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5 <br /> Date March 22, 2004 <br /> • IBC QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 1426 South Lincoln Street, Stockton, California <br /> Consulting Co/Contact Person Stratus Environmental, Inc /Jay Johnson, R G <br /> Consultant Project No 2002-1426-01 <br /> Primary Agency/Regulatory ID No Nuel Henderson 1 San Joaquin County Environmental Health <br /> Department <br /> WORK PERFORMED THIS QUARTER(First 2004) <br /> 1 Stratus collected groundwater samples from wells MW-1 and MW-2 on February 9, 2004 <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> WORK PROPOSED FOR NEXT QUARTER(Second 2004) <br /> 1 The next sampling event is tentatively scheduled for May 2004 Groundwater samples will be <br /> collected for laboratory analysis from wells MWA 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 SW8015BIDHS LUFT Manual, and for benzene, <br /> toluene, ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether (MTBE), tertiary amyl methyl <br /> ether (TAME), ethyl tertiary butyl ether (ETBE), di-isopropyl ether (DIPE), and tertiary butyl alcohol <br /> (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 February 9, 2004 <br /> Is Free Product(FP) Present on Site No <br /> FP Recovered This Quarter No <br /> Cumulative FP Recovered to Date NA <br /> Approximate Depth to Groundwater 22 44 to 22 53 feet below top of well casing <br /> Groundwater Flow Direction NA <br /> Groundwater Gradient NA <br /> i <br /> P 11 B C\Stockton\Qrt1y1200411BC Stockton-1 Q04 DOC 5TRATU5 <br />