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TABLE 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES - ' EPA METHODS 8015M/8020 Chapin Brothers Investments, Inc 1766 Monte Diablo Avenue, Stockton, California ' Well I D Date Depth to TPH as Benzene Toluene Ethyl- Total Sampled Water Gasoline benzene X les n 01-13-94 20 85 1,700 21 15 37 45 06-14-94 19 54 11500 28 3 7 7 0 18 07-01-94 1965 2,600 65 29 12 29 01-12-95 20 79 2,200 240 8 8 6 0 15 04-19-95 1906 2,700 80 39 28 45 07-29-95 18 76 2,800 68 52 57 81 03-20-96 16 87 1,700 33 12 5 1 26 06-26-96 16 16 3,100 37 67 85 82 01-21-97 15 09 4,600 100 7 0 190 190 04-30-97 13 20 6,900 97 59 230 230 08-21-97 1400 9,200 140 15 380 400 12-04-97 1434 6,800 150 79 340 330 03-31-98 9 40 6,300 140 73 260 270 06-30-98 913 91000 170 93 350 360 09-30-98 1059 7,000 150 45 390 390 12-30-98 1069 7,500 140 36 440 460 03-30-99 9 40 6,300 86 6 5 270 240 ' 06-29-99 1000 4,600 76 8 5 220 200 MW-3 10-06-99 1140 8,900 95 <0 5 250 200 (15'-35') 12-29-99 11 90 6,900 110 <3 0 390 280 ' 04-07-00 8 92 7,700 75 3 6 250 170 07-31-00 1018 8,200 48 14 340 250 11-02-00 1132 7,500 39 5.3 430 230 05-03-01 10 06 51100 53 3 6 250 120 09-08-01 1234 4,300 55 2 5 250 97 Ot-26-02 13 34 2,500 20 2 4 5 5 92 05-30-02 1232 3,200 <0 5 2.3 70 23 09-09-02 1489 2,400 <0 5 <0 5 30 6 0 ' 01-09-03 1459 2,200 <0 5 <0 5 17 22 04-2I-03 1408 2,600 <0 5 <0 5 16 2 0 08-01-03 1522 1,600 2 6 <1 0 17 41 11-28-03 15 34 1,700 <0 5 3 1 11 54 04-01-04 13 61 2,100 <0 5 <0 5 8 7 <0 6 1248-04 1440 1,700 <0 5 <0 5 <0 5 <0 6 05-10-05 11 03 1,800 <0 5 <0 5 <0 5 <0 6 05-11-05 -- 3,000 <0 5 4 4 12 4 8 ' 08-10-05 11 57 900 190 3 3 13 <0 6 10-25-05 1270 31100 <0 5 3 0 14 <0 6 2700 <, r- mss- ,�j. -7 c, 1 ' I� I ' Advanced GeoEnviroumental,Inc