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TABLE 4B <br /> 0 10 <br /> i <br /> A arage oil and Grease Concentration in Soil(l) <br /> Renown Enterprises Site Investiq�+*ion. Tracy, California <br /> Average <br /> Average Sample Average Sample Oil G Grease <br /> Location Depth (ft) Elevation (ft MSL) Concentration (ma/kc) <br /> Insitu Soil Samples(2.3) <br /> B1 7.2 52.0 45 <br /> B2 6.2 46.3 1,907 <br /> B3 6.9 47.2 482 <br /> B4 20.0 44.8 500 <br /> B9 15.2 44.1 - <br /> B10 15.0 44.9 38,050 <br /> B11 10.0 44.0 4,575 <br /> B12 7.8 43.3 3,556 <br /> B14 15.8 45.6 5,500 <br /> B15 4.0 43.3 4,950 <br /> B16 7.8 39.9 13,175 <br /> A B21 5.8 39.5 1,987 <br /> } B25 7.2 46.0 4,133 <br /> B26 8.0 43.7 4,056 <br /> B27 7.2 44.1 15,153 <br /> B28 7.9 44.7 741 <br /> B29 7.9 45.3 11018 <br /> B30 8.0 46.1 5,267 <br /> B31 8.3 45.5 1,162 <br /> B32 6.3 48.2 177 <br /> B33 7.6 45.4 12,725 <br /> B34 6.2 47.2 145 <br /> B35 4.0 45.8 3,195 <br /> B36 5.8 42.3 11,133 <br /> -(, B37 . 6.2 43.2 16,467 <br /> B38 7.8 43.4 27,600 <br /> 4 B39 8.5 43.3 4,925 <br /> B40 7.5 41.0 9,373 <br /> B41 5.5 41.1 10,433 <br /> B42 5.8 42.9 11,967 <br /> B43 7.9 39.6 13,650 <br /> B45 6.3 43.8 2,018 <br /> B46 4.0 43.9 34,850 <br /> Notest <br /> 1. Analyses performed by Curtis 6 Tompkins, Ltd. Analytical Laboratories <br /> of Berkeley, California. <br /> 2. Samples collected from soils at or below the average ground surface <br /> elevation of 52 feet MSL. <br /> 3. Samples collected by Dames & Moore during the Phase I Soils <br /> Investigation between August 22 and 30, 1988. <br /> 4. Samples collected from soils encountered in piles above the average <br /> ground surface elevation of 52 feet MSL. <br /> 5. Samples collected by Dames & Moore during the Phase II Groundwater <br /> Investigation on November 1 and 2, 1988. <br /> - Not detected. <br /> DWM/411lb/122b <br />