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Table 1 <br /> Soil Sampling Analytical Results <br /> Thom Borings at <br /> Delta Truck Sales, Stocldom, Sawn Joaqu!nn Co., CA <br /> May 14, 15, and 18, 1990 <br /> Sample ED TPP-gasolieneTIP H[-diesel Benzene ToHueane EthyllenaeBne %ylens <br /> (ppm) (ppm) (]Ppb) (]Pleb) (ppb) (ppb) <br /> B1 @ 10 ft 12 51 56 ND<2.5 ND<2.5 14 <br /> B1 @ 20 ft ND<1 ND<1 14 ND<2.5 ND<2.5 3.1 <br /> B2 @ 15 ft 440 6,600 ND<2.5 ND<2.5 ND<2.5 19300 <br /> B2 @ 20 ft 1.6 2.1 11 ND<2.5 ND<2.5 6.2 <br /> B3 @ 20 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 ND<25 <br /> B4 @ 15 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 1!D<25 <br /> BS @b 20 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 ND<25 <br /> B6 @ 15 ft ND<1 ND<1 ND<2.5 ND<2.5 ND<2.5 ND<25 <br /> B7 @ 5 ft 790 7,600 ND<2.5 ND<2 5 390 6,100 <br /> B7 @ 10 ft 1.9 ND<1 ND<2.5 ND<2 5 ND<2.5 nD<25 <br /> B8 @ 10 ft ND<1 ND<1 4.9 ND<2.5 ND<2.5 ND<25 <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 /> fjrb <br /> B10 @ 20 ft 5,800 8,700 58,000 140,000 86,000 380,000 <br /> B10 @ 30 ft 1.8 ND<1 190 250 18 77 <br /> 717 <br /> B11 @ 30 ft 310 410 7,000 17,000 4,500 24,000 <br /> B11 @ 50 ft 2.3 ND<1 480 18 3.7 42 <br /> B12 @ 10 ft ND< 1 ND<1 ND<2.5 ND<2.5 ND<25 ND<25 <br /> B13 @ 10 ft ND<1 ND<1 ND<25 2.6 ND<2.5 32 <br /> HA-1 ND<1 3.5 ND<2.5 ND<2.5 ND<2.5 ND<25 <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 /> 8015, TPH - diesel by EPA extraction Method 3550, BTEX analyzed by EPA Method 8020. <br /> Samples collected by ESE, analyzed by NET Pacific. Appendix C contains laboratory <br /> documents. <br />