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1 <br /> ' TABLE 4 <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 /> ' {µg/1) <br /> Sample Depth <br /> Ethyl- <br /> Location <br /> Sample <br /> to TPH-g TPH-d TPH-mo MTBE Benzene Toluene benzene Xylene <br /> screen Water <br /> ' Mw-18 11-20-95 2330 <50 <50 <250 NA <0 5 <0 5 <0 5 <0 5 <br /> (16-36) 02-08-96 2241 <50 <50 <250 NA <05 <0 5 <0 5 <0 5 <br /> 05-07-96 2072 <50 <50 <250 <5 0 <05 <0 5 <0 5 <05 <br /> 08-07-96 2023 <50 <50 <250 <50 <05 <0 5 <0 5 <0 5 <br /> ' 11-05-96 2091 <50 <50 <250 <5 0 <0 5 <05 <0 5 <05 <br /> 02-04-97 1580 <50 <50 <250 <50 <0 5 <0 5 <0 5 <05 <br /> 05-06-97 1828 <50 <50 <250 <50 <0 5 <05 <0 5 <0 5 <br /> 08-05-97 1791 <50 <50 <250 <5 0 <05 <0 5 <0 5 <0 5 <br /> ' 11-04-97 18 80 <50 76 <250 <50 <05 <0 5 <0 5 <0 5 <br /> 02-04-98 1524 <50 <50 <250 <5 0 <05 <0 5 <0 5 <0 5 <br /> 02-02-99 1518 <50 <50 <250 <50 <0 5 <05 <0 5 <05 <br /> 02-09-00 15 53 <50 <50 <250 <50 <0 5 <05 <0 5 <05 <br /> 05-09-00 1375 NS NS NS NS NS NS NS NS <br /> ' 08-21-00 1466 NS NS NS NS NS NS NS NS <br /> 11 28-00 1598 NS NS NS NS NS NS NS NS <br /> 02-28-01 --- NS NS NS NS NS NS NS NS <br /> 05-21-01 1517 <50 <50 <250 <50 <05 <05 <0 5 <0 5 <br /> 08-16-01 NS NS NS NS NS NS NS NS <br /> - <br /> 11-14-01 NS NS NS NS NS NS NS NS <br /> 0213-02 --- NS NS NS NS NS NS NS NS <br /> 05-16-02 1622 <50 <50 <250 <50 <0 5 <05 <0 5 <05 <br /> ' 09-30-02 � NS NS NS NS NS NS NS NS <br /> 12-02-02 NS NS NS NS NS NS NS NS <br /> 02-21-03 1722 NS NS NS NS NS NS NS NS <br /> 05-08-03 1723 <50 <50 <250 NA <0 5 1 <05 <0 5 <05 <br /> ' MW-19A 08-12-98 1329 <50 780 460 NA <0 5 <05 <0 5 <0 5 <br /> (11 31) 11-03-98 1481 <50 180 <250 <5 0 <05 <05 <0 5 <0 5 <br /> 02-02-99 1428 <50 310 <250 <5 0 <05 <0 5 <0 5 <0 5 <br /> 05-05-99 13 63 <SO 140 <250 <50 <05 15 <br /> <05 19 <br /> ' 08-11-99 1401 <50 <50 <250 <5 0 <0 5 092 078 32 <br /> 11-09-99 1)22 <50 170 <250 <5 0 <0 5 <0 5 <0 5 <0 5 <br /> 02-08-00 1467 <50 140 <250 <5 0 <0 5 <05 <0 5 <0 5 <br /> 05-09-00 1300 <50 180 320 <50 <0 5 <05 <0 5 <0 5 <br /> 08-21-00 13 85 <50 170 <250 <50 <0 5 <05 <0 5 <0 5 <br /> ' 11-28-00 15 15 <50 130 <250 <50 <05 <05 <0 5 <0 5 <br /> 02-28-01 1446 <50 <50 <250 <50 <0 5 <05 <0 5 <05 <br /> 05-21-01 1447 <50 74 <250 <50 <05 <0 5 <0 5 <05 <br /> 08-16-01 15 07 <50 71 <250 <50 <05 <05 <0 5 <05 <br /> 11-14-01 1613 <50 52 <250 <5 0 <05 <05 <05 <05 <br /> ' 02-13-02 15 35 <50 <50 <250 <5 0 <0 5 <0 5 <0 5 <05 <br /> 05-16-02 1542 <50 <50 <250 <5 0 <0 5 <05 <0 5 <05 <br /> 09-30-02 1627 NS NS NS NS NS NS NS NS <br /> 12-02-02 1696 NS NS NS NS NS NS NS NS <br /> 02-21-03 1627 NS NS NS NS NS NS NS NS <br /> 05-08-03 1 16 31 <50 1 90 1 <250 NA <0 5 <0 5 <0 5 <0 5 <br /> Advanced GeoEnwronmental,Inc <br />