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1 <br />' Union Ice Company, 425 North Union Street, Stockton, California <br /> Phase II Revised Site Assessment, Installation ref Oct. 28, 1993 44 <br /> Monitoring Wells and Quarterly Groundwater Report Page. 6 <br />' gradient is supported by the position of the contamination plume at 65 feet in relationship <br /> to the former Tank#3 <br />' Some fingers of residual contamination also exists in the Tank #4 remedial excavation <br /> sidewalls between 15 and 20 feet below ground level The floor samples were non detect, <br /> as were all samples in MW-3 (Figure 2A) <br />' To define the limits of Tank #3 contamination, it will be necessary to drill a muumum of <br /> two properly positioned bonngs to sample both soil and groundwater to the east and <br /> northeast of the contamination plume as shown on Figure 7 These borings would, of <br /> course, be located in the middle of Union Street - a fairly high volume traffic area <br />' The above represents our best professional opimon 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 �1yyiK©Nein r �� <br /> `, E FURN�� <br /> Lz:- <br /> • No 01079 <br /> Steve J Furnas, AEA T Expires 34 <br /> Registered Environmental Assessor# 01079 <br /> r+ F CAi.1FO <br /> 4673 <br /> AIPG <br /> I �L'ouis Smith, CPG <br /> Certified Professional'Geologist# 4613 <br /> 1�U/S D � <br /> Qp,QF ESSlO,y <br /> _ CD22 339 M <br /> Lee DeLano, P E 22339 EXP 9,3091 <br /> Califoriva Registered Civil Engineer cJvi� ,Q <br />