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4- <br /> �ffi � <br /> 1 <br /> O.E.a. - stcckton plating Inc. <br /> October 30, 1991 <br /> f page -6- <br /> liners. During sampling, the split-spoon was driven ahead of the <br /> agger. The first, or upper-most, liner was discarded. One <br /> s <br /> sample liner was used for geological logging and one was prepared <br /> for shipment to the laboratory for analysis (See Soil and Bedrock <br /> � y <br /> { � Logs, Appendix B) . <br /> 'E <br /> The upper 2.5 feet in each boring consisted of <br /> asphalt/gravel fill. The native soil consisted of brown silt, <br /> clay, and fine sand. in each boring, greyish-green stained soil <br /> ;-� was encountered at a depth of approximately 25 feet below ground <br /> surface down to the capillary fringe at 50 feet. Petroleum odors <br /> were detected in SB3 from approximately 20 feet down to 50 feet. <br /> In soil borings SB1, SB2, SB4, SBS, and SB6, petroleum odors were <br /> encountered from approximately 30 down to 50 feet. <br /> Septic/petroleum odors were detected in each boring from <br /> approximately 40 feet dowse to 50 feet. . See C�cslogic Gross <br /> iI <br /> Sections and Stained Soil Profile, Appendix A, Figures 4 through <br /> 7. <br /> The soil cuttings from then horings were placed on asphalt in <br /> v i a fenced area on site. Following the drilling operation the soil <br /> 5 <br /> �+ borings were grouted with a cement/bentonite slurry. Disposal of 1i <br /> drill cuttings and hazardous materials is the responsibility of <br /> $ the property owner. <br /> Le <br /> CONDOR <br />