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' r <br /> ' I <br /> r � <br /> TABLE 5 � I <br /> • HISTORICAL ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> ' EPA METHODS 8015M/8021 <br /> Former Chase Chevrolet (Madison) Facility <br /> 423 North Madison Street, Stockton, California <br /> E " Dep <br /> E, <br /> I ' Loccaattiion Sample o� TPH-g TPH-d TPH-mo MTBE Benzene Toluene Ethyl Xylene <br /> (screen) Date Water benzene <br /> � I 1 <br /> MW-20A 08-12-98 1475 <50 92 <250 NA <0 5 <05 <0 5 <0 5 <br /> (12-32) 11-03-98 1623 <50 200 <250 <50 <0 5 <05 <0 5 <0 5 <br /> 02-02-99 1574 <50 170 <250 _ <50 <05 <05 <05 <0 5 <br /> 05-05-99 1501 <50 130 <250 <50 <0 5 13 <0 5 is <br /> 08-11-99 15 39 <50 <50 <250 <50 <05 <05 <05 055 <br /> 11-09-99 1663 3,200 3,900 480 <10 280 43 190 21 <br /> 02-08-00 1610 <50 1140 <250 <50 <05 <05 <05 <0 5 <br /> 05-10-00 1441 <50 150 <250 <50 <05 <05 <0 5 <0 5 <br /> 08-21-00 1525 <50 140 <250 <50 <05 <0 5 <0 5 <0 5 <br /> 11-28-00 1657 <50 200 <250 <50 <05 <05 <0 5 <0 5 <br /> 02-28-01 1589 <50 220 <250 <50 <05 <05 <05 <0 5 <br /> 05-21-01 1583 <50 190 <250 <50 <05 <0 5 <05 <0 5 <br /> 08-16-01 1644 <50 200 <250 <50 <05 <0 5 <05 <0 5 <br /> 11-14-01 1755 <50 100 <250 <50 <05 <0 5 <05 <05 <br /> ' 02-13-02 1679 <50 190 <250 <50 <05 <0 5 <05 <05 <br /> 05-16-02 1683 <50 110 <250 <50 <05 <0 5 <0 5 <05 <br /> 09-30-02 1769 NS NS NS NS NS NS NS NS <br /> 12-02-02 1838 NS NSA NS NS NS NS NS NS <br /> • 02-21-03 17 71NS NS NS NS NS NS NS NS <br /> 05-08-03 1776 <50 86 <250 <05 <05 <0 5 <0 5 <0 5 <br /> 08-07-03 1850 NS NS NS NS N5 NS NS NS <br /> MW-21A 08-12-98 13 18 91000 7,800 320 NA 210 Ss 230 47 <br /> (12-32) 11-03-98 1476 3,200 18,000 1,200 <10 170 27 160 39 <br /> 02-02-99 1419 4,200 6,500 500 <10 240 <0 5 210 45 <br /> 05-05-99 13 53 5,200 8,900 <250 <50 170 3 0 140 31 <br /> 08-11-99 1390 2,900 8,600 <250 <10 190 47 120 27 <br /> 11-09-99 1513 <50 110 <250 <50 <05 <0 5 <05 <0 5 <br /> 02-08-00 1458 3,800 3,100 810 <18 1,500 38 1,200 66 <br /> 05-10-00 1290 3,900 2,400 300 <50 210 31 97 14 <br /> 08-21-00 13 74 2,900 2,900 320 <50 210 27 180 61 <br /> 11-28-00 1507 2,700 3,200 630 <50 230 20 230 13 <br /> 02-28-01 1436 2,200 5,100 3,000 <50 180 22 130 83 <br /> 05-21-01 1436 11,000 4,900 1,900 <50 150 i 28 110 <0 5 <br /> 08-16-01 1493 3,300 8,800 750 <50 160 23 180 58 <br /> 11-14-01 1603 3,000 6,900 840 <10 190 27 230 50 <br /> 02-13-02 1525 4,500 7,700 930 <50 200 27 200 12 <br /> 05-16-02 1532 7,300 8,100 <2,500 <10 130 1 7 160 3 8 <br /> ' 09-30-02 1618 NS NS NS NS NS NS NS NS <br /> 12-02-02 1686 NS NS NS NS NS NS NS, NS <br /> 02-21-03 1618 NS NS NS NS NS NS NS NS <br /> 05-08-03 1622 2,900 3,900 <250 NA 150 <2 5 160 16 <br /> ' 08-07-03 1699 NS NS NS NS NS NS NS NS <br /> ' Advanced GeoEnviron mental,Inc <br /> r <br /> 1 r <br />