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TABLE 4 <br /> LABORATORY RESULTS <br /> FOR WASTEWATER LINE SOIL SAMPLES <br /> STOCKTON RAILYARD <br /> DISTANCE <br /> SAMPLE SAMPLE SAMPLE FROM WEST TPHd0) TPHo(2) <br /> I D DATE DEPTH END OF LINE (mg/kg) (mg/kg) <br /> (feet) (feet) <br /> BH-1 417193 12 0 28 <10 <10 <br /> BH-2 417/93 110 40 12 13 <br /> 13H-3 417193 100 60 <10 <10 <br /> BH-4 417193 80 80 <10 <10 <br /> BH-5 417193 80 100 <10 <10 <br /> BH-6 4/8193 7 5 120 <10 <10 <br /> BH-7 4/8193 70 140 <10 <10 <br /> BH-8 4/8/93 65 160 <10 <10 <br /> BH-9 418/93 65 180 <10 <10 <br /> BH-10 418193 6 5 200 <10 <10 <br /> BH-11 418193 65 220 <10 <10 <br /> BH-12 4/8/93 60 240 <10 <10 <br /> BH-13 4/8/93 60 260 <10 <10 <br /> BH-14 4/9/93 60 280 <10 <10 <br /> BH-15 419/93 60 300 <10 38 <br /> BH-16 419/93 5 5 320 110 210 <br /> BH-17 419193 5 5 340 <10 <10 <br /> BH-18 4/9/93 50 359 <10 <10 <br /> 90-822 (5/24/94/mg) <br /> "<10" indicates sample nondetect at the specified detection Limit of 10 mg/kg <br /> (1) Total extractable petroleiun hydrocarbons(TEPH)as diesel by Modified EPA Method 8015 <br /> analysis performed by Western Environmental Services and Testing (WEST)of Davis, California <br /> (2) TEPH as motor oil by Modified EPA Method 8015 analysis performed by WEST <br /> ENVIRONMENTAL SOLUTIONS <br />