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TABLE 1 <br /> LABORATORY RESULTS FOR SOIL SAMPLES COLLECTED <br /> BENEATH REMAINING WASTEWATER LINE <br /> STOCKTON RAILYARD <br /> Sample Date Sample Approximate TPH as TPH as <br /> I.D. Sampled Depth Distance From Diesel(2) Motor Oi1(2) <br /> (feet) West End of Pipe (mg/kg) (mg/kg) <br /> (feet) <br /> BH-1 4/7/93 12.0 28 <10 <10 <br /> B11-2 4/7/93 11.0 40 12 13 <br /> BH-3 4/7/93 10.0 60 <10 <10 <br /> BH-4 4/7/93 8.0 80 <10 <10 <br /> BH-5 4/7/93 8.0 100 <10 <10 <br /> BH-6 4/8/93 7.5 120 <10 <10 <br /> BH-7 4/8/93 7.0 140 <10 <10 <br /> BH-8 4/8/93 6.5 160 <10 <10 <br /> BH-9 4/8/93 6.5 180 <10 <10 <br /> BH-10 4/8/93 6.5 200 <10 <10 <br /> BH-11 4/8/93 6.5 220 <10 <10 <br /> BH-12 4/8/93 6.0 240 <10 <10 <br /> BH-13 4/8/93 6.0 260 <10 <10 <br /> BH-14 4/9/93 6.0 280 <10 <10 <br /> BH-15 4/9/93 6.0 300 <10 38 <br /> BH-16 4/9/93 5.5 320 110 210 <br /> BH-17 4/9/93 5.5 340 <10 <10 <br /> BH-18 4/9/93 5.0 359 <10 <10 <br /> I1) Soil samples were collected from first native soils encountered below pipeline. <br /> (2) Total extractable petroleum hydrocarbons(TPH)by Modified EPA Method 8015 performed by Western <br /> Environmental Services and Testing(WEST)of Davis,CA. Results were quantified as both diesel and motor <br /> oil. <br /> Note: Bold values indicate reported concentrations greater than detection limits. <br /> ENVIRONMENTAL SOLUTIONS <br />