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TABLE 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES Stockton Plating 632 South El Dorado, Stockton, California (µg/1) Sample I D/ Depth to TPH as Ethyl Date GW* gasoline MTBE Benzene Toluene benzene Xylenes MW-1110-24-94 4780 <50 NA <0 3 <0 3 <0 3 <0 3 MW-1105-23-95 38 98 320 NA 64 052 <0 5 066 MW-1109-29-95 3923 130 NA 1 6 1 3 <0 5 <0 5 MW-1112-21-95 38 87 51 NA <0 5 <0 5 <0 5 <0 5 MW-2110-24-94 4726 <50 NA 072 <0 3 054 081 MW-2105-23-95 3961 260 NA 071 <0 5 1 1 085 MW-2109-29-95 3986 120 NA <0 5 <0 5 <0 5 <0 5 MW-3110-24-94 4725 12,000 NA 8,800 1,300 820 450 MW-3/05-23-95 3953 13,000 NA 5,300 160 640 220 MW-3/09-29-95 39 76 3,200 NA 1,100 18 270 30 MW-3112-21-95 3937 3,200 NA 800 15 190 17 MW-3/03-08-96 36 35 1,300 35 330 1 5 99 29 MW-3/09-18-96 35 87 700 21 140 086 39 22 MW-4112-06-94 --- 320 NA 1 1 <0 3 04 <0 3 MW-4105-23-95 38 93 <200 NA <1 0 <1 0 <1 0 <1 0 MW-4/09-29-95 40 13 <50 NA <0 5 <0 5 <0 5 <0 5 MW-4112-21-95 38 75 71 NA <0 5 <0 5 <0 5 <0 5 MW-4103-08-96 35 72 54 <5 0 <0 5 <0 5 <0 5 <0 5 MW-4/06-03-96 3424 <50 67 <0 5 <0 5 <0 5 <0 5 MW-4/09-18-96 35 30 60 <5 0 <0 5 <0 5 <0 5 <0 5 MW-4112-16-96 3420 <50 <5 0 <0 5 <0 5 <0 5 <0 5 VW-1/12-21-95 3975 230,000 NA 41,000 52,000 4,900 24,000 VW-1106-03-96 3478 220,000 850 38,000 46,000 3,700 19,000 VW-1112-16-96 3510 190,000 700 29,000 40,000 18,000 18,000 VW-2106-03-96 34 54 1,600 52 52 17 390 1 7 VW-2109-18-96 35 64 560 25 41 15 59 14 VW-2/12-16-96 34 88 430 30 44 1 5 12 12 VW-3/03-08-96 3546 120,000 <350 29,000 18,000 2,800 7,900 VW-3112-16-96 3428 120,000 450 24,000 21,000 3,400 11,000 VW-4/12-16-96 3460 3,100 39 490 1 20 1 730 1 12 Notes NA Not analyzed ugll micrograms per liter,approximately equivalent to parts per billion,ppb Ground water depth measurements are in feet