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I <br /> Page 26 of 34 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> MARCO Service Station#2133 <br /> 2901 <br /> 8 Benjamin Holt Dr,Stockton,CA <br /> Well Depth Product I Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thlckness� Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (m9L) <br /> BHD-1 5130189 ._ _ <br /> (cont) 8122189 __ -- -_ — .. 2,900 120 870 780 -- -- <br /> 1,450 300 890 1,170 -- -- <br /> 1214189 -- -' -- 1,400 170 1,600 2,800 -- -- <br /> 1/4/90 1570 -- I -151— -- — -- -- <br /> 2/1/90 1542 -- -1484 028 -- <br /> 2115190 15 39 - -14 81 003 -- .. -- -- - -- <br /> 2/22/90 1622 - -15 64 -083 -- -- - -- -- -- <br /> 3/8/90 1517 -- .1459 105 -- 1,250 50 1,870 1,360LI <br /> -- -- <br /> 4/5190 1538 -- -1480 -021 -- -- -- _ -- -- <br /> 4/19/90 1558 -- -15 00 -020 - -- -- -- - -- <br /> 5/10/90 1592 -1534 -034 -- -- -- -- . <br /> 5/24190 1589 -1531' 003 -- -- - _ <br /> 6/5/90 -- <br /> 6/18/90 1637 -- -1579 -- -- 1180 40 2070 860 <br /> 7/12190 1660 -- -16 02 -023 -- -- -- <br /> 8/16/90 1789 -- -17 31'! -1 29 -- -- -- -- -- -- -- <br /> 9/17/90 1724 -- (-16 66 065 -- .. <br /> 9/18/90 1724 - I-16 66 000 2,000 110 9 30 650 --10/11/90 1731 -- I, -1673 -007 -- .. _ . <br /> 1216/90 1724 -- `-1666'1 007 -- <br /> 2111/91 1692 -- 1-16 341 032 6,000 890 60 1,000 360 <br /> 2/25191 1686 -- -1628 006 -- <br /> 4123/91 1599 -- 115 4111 087 3,300 240 48 440 130 .- - <br /> 7/16/91 1800 -- 117 42 -2 01 7,000 420 420 400 830 <br /> 1018191 1850 1.1792 -050 3,000 220 <4 0 210 15 <br /> 1122192 1712 !16 54� 138 4,600 200 240 <10 260 <br /> 4/22192 1639 -- 1-1581 1 <br /> 15811 073 3,000 130 67 200 120 <br /> 7/29/92 1793 — 1-1735 -154 8,100 260 21 600 510 — — <br /> 10/29/92 1835 - i �17 77 -042 1,800 80 <2 5 110 17 <br /> 1/27193 1527 -- -1469 3 08 6,700 270 19 790 300 - -_ <br /> 4/29/93 1336 1278 191 7,000 340 <20 610 460 -- <br /> I <br /> 8/5/93 1485 -- 14 271 -149 10,000 280 31 930 950 — <br /> 11/10/93 1523 -- 1' .1465 -038 10,000 220 11 570 420 - — <br /> 3/21/94 1436 .13 78 087 8,600 83 14 480 360 <br /> 6127194 1430 -- 1 x.13 72 006 9,600 110 32 490 420 - <br /> 9/29/94 1546 - .1488 -1 16 7,200 170 12 460 340 - <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As <br />