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TABLE 2
<br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA METHODS 8015MI8260B
<br /> RALPH SQUARE-BUI
<br /> 2122 South Airport Way, Stockton, California
<br /> Sample DTW EPA 8015M Volatile Aromatic Com ounds EPA Method 826013
<br /> WellI.D. Ethyl- Total
<br /> Date (feet) TPH-g Benzene Toluene MTBE TBA DIPE ETBE TAME EDB 1,2-DCA •
<br /> benzene Xylenes
<br /> 07/02/02 40.83 670 <0.5 <0.5 <0.5 <0.6 40 <25 <1.0 <1.0 <1.0 <0.5 <0.5
<br /> 02/11/05 44.36 600 <0.5 <0.5 <0.5 <0.6 590 <10 <1.0 <1.0 <1.0 <0.5 <0.5
<br /> 06/02/05 41.93 220 <0.5 <0.5 <0.5 <0.6 180 <10 <I.0 <1.0 <1.0 <0.5 <0.5
<br /> MW-1 04/12/07 38.25 190 <0.5 <0.5 10 13.8 12 <10 <1.0 <1.0 <1.0 <0.5 <0.5
<br /> 07/06/07 38.39 1,100 <0.5 <0.5 <0.5 <0.6 990 <10 <1.0 <1.0 18 <0.5 <0.5
<br /> 10/09/07 38.33 3,000 2.1 <0.5 <0.5 5.6 2,400 <10 <1.0 <1.0 9.3 <0.5 <0.5
<br /> 01/22/08 37.42 3,000 <0.5 <0.5 5.3 7.5 2,800 <10 <1.0 <1.0 3.0 <0.5 <0.5
<br /> 04/29/08 35.96 1,200 <0.5 <0.5 1 6.9 <0.6 900 <10 <1 <1 <1 <0.5 <0.5
<br /> 07/02/02 41.54 56,000 24,000 1,100 4,500 6,900 100 <25 <1.0 <1.0 <1.0 <1.0 <0.5
<br /> 02/11/05 45.06 17,000 2,800 85 2,400 405 3,600 <10 <1.0 <1.0 <1.0 <0.5 <0.5
<br /> 06/02/05 42.66 21,000 4,900 290 3,100 2,030 6,000 <10 <1.0 <1.0 63 <0.5 44
<br /> MW-2 04/12/07 38.15 14,000 1,900 84 1,600 1,840 38 <10 <1.0 <1.0 <1.0 <0.5 36
<br /> 07/06/07 38.32 18,000 72 9.3 <0.5 253 12,000 <10 <1.0 <1.0 22 <0.5 <0.5
<br /> 10/09/07 38.26 66,000 820 11 2,400 1,820 32,000 <10 <1.0 <1.0 8.4 <0.5 22
<br /> 01/22/08 37.36 54,000 <0.5 8.1 340 824.8 26,000 <10 2.9 <1.0 7.7 <0.5 7.8
<br /> 04/29/08 35.91 30,000 80 6.3 140 180 15,000 <10 2.9 <1 <1 <0.5 <0.5
<br /> 07/02/02 41.19 55,000 21,000 3,100 2,000 4,500 4,000 <25 <1.0 <1.0 <1.0 <0.5 61
<br /> 02/11/05 44.70 30,000 6,300 2,500 1,300 1,950 7,900 <10 <1.0 <1.0 <1.0 <0.5 <0.5
<br /> 06/02/05 42.33 29,000 5,000 2,200 270 7,300 3,700 <10 <1.0 <1.0 57 <0.5 43
<br /> MW- 04/12/07 37.82 30,000 2,900 5,200 2,100 8,400 17 <10 <1.0 <1.0 8.3 <0.5 55
<br /> 07/06/07 37.98 14,000 1,600 680 360 1,340 4,500 <10 <1.0 <1.0 19 <0.5 46
<br /> 10/09/07 37.92 43,000 2,600 550 1,800 4,200 13,000 <10 <1.0 <1.0 80 <0.5 58
<br /> 01/22/08 36.98 31,000 580 310 590 3,230 14,000 <10 <1.0 <1.0 49 <0.5 46
<br /> ✓ 04/29/08 35.57 1 45,000 1 610 1 3,100 1 1,000 21860 16,000 <10 <1 <1 1 11 1 <0.5 18
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<br /> Advanced GeoEnviron mental,Inc.
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