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I 1 <br /> TABLE 4 <br /> ' HISTORICAL ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> EPA METHODS 8015M/8021 <br /> Former Chase Chevrolet(Madison) Faculty <br /> 423 North Madison Street, Stockton, California <br /> (kigA) <br /> r <br /> Sample Depth '� ` ' ,� _ 4 1?thyl-4h ,. <br /> Location Sample to TPH-g TPH-d TPH'mo MTBE Benzene Toluene benzer r Xylene, <br /> Date <br /> ' screen) 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 /> i' 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 68 120 130 460 <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 I0 30 69 120 <br /> ' 02-08-96 2345 170 <50 <250 NA 21 97 39 46 <br /> 05-07-96 2128 2,000 490 180 97 25 25 <05 570 <br /> 08-07-96 2080 330 320 <250 <5 0 2.3 8.3 67 84 <br /> '. 11-05-96 21 46 1,300 220 <250 <50 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 1-5 0.54 i8 18 <br /> 08-05-97 1852 65 <50 <250 <50 <0 5 <0 5 66 47 <br /> 11-04-97 1936 <50 90 <250 <5 0 <0 5 <0 5 <05 080 <br /> ' 02-04-98 15 76 450 200 <250 <50 40 60 17 120 <br /> 05-07-98 1432 <50 66 <250 <5 0 <05 <05 095 060 <br /> 08-12-98 l4 74 <50 <50 <250 NA <05 <0 5 <05 <05 <br /> 11-03-98 1852 <50 65 <250 <5 0 <0 5 053 <05 <0 5 <br /> 02-02-99 15 78 <50 <50 <250 <5 0 <0 5 058 13 16 <br /> I' 05-05-99 1495 350 <50 <250 <5 0 19 54 14 65 <br /> 08-11-99 1533 52 <50 <250 <5 0 053 19 is 61 <br /> 11-09-99 l6 62 <50 <50 <250 <5 0 <0 5 <0 5 <05 <05 <br /> 02-08-00 1620 <50 <50 <250 <5 0 <0 5 <0 5 089 20 <br /> ' 05-09-00 1460 <50 <50 <250 <50 <0 5 <0.5 <0 5 <05 <br /> 08-21-00 - <50 <50 <250 <50 <0 5 <0 5 <0 5 <0 5 <br /> 11-28-00 1641 <50 <50 <250 <50 <05 <0 5 12 <0 5 <br /> 02-28-01 1592 <50 <50 <250 <50 <0 5 <0 5 057 054 <br /> 05-21-01 15 78 <50 <50 <250 <50 <0 5 <0 5 <0 5 <05 <br /> i' 08-16-01 1636 <50 <50 <250 <50 <0 5 <05 <05 <0 5 <br /> 11-1401 1754 <50 <50 <250 <5 0 <0 5 <05 <05 <05 <br /> 02-13-02 1683 <50 <50 <250 <5 0 <0 5 <0 5 <05 <05 <br /> 05-16-02 1682 <50 <50 <250 <5 0 <0 5 <05 <0 5 <05 <br /> 09-30-02 1772 NS NS NS NS NS NS NS NS <br /> i' 12-02-02 1845 NS NS NS NS NS NS NS NS <br /> 02-21-03 17 77 NS NS NS NS NS NS NS NS <br /> 1 ' <br /> a <br /> s <br /> Advanced GcoEnvironmental,Inc <br /> 1 � <br />