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Table 2
<br /> Groundwater Elevation Analytical Data
<br /> Chevron Service Station#9-4275
<br /> 2905 Benjamin Holt Drive
<br /> Stockton,Califomia
<br /> Well Groundwater Depth Ethyl- Xylenes
<br /> Well Date Elevation Elevation to Water TPI-Ig Benzene Toluene benzene (total) MtBE
<br /> ID Sampled A MSL) (R,MSL) (ft roc) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb)
<br /> MW-1 03/22/89 224 -1405 1629 30,000 3 600 1,300 1 100 2 700
<br /> 06/12/89 -1467 1691 20,000 4,400 1 600 2,900 5 900
<br /> 09/07/89 -1614 1838 20,000 4 100 480 920 1 500
<br /> 12/18/89 -1536 1760 17,000 4,200 200 17 1 200
<br /> 03/20/90 -1498 1722 13,000 6 400 580 2200 1 200
<br /> 07/03/90 1580 1804 17,000 4,800 410 1,300 1 200
<br /> 10119190 -1710 1934 16,000 4 800 290 1 700 700
<br /> 10/19190 (D) 17,000 5,600 270 1700 660
<br /> 01/17/91 1680 1904 10,000 31100 38 950 170
<br /> 01/17/91 (D) - - 9 800 3,200 39 980 170
<br /> 03/19/91 - - 16,000 2,900 45 960 290
<br /> 07118/91 -1696 1920 12,000 3 300 90 1,100 250
<br /> 07/18/91 (D) -- -- 12,000 3,300 90 1100 250
<br /> 10/31/91 -1738 1962 9 800 2,600 18 720 180
<br /> 01/16/92 -1658 1882 12,000 3,600 54 960 370
<br /> 03/11/92 -1538 1762 -- -- --
<br /> 03/17/92 -1536 1760 9 800 3,600 150 700 360
<br /> 06/29/92 1698 1922 7,700 3 000 33 600 230
<br /> 12/10/92 1752 1976 4,900 1 300 26 220 130
<br /> 02J04/93 1042 1266 15,000 3,100 70 920 540
<br /> 05/18/93 1362 1586 8 800 1,900 120 730 640
<br /> 08/05/93 -1450 1674 29,000 9,400 1,800 2,900 4900
<br /> 11/09/93 -1500 1724 13,000 3,600 110 810 870
<br /> 01/18/94 -1474 1698 24,000 5 600 100 1 900 2,300
<br /> 06/27/94 -1401 1625 8,400 2,300 59 520 700
<br /> 09/29/94 -1520 1744 9,600 2,100 25 530 590
<br /> 12108/94 -1478 1702 5,700 1,300 19 290 260
<br /> 03/08/95 -1252 1476 4,600 1,100 <25 230 280
<br /> 06/01195 -1099 1323 27,000 4 100 300 1 800 4 000
<br /> 09/11/95 -1293 1517 12,000 2,400 140 790 1 900
<br /> 12/05/95 -1346 1570 8,800 2 500 32 450 710
<br /> 03/18/96 921 11 45 5,000 670 30 180 490 -
<br /> 06/18/96 936 1160 30 000 2,300 260 2,200 7 000 84
<br /> 09/24/96 1121 1345 30,000 2000 46 1 800 3 700 67
<br /> 12/04/96 1076 1300 7,700 800 11 510 570 67
<br /> 02/25/97 650 874 27,000 1,600 520 1 800 6 300 52
<br /> Chevron1942751QMR19-4275 NF
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