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• well In most of the other wells, the thickness of water in the well (if present at all) was not great <br /> enough to enter the bailer <br /> 3 Stratus prepared and submitted to San Joaquin Valley Air Pollution Control District (SJVAPCD) a <br /> source test report presenting the results of start-up of SVE systems <br /> 4 Stratus compiled and evaluated the second quarter 2004 monitoring and sampling data <br /> 5 Between May 24 and June 2, 2004, Stratus installed monitoring wells MW-10, and MW-12 <br /> through MW-15, and abandoned well VW-15 <br /> WORK PROPOSED FOR NEXT QUARTER(Third 2004) <br /> 1 Stratus will continue to remove floating product from well MWA on a weekly basis, monitor free <br /> product thickness in selected wells, and remove floating product when present <br /> 2 The next sampling event is tentatively scheduled for September 2004 Groundwater samples will be <br /> analyzed for gasoline range organics (GRO), benzene, toluene, ethylbenzene, total xylenes (BTEX), <br /> tertiary butyl alcohol (TBA), methyl tertiary butyl ether (MTBE), di-isopropyl ether (DIPE), ethyl <br /> tertiary butyl ether (ETBE), tertiary amyl methyl ether (TAME), 1,2-dichloroethane (1,2-DCA), <br /> 1,2-dibromoethane (EDB), and ethanol using USEPA Method 8260E <br /> 3 Stratus will conduct bi-monthly site visits to monitor system performance, maintain equipment, and <br /> to collect compliance samples <br /> 4 Stratus will prepare and submit a site assessment report to SJCEHD documenting the well <br /> installation and destruction activities <br /> Current Phase of Project Monitoring/Remediation <br /> Frequency of Groundwater Sampling All Monitoring Wells = Quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Sampling Date June 21, 2004 <br /> Is Free Product(FP) Present on Site Yes (MW-1) <br /> FP Recovered This Quarter 5 gallons <br /> Cumulative FP Recovered to Date 190 gallons <br /> Depth to Groundwater(Upper) 38 05 to 65 13 feet below ground surface (bgs) <br /> Groundwater Flow Direction (Upper) South-southeast <br /> Groundwater Gradient(Upper) 0 213 ft/ft <br /> Depth to Groundwater(Lower) 93 26 to 106 92 feet bgs <br /> Groundwater Flow Direction (Lower) East <br /> Groundwater Gradient(Lower) 0 035 ft/ft <br /> P 1Bp-Arco for URS161001Quwter1y120041Arco_6100_2Q04 doc STRATUS <br />