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<br /> TA 1IE
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<br /> Analytical Results of Ground Water Samples
<br /> PACIFIC CAR WASH
<br /> 4405 Pacific Avenue, Stockton, California
<br /> Ground Screen
<br /> Welk Date Water Interval TPH-G Benzene Toluene Ethyl Xylene MTBE MTBE DIPE ETBE TAME TBA
<br /> I D Depth ft bs benzene 8020 8260
<br /> 11-24-97 3470 95,000 9,700 10,000 1,600 9,700 1,800 1,200 ND<40 ND<40 ND<40 320
<br /> 02-18-98 28 81 96,000 13,000 15,000 2,000 12,000 1,700 1,100 ND<40 ND<40 ND<40 ND<200
<br /> 05-14-98 2441 43,000 5,000 7,300 1,100 6,700 780 620 ND<25 ND<25 ND<25 ND<250
<br /> 10-19-98 2710 66,000 5,500 91100 1,200 7,200 860 640 ND<50 ND<50 ND<50 ND<250
<br /> 01-21-99 27 87 53,000 4,800 6,600 11100 6,600 910 600 ND<50 ND<50 ND<50 ND<250
<br /> 04-15-99 2400 40,000 2,800 4,300 850 4,900 350 310 ND<10 ND<10 ND<10 ND<50
<br /> 07-29-99 26 35 50,000 4,800 3,400 980 5,500 370 380 11 ND<10 ND<10 ND<10
<br /> 10-12-99 2762 50,000 8,900 3,500 950 5,300 760 320 ND<10 ND<10 ND<10 ND<50
<br /> MW-1 01-20-00 2774 48 to 53 38,000 7,300 2,200 650 3,500 470 650 ND<50 ND<50 ND<50 ND<250
<br /> 04-14-00 2293 37,000 3,400 1,600 750 4,100 310 230 ND<10 ND<10 ND<10 ND<50
<br /> 08-17-00 25 98 41,000 4,000 2,600 540 4,300 440 260 ND<50 ND<50 ND<50 ND<5000
<br /> 12-01-00 2742 54,000 12,000 1,700 810 4,800 580 580 11 ND<10 ND<]0 ND<50
<br /> 03-27-01 2749 54,000 8,900 1,200 680 3,700 540 320 11 ND<5 ND<5 ND<25
<br /> 00-26-01 2839 44,000 11,000 1,300 740 4,100 540 430 ND<25 ND<25 ND<25 ND<1000
<br /> 09-25-01 3044 47,000 12,000 1,700 840 5,000 550 490 11 ND<10 ND<10 ND<50
<br /> 12-31-01 3060 25,000 8,600 850 340 1,800 460 530 13 ND<12 5 ND<12 5 ND<500
<br /> 11-24-97 3440 150,000 10,000 21,000 3,000 17,000 950 1,100 ND<40 ND<40 ND<40 ND<200
<br /> 02-18-98 3120 180,000 11,000 34,000 4,900 26,000 670 480 ND<40 ND<40 ND<40 ND<200
<br /> 05-14-98 2464 91,000 2,700 10,000 4,100 25,000 ND<100 ND<35 ND<35 ND<35 ND<35 ND<350
<br /> 10-19-98 2765 93,000 ND<500 2,100 2,800 16,000 ND<500 ND<35 ND<35 ND<35 ND<35 ND<180
<br /> 01-21-99 27 85 100,000 1,000 6,900 3,000 16,000 ND<500 ND<50 ND<50 ND<50 ND<50 ND<250
<br /> 04-15-99 2420 88,000 440 3,000 2,700 12,000 ND<250 ND<25 ND<25 ND<25 ND<25 ND<130
<br /> 07-29-99 2634 65,000 ND<250 270 1,800 4,500 ND<250 ND<25 ND<25 ND<25 ND<25 ND<130
<br /> MW-2 10-12-99 2773 25 to 45 605000 ND<250 540 1,500 4,500 ND<250 17 ND<6 3 ND<6 3 ND<6 3 ND<32
<br /> 01-20-00 2830 68,000 310 3,100 2,100 10,000 ND<250 32 ND<25 ND<25 ND<25 ND<130
<br /> 04-14-00 2322 70,000 ND<250 1,300 1,700 7,000 ND<250 12 ND<5 ND<5 ND<5 ND<25
<br /> 08-17-00 2598 55,000 ND<100 110 1,100 2,600 ND<200 ND<50 ND<50 ND<50 ND<50 ND<5000
<br /> 12-01-00 2795 82,000 110 1,400 2,100 10,000 ND<100 ND<10 ND<10 ND<10 ND<10 ND<50
<br /> 03-27-01 2768 90,000 210 1,300 2,900 16,000 ND<100 ND<20 ND<20 ND<20 ND<20 ND<100
<br /> 06-26-01 2842 84,000 ND<125 630 2,800 14,000 ND<125 ND<25 ND<25 ND<25 ND<25 ND<100
<br /> 09-25-01 3042 87,000 210 1,400 3,700 21,000 ND<250 ND<10 ND<10 ND<10 ND<10 ND<50
<br /> 12-31-01 3081 58,000 1 1,500 1 2,900 1 2,300 1 14,000 1 ND<125 63 ND<12 5 ND<12 5 ND<12 5 ND<12 5
<br /> Advanced GeoEnvironmental,Inc
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