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Tab Pagef 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,MSL? (feet,TOC) In feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mgA <br /> 8116/90 1789 -- -1731 -129 - -- <br /> BHD-1 9117190 1724 -- -1666 065 -- -- -- -- -- <br /> (cont) 9118/90 1724 -- -1666 000 2,000 110 9 30 650 <br /> 10/11/90 1731 -- -1673 -007 - -- -- - <br /> 1216/90 1724 -- -1666 007 -- -- -- - - <br /> 2111/91 1692 -- -1634 032 6,000 890 60 1,000 360 <br /> 2/25/91 1686 -- -1628 006 -- -- -- -- -- <br /> 4/23/91 1599 -- -1541 087 3,300 240 48 440 130 <br /> 7/16/91 1800 -- -17 42 -201 7,000 420 420 400 830 -- <br /> 10/8/91 1850 — -1792 -050 3,000 220 <4 0 210 15 <br /> 1/22/92 1712 — -1654 138 4,600 200 240 <10 260 - <br /> 4/22t92 1639 -- -1581 073 3,000 130 67 200 120 <br /> 7/29/92 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 /> 4/29193 1336 -- -1278 191 7,000 340 <20 610 460 - <br /> 815/93 1485 -- -1427 -149 10,000 280 31 930 950 <br /> 11/10/93 1523 -- -1465 -038 10,000 220 11 570 420 <br /> 3/21/94 1436 — -1378 087 8,600 83 14 480 360 <br /> 6/27/94 1430 -- -1372 006 9,600 110 32 490 420 <br /> 9/29/94 1546 -- -1488 -1 16 7,200 170 12 460 340 <br /> 12J8/94 1499 -- -1441 047 8,200 160 14 560 640 <br /> 3/8/95 1281 -- -1223 218 6,000 84 62 300 97 <br /> 6/1/95 1129 -- -1071 152 7,100 97 <5 370 250 <br /> 9/11/95 1321 -- -1263 -192 5,600 110 6 340 270 <br /> 1215/95 1370 -- -1312 -049 9,200 74 <10 470 410 - <br /> 3/18/96 938 -- -880 432 4,200 99 28 360 320 - <br /> 6/18196 950 -- -892 -012 5,500 82 <10 430 300 <100 <br /> 9/25/96 1180 -- -11 22 -230 4,600 75 55 280 160 <50 <br /> 12/4/96 1150 -- -1092 030 4,500 83 11 350 220 <50 -- <br /> 3/19/97 P 702 -- -644 448 2,300 54 <10 190 100 - 01 <br /> 615197 NP 838 -- -780 -136 3,500 39 3 76 12 170 02 <br /> 8/19197 NP 998 -- -940 -1 60 440 79 094 <0 5 <0 5 360 02 <br /> 11/25/97 NP 1042 -- -984 -044 1,300 28 085 79 28 220 -- <br /> 3/20/98 P 445 -- -387 597 490 34 3 37 24 210 54 <br /> 077 41930 803/GW Tables <br />