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Union Ice Company, 425 North Union Street, Stockton, California <br /> Phase II Additional Site Assessment, Installation of Sept. 9, 1993 <br /> Monitoring Wells and Quarterly Groundwater Report Page. 6 <br /> 1 <br />' excavation, has contamination from 30 to 55 feet Groundwater contamination exists to <br /> monitoring wells MW-1 and MW-2, to the north and south of former Tank#3 excavation, <br /> respectively The lateral estimation of contamination is shown on Figure 7 along with the <br />' current groundwater gradient direction of North 50 degrees East (July 7, 1993) This <br /> gradtent is supported by the position of the contamination plume at 65 feet in relationship <br /> to the former Tank 93 <br />' To define the limits of contamtnatio it will be necessary to drill a minimum of two <br /> n, ary <br />' properly positioned bonngs to sample both soil and groundwater to the east and northeast <br /> of the contamination plume as shown on Figure 7 These borings would, of course, be <br /> located in the middle of Union Street - a fairly high volume traffic area <br />' The above represents our best professional opinion as to environmental conditions at this <br /> site These opinions were derived using data at hand, and using standards of care common <br />' to the environmental consulting community in Northern California Additional work or <br /> sampling at this site may generate data that could lead to a change of opinion regarding <br /> site conditions or appropriate site remediation procedures, or both <br /> Prepared by VIHONiy��� <br /> \IE FURry <br /> Iw No 01079 Vl <br /> Expires. � <br /> i <br /> Steven J Fufidas, AEA <br /> V- <br /> Registered Environmental Assessor# 01079OF <br /> ' 'or cai.I <br /> Y + 4613 <br /> n ¢ AIPG <br /> Louis D Smtth,'f <br /> ICertified Professional Geologist#4613 l <br /> Lee lbeLano, P E 2339 <br /> California Registered Civil Engineer <br /> I <br />