 70 ft (W-9) <br /> General Groundwater Flow Direction: South <br /> Approximate Hydraulic Gradient 0 003 <br /> ® This report was prepared in accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared and then only to the extent <br /> of the scope of work which was authorized This report does not guarantee that no additional environmental <br /> contamination beyond that described to this report exists at the site <br /> 33821REPORT512NDQTR96 DOC <br />