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Tab Pag*f 32 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,California <br /> Well Depth Product Groundwater Groundwater Total <br /> Date Elevation to Water thickness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE DO <br /> Sampled (feet,MSI.) (feet,TOC) In feet (feet,MSI.) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mg/l <br /> I <br /> E 9 8!26188 156 -- -- -- 4,700 4,900 1,400 5,100 - <br /> 11/28/86 -- -- - -- - 780 1,100 400 1,280 <br /> 2127/89 — -- - -- 900 100 260 1,700 <br /> 5/30/89 -- -- -- __ _ <br /> 8122189 -- -- - - 690 <500 <500 860 <br /> 1214/89 -- -- -- -- <br /> 1/4190 16 64 — -1508 -- <br /> 211/90 1644 -- -1488 020 <br /> 2115190 1639 — -14 83 005 <br /> 2/22/90 1627 -- -1471 012 -- __ _ <br /> 3/8190 1619 — -1463 008 490 70 360 1,440 <br /> 4/5190 1648 — -1492 -029 -- -- __ -- <br /> 4/19/90 1649 -- -1493 -001 <br /> 5/10190 1686 — -1530 -037 <br /> 5/24190 1677 -- -1521 009 -- <br /> 6/5190 1670 — -1514 007 <br /> 6/18190 1747 — -1591 -077 _ <br /> 7112190 1753 — -1597 -006 .. <br /> 8116190 1782 -- -1626 -029 -- .- <br /> 9/17/90 1815 — -1659 -033 -- -- -- - - <br /> 9119190 1815 -- -1659 000 24,000 130 140 80 6,000 <br /> 10/11/90 1824 — -1668 -009 -- -- .- -- __ <br /> 12/6/90 1811 -- -1655 013 -- - -- _ <br /> 2112/91 1780 — -1624 0 31 18,000 2,600 130 610 4,700 <br /> 2/25/91 1876 — -1720 -096 -- -- __ -- <br /> 4/23191 1689 -- -1533 187 <br /> 7115/91 Dry -- .. -- - -- - <br /> I ON91 Dry .- <br /> 1122192 1824 -- -1668 -- -- -. - -- -- <br /> 4/22/92 1745 — -1589 079 3,600 170 10 50 120 <br /> 7/29/92 Dry -- .. -- -- - - - <br /> 10/29/92 1719 -- -1563 8,900 480 32 440 1,100 - <br /> 1/27/93 1610 -- -1454 109 12,000 390 25 310 730 <br /> 4/29/93 1419 -- -1263 1 91 12,000 270 <98 150 380 <br /> 815/93 15 83 — -1427 -164 16,000 370 22 220 460 <br /> 11/10/93 1618 — -1462 -035 12,000 210 21 200 390 <br /> 3/21/94 1551 -- -1395 067 6,300 170 24 200 320 <br /> 077 41 930 803/GW Tables <br />