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01/25/96 15:21 E 209 333 6309 KEN PAIGE P.03 <br />r <br />This document is inters ed to fulfill all the requirements for a <br />Corrective Action Plait lor Chevron Station 9--4183, as requested by <br />San Joaquin County. Th_ service station is located at 235 North <br />Karn I.a.ne ir. T,odi., Califo nia (Figure. 1) . Underground storage tanks <br />(USTs) and surface facilities fot:' service station operations will <br />be removed. <br />The scope of work propo <br />* Underground S <br />Soil Excavati <br />A Proposal fo <br />Further- corrective act/ <br />findings from the activ <br />2.0 SITE CONDITIONS <br />ed in this work plan includes: <br />orage Tank Removal <br />Verification Monitoring <br />in measures may be necessary depending on <br />ties proposed in this workplan. <br />The site is an operating service station awaiting demolition. The <br />station was constructed in 1969, and the facilities on-site include <br />two 10,000 gallon and one 5,000 gallon gasoline USTs, one 1,000 <br />gallon used oil UST, ant two product islands. <br />Regional groundwater de the range from .40 to 60 feet below grade <br />surface (bgs). Recently installed groundwater monitoring wells <br />we17e sampled in August of 3.995 and depth to water at that time was <br />41 to 45 feet rigs. The groundwater flow direction is southwest. <br />• <br />A combination of facility removal and soil remediation will be <br />performed concurrently. Soil remediation will. be performed by <br />excavation wheYe areas f obvious hydrocarbon impacted soil are <br />exposed during rnnsit.rurt'on activities. <br />3. ]___V$ and F . <br />A total of four USTs wil.1 be removed from the site. All standard <br />protc)eol for the tank removal. (San Joaquin County and Regional <br />Water -Quality contro). Board. (RWQcs) guidelines) will be followed. <br />Fxcava.tior work will bi performed by Fi.l. l ner Construction, a <br />licensed contractor. <br />Soil samples will be col ected, two frora beneath each UST, at the <br />base of the excavation. Soil samples from the excavation will be <br />collected from the excavator bucket by removing the top few inches <br />1 <br />