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ANTICIPATED NEXT QUARTER ACTIVITIES <br /> • Submit Quarterly Summary Report <br /> • Conduct quarterly monitoring event <br /> • Submit workplan for installation of additional deep groundwater monitoring wells <br /> CHARACTERIZATION/REMEDIAL STATUS <br /> Impacted soil delmeated9 Yes-lateral, Yes-vertical <br /> Impacted groundwater delineated? Unknown <br /> Current Phase of Project? Assessment and <br /> Monitoring <br /> Frequency of Sampling? Quarterly_ <br /> Current Remediation Techmques9 NIA <br /> Soil remediation m progress? No <br /> Anticipated start? NIA <br /> Anticipated completion? N/A <br /> Groundwater Gradient? East at 0 001 to 0 003 fl/ft <br /> Dissolved/free product remediation in progress? No <br /> Anticipated starts N/A <br /> Anticipated completion? N/A <br /> CONCLUSIONS: <br /> Soil impacts extend vertically from the base of the dispenser area overexcavation to <br /> approximately 70 feet bgs,petroleum hydrocarbon concentrations attenuate at 80 feet bgs <br /> Shallow groundwater impacts at the water table are limited to MTBE at concentrations of 19 9 <br /> and 10 1 ppb in MW-3 and MW-4, respectively <br /> Deep groundwater(80 feet bgs) is impacted by TPHG, BTEX, and MTBE TPHG was reported <br /> in MW-5 and MW-6 at 9,630 ppb and 2,450 ppb,respectively Benzene was reported in MW-5 <br /> and MW-6 at 63 5 ppb and 32 3 ppb, respectively MTBE was not reported in the deep <br /> groundwater wells The extent of the deep impacts is not defined The source of the deep <br /> groundwater impacts appears to be the soil impacts extending to approximately 70 feet bgs <br /> The owner of adjoining property to the east and north of the subject site is exploring a purchase <br /> of the subject site with probable use as parking <br /> 822121/822121 In 3 07/10/01 <br />