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II I <br /> I ' <br /> • TABLE 5 <br /> HISTORICAL ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> ' EPA METHODS 8015NV8021 <br /> I Former Chase Chevrolet (Madison) Facility <br /> 423 North Madison Street, Stockton, California <br /> r <br /> Sample Sample Depth Ethyl- <br /> Location to TPH-g TPH-d TPH-mo MTBE Benzene Toluene benzene Xylene <br /> I <br /> Screen ate Water <br /> MW-1 01-10-91 2578 1,000 NA NA NA 67 91 23 110 <br /> (19-46) 02-27-92 2732 5,800 NA NA NA 33 220 41 180 <br /> 05-28-92 2823 1,200 NA NA NA 22 48 16 73 <br /> + 09-16-92 2825 4,300 NA NA NA 110 330 100 400 <br /> 11-05-92 2844 370 NA NA NA 83 29 12 63 <br /> ' 02-11-93 2880 3,100 NA NA NA 41 110 49 230 <br /> 02-08-94 2838 1,900 NA NA NA 68 I20 130 460 <br /> 05-04-94 2764 3,900 NA NA NA 140 230 230 870 <br /> 08-05-94 2728 2,400 NA NA NA 90 240 120 680 <br /> ' 12-20-94 2686 3,000 NA NA NA 63 80 150 660 <br /> 05-11-95 2782 560 NA NA NA 13 37 25 140 <br /> 10-05-95 2416 280 NA NA NA 63 18 13 70 <br /> 01-30-96 2320 490 100 <250 NA 10 30 69 120 <br /> 02-08-96 2345 170 <50 <250 NA 21 97 39 46 <br /> 05-07-96 2129 2,000 490 180 97 25 25 <0 5 570 <br /> 08-07-96 2090 330 320 <250 <5 0 23 83 67 84 <br /> 11-05-96 21 46 1,300 220 <250 <5 0 16 60 41 390 <br /> 02-04-97 1633 850 300 <250 <5 0 97 25 71 230 <br /> ' • 05-06-97 1872 340 200 <250 <5 0 15 054 18 18 <br /> 08 05-97 1852 65 <50 <250 <5 0 <0 5 <0 5 66 47 <br /> 11 04-97 1936 <50 90 <250 <5 0 <0 5 <0 5 <0 5 080 <br /> 02-04-98 1576 450 200 <250 <5 0 40 60 17 120 <br /> ' 05 07-98 1432 <50 66 <250 <5 0 <0 5 <0 5 095 060 <br /> 08 12-98 1474 <50 <50 <250 ,NA <0 5 <0 5 <0 5 <0 5 <br /> 11-03-98 1852 <50 65 <250 <5 0 <0 5 053 <0 5 <0 5 <br /> 02-02-99 1578 <50 <50 <250 <5 0 <0 5 058 l 3 16 <br /> 05-05-99 1495 350 <50 <250 <5 0 19 54 14 65 <br /> ' <br /> 08-11-99 1533 52 <50 <250 <5 0 053 19 1 5 61 <br /> '11 09-99 1662 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 02-08-00 1620 <50 <50 <250 <5 0 <0 5 <0 5 089 '2 0 <br /> 05-09-00 1460 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> ,I 08-21-00 --- <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 11-28-00 1641 <50 <50 <250 <5 0 <0 5 <0 5 12 <0 5 <br /> 02-28-01 1592 <50 <50 <250 <5 0 <0 5 <0 5 057 054 <br /> 05-21-01 1578 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 08-16-01 1636 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> ' 11-14-01 1754 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 02-13-02 1683 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 05-16-02 1692 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 09-30-02 1772 NS NS NS NS NS NS NS NS <br /> ' 12-02-02 1845 NS NS NS NS NS NS NS NS <br /> 02-21-03 1777 NS NS NS NS NS NS NS NS <br /> 05-08-03 1780 <50 <50 <250 NA <0 5 <0 5 <0 5 <0 5 <br /> 08-07-03 1854 NS NS NS NS NS NS NS NS <br /> r <br /> 4 <br /> I <br /> Advanced GeoEnviron mental,Inc <br /> r <br />