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VW-3, VW-5, VW-6, and the domestic well In most of the other wells, the thickness of water in the well (if present at all)was not great enough to enter the bailer 3 Stratus started the two SVE systems in accordance with SJVAPCD authority to construct on March 9, 2004 4 Upon systems start-up, Stratus conducted weekly site visits to conduct operation and maintenance and to collect required air discharge samples 5 Stratus compiled and evaluated the first quarter 2004 monitoring and sampling data 6 Stratus obtained encroachment permits from SJCPWD and Cal Trans to enable offsite drilling activities on Patterson Pass Road 7 Stratus oversaw the advancement of two offsite soil borings (B-39 and B-40) between February 17 and February 20, 2004 WORK PROPOSED FOR NEXT QUARTER(Second 2004) 1 Stratus will continue to remove floating product from well MW-1 on a weekly basis, monitor free product thickness in selected wells, and remove floating product when present 2 The next sampling event is tentatively scheduled for June 2004 Groundwater samples will be analyzed for gasoline range organics (GRO), benzene, toluene, ethylbenzene, total xylenes (BTEX), tertiary butyl alcohol (TBA), methyl tertiary butyl ether (MTBE), di-isopropyl ether (DIPS), ethyl tertiary butyl ether (ETBE), tertiary amyl methyl ether (TAME), 1,2-dlchloroethane (1,2-DCA), 1,2-dibromoethane (EDB), and ethanol using USEPA Method 82606 3 Stratus will conduct bi-monthly site visits to monitor system performance, maintain equipment, and to collect compliance samples 4 Stratus will prepare and submit a source test report to SJVAPCD 5 Stratus will oversee the advancement of two additional offsite soil borings (B-41 and B-42), installation of four additional offsite monitoring wells (MW-10 through MW-13), and the destruction of offsite well VW-15 6 Following completion of the soil borings and well installations, Stratus will prepare and submit a site assessment report to SJCPHSIEHD f Current Phase of Project Monitoring/Remediation Frequency of Groundwater Sampling All Monitoring Wells= Quarterly Frequency of Groundwater Monitoring Quarterly Sampling Date March 15, 2004 Is Free Product(FP) Present on Site Yes FP Recovered This Quarter 14 gallons (MW-1) Cumulative FP Recovered to Date 185 gallons Approximate Depth to Groundwater 107 36 to 110 09 feet below ground surface (bgs) . Groundwater Flow Direction Southwest P\Bp-Arco for URS\6100\Quarcerly\20041Arco_6100_1Q04 doc STRATUS