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s <br /> Date January 16, 2003 <br /> IBC QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 1426 South Lincoln Street, Stockton, California <br /> Project Supervisor Travis Bryant <br /> Consulting Co/Contact Person Stratus Environmental, Inc /Jay Johnson <br /> Consultant Project No 2002-1426-01 <br /> Primary Agency/Regulatory ID No Nuel Henderson /San Joaquin County Public Health Services <br /> WORK PERFORMED THIS QUARTER (Third 2002) <br /> 1 Stratus collected groundwater samples from wells MW-1 and MW-2 on August 22, 2002 <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> WORK PROPOSED FOR NEXT QUARTER(Fourth 2002) <br /> 1 The next sampling event is tentatively scheduled for December 2002 Groundwater samples will be <br /> collected for laboratory analysis from wells MW-1 and MW-2 <br /> 2 Groundwater samples will be analyzed at a state-certified analytical laboratory for total petroleum <br /> hydrocarbons as gasoline (TPHG) by EPA Method SW8015B/DHS LUFT Manual, and for <br /> benzene, toluene ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether (MTBE), tertiary <br /> amyl methyl ether (TAME), ethyl tertiary butyl ether (ETBE), di-isopropyl ether (DIPS), and <br /> tertiary butyl alcohol (TBA) by EPA Method SW8260B <br /> Current Phase of Project Monitoring <br /> Frequency of Groundwater Sampling All Wells=Quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Groundwater Sampling Date August 22, 2002 <br /> Is Free Product(FP) Present on Site No <br /> a <br /> FP Recovered This Quarter No <br /> Cumulative FP Recovered to Date NA <br /> Approximate Depth to Groundwater 2140 to 21 63 feet below top of well casing <br /> Groundwater Flow Direction NA <br /> Groundwater Gradient NA <br /> P 11 B C\Stockton\Qrt1y1200211BC Stockton-3Q02 DOC 5TRA TUS <br />