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ppqq- <br /> 90 <br /> Table I <br /> Soil Sampling Analytical Results <br /> from Borings at <br /> Delta True;;Sales, Stocidon, San Joaquin Co., CA <br /> May 14, 15, and 18, -1990 <br /> Sample ID TPH-gasolineTPH-dieset Benzene Toluene Ethylbenzene X)Iencs <br /> (ppm) (ppm) (ppb) (ppb) (ppb) (ppb) <br /> B1 @ 10 ft 12 51 5.6 ND<2.5 ND<2.5 14 <br /> B1 @ 20 ft ND<1 ND<1 14 ND<25 ND<2.5 3.1 <br /> 132 @ 15 ft 440 6,600 ND<25 ND<2.5 ND<2.5 1,300 <br /> B2 @ 20 ft 1.6 2.1 11 ND<25 ND<25 6.2 <br /> 133 @ 20 ft ND<1 ND<1 ND<2,5 ND<2.5 ND<2.5 ND<25 <br /> B4 @ 15 ft ND<1 N-D<1 ND<2.5 ND<2.5 ND<2.5 NDQS <br /> B5 @ 20 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<25 INlj<25 <br /> B6 @ 15 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 NDQS <br /> B7 @ 5 ft 790 7,600 ND<2.5 ND<25 390 6,100 <br /> B7 @ 10 ft 1.9 ND<1 ND<25 ND<2.5 ND<2.5 1DQ5 <br /> f <br /> B8 @ 10 ft ND<1 ND<1 4.9 ND<2.5 ND<2.5 NDQS <br /> B9 @ 20 ft 510 12,000 3,300 3,400 1,300 6,300 <br /> B9 @30 ft 1.1 ND<1 41 2.7 ND<2.5 3.2 <br /> B10 @ 20 ft 5,800 8,700 58,000 140,000 86,000 380,000 <br /> BIO @ 30 ft 1.8 ND<1 190 250 18 77 <br /> B11 @ 30 ft 310 410 7,000 17,000 4,500 24,000 <br /> B11 @ 50 ft 23 ND<1 480 18 3.7 42 <br /> B12 @ 10 ft ND<1 ND<I ND<2.5 ND<2.5 ND<2.5 ND<2.5 <br /> B13 @ 10 ft ND<1 ND<1 ND<2.5 2.6 ND<2.5 3.2 <br /> HA-1 ND<1 3.5 ND<25 ND<2.5 ND<2.5 ND<2.5 <br /> HA-2 ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 ND<2.5 <br /> NOTES: <br /> ND = Not Detected at indicated detection limit. TPH -gasoline analyzed by EPA Method <br /> EPA extraction-Method-3550iBTEX-analyzed-by El'A--Method-8020: -- -- - ---------- - - -- <br /> Samples collected by ESI;, analyzed by NET Pacific. Appendix C contains lahoratory <br /> documents. <br />