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<br /> TABLE 4
<br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA Methods 8015M/8020/8260
<br /> RIVER CITY PETROLEUM/CONNELL MOTOR LIFT TRUCK
<br /> 2211 North Wilson Way, Stockton, California
<br /> Well I.D. Date TPH-g Benzene Toluene Ethyl- Xylene MTBE DIPE TAME ETBE TBA EDB 1,2-DCA
<br /> Screen benzene
<br /> <50 <50 <50 <50 <500 300 2,600
<br /> 12-30-03 77,000 16,000 12,000 1,200 9,800 <50 <50 <50 <50 <500 190 1,600
<br /> 03-25-04 56,000 14,000 10,000 890 7,500 <20 <20 <20 <50 5 0 79 1,600
<br /> MW-1 06-24-04 60,000 9,600 5,800 710 6,900 - - - - _
<br /> mw-l' 12-20-04 - - <17 <17 <17 <17 <170 110 940
<br /> 40�-6003-10-05 84,000 15,000 10,000 980 7,400 <1.0 <1.0 <1.0 <10 <0.5 390
<br /> 06-07-05 27,000 8,500 4,300 ,10 7,,3 0 <1.0
<br /> 08-30-05 33,000 11,000 7,000 1,100 13,300
<br /> r<5.0
<br /> <1.0 <1.0 <1.0 <10 63 110
<br /> <1.7 <1.7 <1.7 20 <1.7 4.3
<br /> 12-30-03 6,600 290 83 150 760 <0.5 <0.5 <0.5 12 <0.5 15
<br /> 03-25-04 9,200 220 110 200 1,100
<br /> <5.0 <5.0 <0.5 <50 <5.0 15
<br /> MW-2 06-24-04 9,000 65 28 130 820 <2.5 <2.5 <2.5 36 <2.5 63
<br /> 12-20-04 15,000 690 87 570 1,800 <2.5
<br /> 40'-60' <1.0 <1.0 <1.0 <1.0 11 <1.0 5.1
<br /> 03-10-OS 3,800 39 4.8 78 240
<br /> 06-07-05 1,100 8.4 4.9 50 153 <1.0 <10 <10 <10 <10 <0.5 2.7
<br /> 08-29-05 39,000 21 9.3 91 339
<br /> <1.0 <1.0 <1.0 <1.0 <10 <0.5 13
<br /> <0.5 <0.5 <0.5 <0.5 13 <0.5 0.78
<br /> 12-30-03 2,000 57 16 25 50 <0.5 <0.5 <0.5 13 <0.5 <0.5
<br /> 03-25-04 3,700 200 120 58 280 <0.5
<br /> <0.5 <0.5 <0.5 <0.5 6.5 <0.5 1.0
<br /> MW-3 06-24-04 850 15 3.2 14 20 <1.0 <1.0 <1.0 <10 <1.0 7.8
<br /> 12-20-04 9,900 530 190 160 540 <1.0
<br /> 40'-60' <0.5 <0.5 <0.5 <1.0 <5.0 <0.5 1.1
<br /> 03-10-05 3,100 93 49 33 92 <1.0 <1.0 <1.0 <10 <0.5 <0.5
<br /> 06-07-05 800 7.9 6.2 40 22.2 <1.0
<br /> <1
<br /> 08-29-05 500 5.4 5.1
<br /> <0.5 13.9 <1.0 .0 <1.0 <1.0 <10 <0.5 <0.5
<br /> <0.5 <0.5 <0.5 <0.5 <0.5
<br /> <0.5 <0.5 <5.0 <0.5 <0.5
<br /> 12-30-03 <50 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5
<br /> <0.5 <0.5 <0.5 <0.5
<br /> 03-25-04 <50 <0.5 <5.0 <0.5 <0.5
<br /> <50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
<br /> MW-4 06-24-04 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5
<br /> 40'-60' 12-20-04 <50 <0.5 <0.5 <0.5 <0.5
<br /> <0.5 <0.5 <0.5 <0.5 <0.5
<br /> <0.5 <0.5 <5.0 <0.5 <0.5
<br /> 03-10-05 <50 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5
<br /> 06-07-05 <50 <0.5 <0.5
<br /> Advanced GeoEnvironmental,Inc.
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