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. � Pag 26 <br /> UP <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,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mg/l <br /> BH D-1 9117/90 1724 -- -1666 065 -- -- - - - <br /> (cont) 9118190 1724 -- -1666 000 2,000 110 9 30 650 = <br /> 10111/90 1731 -- -1673 -007 - -- - <br /> 12/6/90 1724 -- -1666 007 -- - - -- - - <br /> 2111191 1692 -- -1634 032 6,000 890 60 1,000 360 - - <br /> 2/25/91 1686 -1628 006 - -- - - - - <br /> 4/23191 1599 -1541 087 3,300 240 48 440 130 - <br /> 71101 1800 -- -1742 -201 7,000 420 420 400 830 - <br /> 1018/91 1850 - -1792 -050 3,000 220 440 210 15 - <br /> 1122192 1712 -- -1654 138 4,600 200 240 <10 260 - <br /> 4122192 1639 - -1581 073 3,000 130 67 200 120 -- - <br /> 7128192 1793 -1735 -154 8,100 260 21 600 510 - - <br /> 10/29/92 1835 -- -1777 -042 1,800 80 <25 110 17 <br /> 1/27193 1527 -1469 308 6,700 270 19 790 300 -- <br /> 4129/93 1336 - -1278 191 7,000 340 <20 610 460 -- <br /> 815193 1485 -- -1427 -149 10,000 280 31 930 950 - <br /> 11/10/93 1523 - -1465 -038 10,000 220 11 570 420 -- - <br /> 3121194 1436 -- -1378 087 8,600 83 14 480 360 -- -- <br /> 6l27/94 1430 - -1372 006 9,600 110 32 490 420 - -- <br /> 9129194 1546 - -1488 -1 16 7,200 170 12 460 340 - <br /> 1218/94 1499 -- -14 41 0 47 8,200 160 14 560 640 -- - <br /> 3/8/95 1281 - -1223 218 6,000 84 62 300 97 <br /> 6/1/95 11 29 -1071 152 7,1 DO 97 <5 370 250 - - <br /> 9111195 1321 -1263 -192 5,600 110 6 340 270 - <br /> 12/5/95 1370 -- -1312 -049 9,200 74 <10 470 410 - <br /> 3118/96 938 - -880 432 4,200 99 28 360 320 -- <br /> 6118196 950 -- -892 -012 5,500 82 <10 430 300 <100 <br /> 9125196 11 80 -- -1122 -230 4,600 75 55 280 160 <50 <br /> 1714/96 1150 - -1092 0 30 4,500 83 11 350 220 <50 <br /> 3119197 P 702 -- -644 448 2,300 54 <10 190 100 - 009 <br /> 615197 NP 8 38 - -780 -136 3,500 39 3 76 12 170 015 <br /> 8119197 N P 9 98 -- -9 40 -160 440 79 094 <05 <0 5 360 017 <br /> 11/25/97 NP 1042 - -984 -0 44 1,300 28 085 79 2 8 220 -- <br /> 3/20198 P 445 -- -387 597 490 34 3 37 24 210 54 <br /> 6124198 P 5 92 - -534 -147 5,500 37 <10 170 46 580 3 <br /> 9/10198 NP 812 -- -754 -2 20 349 319 <0 500 0 542 <0 500 567 - <br /> 12/17/98 P 770 - -712 042 1,DD0 252 <1 0 109 368 627 <br /> 3110199 P 655 - -597 1 15 432 102 <0 500 159 173 263 23 <br /> 6122!99 NP 813 - -755 -158 162 <0 5 <0 5 <0 5 <0 5 728 08 <br /> 9113199 NP 928 -- -870 -115 420 <0 6 <0 6 0 956 <0 6 1,410 12 <br /> 077 41727 006/GW Tables <br />