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TABLE 2 GROUND WATER SAMPLE ANALYTICAL. RESULTS Beacon Station 8494 2185 East Fremont Street, Stockton,CA (concentrations in micrograms per liter) ;Momtormg Date Total I,2- Well Sampled $enzen4 Toluene Ethylbenzexae 7fylenas`. I'PHg* DCA ', TCE MW-1 04-17-92 <0.5 <0.5 <0.5 <0.5 <50 10-30-92 <0.5 <0.5 <0.5 <0.5 90 02-04-93 0-94 <0.5 <0.5 0.68 110 04-15-93 13 <0.5 <0.5 1.1 130 07-27-93 89 <0.50 <0.50 1.9 960 10-26-93 21 0.63 <0.50 2.2 130 11-22-93 <0.50 <0.50 3-25-94 <0.50 <0.50 <0.50 <0.50 <50 <0.50 <0.50 MW-2 04-17-92 16 0.8 <0.5 1.2 1,000 10-30-92 14 0.63 <0.5 0.74 940 02-04-93 <0.5 0.51 <0.5 <0.5 330 04-15-93 6.9 <0.5 <0.5 <0.5 710 <0.10 <0.10 07-27-93 5.7 <0.50 <0.50 <0.50 480 <0.10 <0.10 10-26-93 3.1 <0.50 <0.50 0.68 930 11-22-93 <0.50 <0.50 3-25-94 0.77 <0.50 <0.50 <0.50 180 <0.50 <0.50 MW-3 04-17-92 180 220 39 170 3,600 10-30-92 670 28 <25 57 4,200 02-04-93 120 8.7 <1.0 30 830 04-06-93 2.6 <0.50 04-15-93 690 79 1 <5.0 130 2,800 04-26-93 2.1 <0.50 07-27-93 2,300 120 <25 170 7,000 10-26-93 3,100 77 <50 190 9,600 11-24-93 <0.50 <0.50 3-25-94 130 2.6 <0.50 6.3 1,500 <0.50 <0.50 MW-4 12-14-92 40 0.58 <0.5 2.6 880 02-04-93 92 <0.5 <0.5 3.6 1,200 04-15-93 42 1.2 <0.5 4.3 680 07-27-93 2.6 <0.50 <0.50 <0.50 190 10-26-93 100 <0.50 <0.50 2.3 640 11-22-93 <0.50 <0.50 3-25-94 44 <0.50 <0.50 0.81 800 <0.50 <0.50 MW-5 12-14-92 <0.5 <0.5 <0.5 <0.5 <50 02-04-93 1.2 <0.5 <0.5 0.67 63 04-15-93 <13 <13 <13 24 7,500' 05-11-93 <5.0 <5.0 <5.0 9.1 8,100, 07-27-93 3.1 7.0 0.77 10 570 0.18 0.13 10-26-93 0.68 0.87 <0.50 1.0 290 11-22-93 2.6 <0.50 3-25-94 0.76 <0.50 <0.50 <0.50 82 <0.50 <0.50 'TPHg = total petroleum hydrocarbons as gasoline. "1,2-DCA = 1,2-dichloroethane. °TCE = trichloroethene. Laboratory reports indicate "not typical gasoline fingerprint."