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TABLE 2
<br /> Analytical Results of Ground Water Samples
<br /> SIERRA LUMBER
<br /> 375 West Hazelton Avenue, Stockton, California
<br /> Ground Screen
<br /> Well Ethyl- M0MTBE
<br /> Date Water Interval TPH-g Benzene Toluene Xylenes M20 B 8264 DIPS TAME ETRE TSA
<br /> I e
<br /> Depth ft bs benzene
<br /> 10-28-94 3235 19,000 2,700 2,500 160 1,100 NA NA NA NA NA NA
<br /> 12-11-95 2869 21,040 5,200 1,800 510 960 NA NA NA NA NA NA
<br /> 03-12-96 2595 21,000 3,800 2,200 420 1,900 NA NA NA NA NA NA
<br /> 06-12-96 2426 12,040 2,200 740 320 910 ND<50 NA NA NA NA NA
<br /> 09-11-96 2496 15,000 3,800 1,200 600 1,300 80 NA NA NA NA NA
<br /> 01-20-97 2189 31,000 4,500 4,700 800 3,100 91 NA NA NA NA NA
<br /> 04-21-97 21 16 69,000 8,500 8,500 2,400 11,000 ND<120 NA NA NA NA NA
<br /> MW-1 06-16-98 1647 20 to 40 19,000 1,700 36 1,200 1,700 ND<40 ND<70 ND<70 ND<70 ND<70 ND<700
<br /> 09-16-98 1780 15,000 2,200 35 980 220 ND<50 ND<10 51 ND<10 ND<10 ND<60
<br /> 12-10-98 1870 10,000 1,500 31 660 77 ND<100 ND<10 34 ND<10 ND<10 ND<50
<br /> 03-15-99 1781 8,400 770 35 520 280 ND<50 ND<5 20 ND<5 ND<5 ND<25
<br /> 06-22-99 1810 62,000' 410 26 160 180 ND<50 22 66 ND<5 ND<5 63
<br /> 09-10-99 1925 4,700` 630 37 230 540 ND<5 15 6 ND<1 ND<1 ND<5
<br /> 04-28-00 1724 400' 39 066 23 21 ND<5 ND<1 1 1 ND<l ND<1 ND<5
<br /> 01-18-01 1927 1,700 140 24 98 77 ND<5 ND<1 33 ND<1 ND<1 ND<5
<br /> 04-23-01 1865 1 3,5001 260 2 1 210 200 ND<5 I ND<50 ND<50 ND<50 ND<50 I ND<250
<br /> 10-28-94 3368 97,000 23,000 11,000 1,400 7,800 NA NA NA NA NA NA
<br /> 12-11-95 2354 170,000 16,000 37,000 3,300 18,000 NA NA NA NA NA NA
<br /> 03-12-96 25 84 160,000 6,500 40,000 3,900 19,000 'NA NA NA NA NA NA
<br /> 06-12-96 2430 140,000 6,200 33,000 3,900 19,000 ND<250 NA NA NA NA NA
<br /> 09-11-96 2502 110,000 5,600 26,000 4,000 20,000 300 NA NA NA NA NA
<br /> 01-20-97 2138 93,000 3,000 19,000 2,800 13,000 ND<280 NA NA NA NA NA
<br /> 04-21-97 2138 80,000 5,600 11,000 2,500 12,000 ND<490 NA NA NA NA NA
<br /> 06-16-98 1652 61,000 7,300 6,900 2,400 12,000 ND<530 320 ND<130 ND<130 ND<130 ND<130
<br /> MW-2 09-16-98 1796 201to 44 120,000 20,000 25,000 3,700 19,000 690 240 ND<100 ND<100 NIX100 ND<500
<br /> 12-10-98 1875 52,000 760 580 2,200 11,000 ND<200 ND<20 ND<20 ND<20 ND<20 ND<100
<br /> 03-15-99 1727 1 39,000 880 2,800 1,700 8,400 ND<100 ND<35 ND<35 ND<35 ND<35 ND<180
<br /> 06-22-99 1800 32,0001 830 3,500 1,400 6,200 ND<200 ND<15 ND<15 ND<15 ND<15 ND<75
<br /> 09-10-99 1917 19,000` 140 1,900 790 2,900 ND<170 ND<1 ND<1 ND<1 ND<1 ND<5
<br /> 04-28-00 1726 6,900' 46 160 300 970 ND<20 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<12 5
<br /> 0"3-00 1789 5,400 15 91 290 860 ND<10 ND<5 ND<5 ND<5 ND<5 ND<25
<br /> 04-23-01 1856 3,100' 56 27 110 290 ND<5 ND<5 ND<5 ND<5 ND<5 ND<25
<br /> Advanced GeoEnvironmenlal,Inc.
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