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Tat <br /> Pag*28 r <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) mgll <br /> BHD-1 10/29/92 1835 — -17 77 -0 42 1,800 80 <2 5 110 17 — -- <br /> (cont) 1127/93 1527 -- -1469 308 6,700 270 19 790 300 N — <br /> 41M/93 1336 -- -12 78 1 91 7,000 340 <20 610 460 <br /> 8/5193 1485 — -1427 -1 49 10,000 280 31 930 950 — — <br /> 11/10/93 1523 -- -1465 -0 38 10,000 220 11 570 420 — <br /> 3121194 1436 — -1378 0 87 8,600 83 14 480 360 — <br /> 6127194 1430 — -1372 0 06 9,600 110 32 490 420 — -- <br /> 9129194 1546 — -1488 -1 16 7,200 170 12 460 340 -- -- <br /> 12/B/94 1499 — -1441 0 47 8,200 160 14 560 640 -- — <br /> 318/95 1281 — -1223 218 6,000 84 6 2 300 97 — — <br /> 611l95 11 29 — -1071 1 52 7,100 97 <5 370 250 — <br /> 9/11/95 1321 — -1263 -192 5,600 110 6 340 270 — -- <br /> 12l51'95 1370 — -1312 -0 49 9,200 74 <10 470 410 — — <br /> 3/18196 9 38 — -880 432 4,200 99 28 360 320 -- — <br /> 6118196 9 50 — -892 -012 5,500 82 <10 430 300 <100 — <br /> 9125196 11 80 -- -11 22 -230 4,600 75 5 5 280 160 <50 — <br /> 12/4196 11 50 — -1092 030 4,500 83 11 350 220 <50 -- <br /> 3119197 P 702 -- -6 44 448 2,300 54 <10 190 100 — 01 <br /> 6/5/97 NP 838 — -7 80 -136 3,500 39 3 76 12 170 02 <br /> 8119!97 NP 998 — -940 -160 440 7 9 094 <0 5 <0 5 360 0 2 <br /> 11/25197 NP 1042 — -9 84 -044 1,300 2 8 085 7 9 2 8 220 — <br /> 3120/98 P 445 — -387 597 490 34 3 37 24 210 54 <br /> 6124198 P 592 — -534 -147 5,500 37 <10 170 46 580 3 0 <br /> 9110198 N P 812 — -7 54 -220 349 319 <0 500 0 542 <0 500 567 — <br /> 12117/98 P 770 — -712 042 1,000 25 2 <1 0 109 368 627 — <br /> 3110199 P 6 55 — -5 97 115 432 102 <0 500 1 59 173 263 23 <br /> 6/22199 NP 8 13 — -755 -158 162 <0 5 <0 5 <0 5 <0 5 728 08 <br /> 9113/99 NP 928 — -870 -115 420 <0 5 <0 5 0 956 <05 1,410 12 � <br /> 121160 -- Well Box Inaccessabte -- — — -- <br /> BHD-2 8126188 0 73 -- — -- — — — —11/28188 -- — -- <br /> 2/27189 — -- — — <br /> M0/89 -- -- — <0 5 <br /> 6122189 -- -- — - <05 <05 <0 5 - <br /> 1214189 -- -- -- <br /> 114190 1622 -- -1549 -- — -- _ <br /> 077 41727 006/GW Tables <br />