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<br /> TABLE 4
<br /> ANALYTICAL RESULTS GROUND WATER
<br /> RIVER CITY PETROLEUM/CONNELL MOTOR LIFT TRUCK
<br /> 2211 North Wilson Way, Stockton, California
<br /> Well I.D. Ethyl-
<br /> WellI. Date TPH-d TPH-g TPH-ss Benzene Toluene benzene Xylene MTBE DIPE TAME ETBE TBA EDB 1.2-DCA
<br /> MW-1 12/30/03 - 77,000 - 16,000 12,000 1,200 9,800 <50 <50 <50 <50 <500 300 2,600
<br /> 40'-60' 03/25/04 - 56,000 - 14,000 10,000 890 7,500 <50 <50 <50 <50 <500 190 1,600
<br /> 06/24/04 - 60,000 - 9,600 5,800 710 6,900 <25 <25 <25 <25 360 79 1,600
<br /> 03/10/05 - 84,000 - 15,000 10,000 980 7,400 <17 <17 <17 <17 <170 110 940
<br /> 06/07/05 - 27,000 <50 8,500 4,300 250 7,200 <1.0 <1.0 <1.0 <1.0 <10 <0.5 390
<br /> 08/30/05 52,000 33,000 <50 11,000 7,000 1,100 13,300 <1.0 <1.0 <1.0 <1.0 <10 63 110
<br /> 12/08/05 36,000 59,000 <50 17,000 11,000 1,400 10,100 <1.0 <1.0 <1.0 <1.0 <10 <0.5 340
<br /> 03/27/06 87,000 75,000 - 19,000 14,000 2,500 14,300 <1.0 2.4 <1.0 <1.0 <10 <0.5 670
<br /> 06/15/06 39,000 82,000 <50 13,000 17,000 2,300 20,600 <1.0 <1.0 160 <1.0 <10 28 180
<br /> 09/19/06 26,000 73,000 - 7,400 4,200 810 5,900 <1.0 <1.0 7.6 <1.0 <10 <0.5 140
<br /> 11/30/06 44,000 89,000 - 26,000 11,000 1,500 8,100 17 21 50 <1.0 <10 19 140
<br /> 02/14/07 27,000 62,000 - 8,000 9,600 1,100 8,400 <1.0 <1.0 41 <1.0 <10 6.3 77
<br /> 05/15/07 7,200 15,000 - 56 54 500 1,390 - - - - - 22 250
<br /> 08/28/07 <50 <50 - <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <10 <0.5 29
<br /> 12/27/07 5,200 460 - 4.9 3.5 7.2 37 <1.0 <1.0 <1.0 <1.0 <10 <0.5 18
<br /> 03/04/08 5,800 3,400 - 5.1 13 19 115 <1.0 <1.0 <1.0 <1.0 <10 <0.5 11
<br /> 06/17/08 <50 <50 - <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5
<br /> 09/24/08 <50 <50 - <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5
<br /> 03/23/09 <50 13,000 <50 <0.5 <0.5 15 390 - - - - - - <0.5
<br /> 06/02/09 - 21,000 - 2.7 <0.5 22 1,510 - - - - - <0.5
<br /> 09/23/09 - 24,000 - 25 5.9 20 1,980 - - - - - - <0.5
<br /> 03/17/10 7,200 8,700 - 4.1 <0.5 7.4 138 - - - - - - <0.5
<br /> 09/20/10 - <50 - <0.5 <0.5 <0.5 6.8 - - - - - <0.5
<br /> 101/25/11 1,100 <0.5 1 <0.5 <0.5 1 30.2 - I - I - - - --
<br /> Advanced GeoEnviionmend. Inc.
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