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Tab* i
<br /> Groundwater Monitoring Data and Analytical Results
<br /> Former Unocal Service Station#10187
<br /> 437 East Miner Avenue
<br /> Stockton,California
<br /> Product
<br /> WELL IDI DATE DTW sl GWE Thickness TPH-G B T E X MTBE
<br /> TOC* (ft:) (ft-bgs) (msf) (ft) (pp b) (ppb) (Ppb) (pp b) (ppb) (ppb)
<br /> NP-1-22 02122-23100 2481 -- -1450 000 20,00010 1,300 230 2,400 2,100 <250/<104
<br /> (cont) 05/30-31/00 2351 -1320 000 17,80010 1,200 170 2,140 2,780 <200/<20 04
<br /> 08131-09101100 2423 -3 , -1392 000 17,500'0 1,280 138 2,010 3,230 <1,0001<40 04
<br /> 1062 11120-2210021 2478 -1416 000 16,70010 1,010 102 1,800 2,230 <250/<20 04
<br /> 12/07/00 2473 -1411 000 16,800'0 1,100 100 1,860 2,040 --
<br /> 02/26-27/01 2442 -1380 000 5,340 985 997 83 9 307 976/66 4
<br /> 05114-16101 2444 -1382 000 8,70010 161 276 181 693 <250/6 704
<br /> NP-1-65 02/05/99 2537 -- -- 000 73,000 7,000 19,000 2,400 14,000 --
<br /> 1014 05/07/99 2419 -1405 000 86,000 6,400 15,000 2 500 14,000 --
<br /> 08/20/99 2480 -1466 000 65,000i0 3,800 11,000 2,000 10,000 --
<br /> 11/23-24/99 2564 -1550 000 50,400'0 2,570 8,240 1,440 7,070 <1,000/<1004
<br /> 02122-23100 2490 -1476 000 48,00010 3,100 10,000 1,700 8,100 <1,000/<104
<br /> 05/30-31/00 2357 -1343 000 36,400'0 1,510 5,650 1,100 5,410 5111<40 04
<br /> 08/31-09101/00 2447 -1433 000 29,600'0 1,460 5,020 848 4,230 <2,000/<40 04
<br /> 1092 11/20-2210022 2492 -1400 000 38,400'0 1,660 6,510 1,200 5,710 <I,000/<66 74
<br /> 12/07/00 2489 -1397 000 34,200'0 1,710 5,900 980 4,730 --
<br /> 02/26-27/01 2435 -13 43 000 <50 0 <0 500 0 609 <0 500 0 544 <2 50/<2 04
<br /> 05114-16/01 2443 -1351 000 93910 185 118 126 160 <25 0/<2 004
<br /> NP-1-111 02/05/99 2555 -- -- 000 1,8006 19 18 <50 210 --
<br /> 10 01 05/07/99 2436 -1435 000 530 15 <50 <50 13 --
<br /> 08/20/99 2524 -1523 000 <500 <50 <5 0 <5 0 <50 --
<br /> 11/23-24/99 2591 -1590 000 4741° 16 7 0 512 0 745 0 559 <5 00/<2 004
<br /> 02/22-23/00 2522 -1521 000 20013 89 052 052 <0 50 3 4/<2 04
<br /> 05130-31100 2379 -1378 000 2727 112 <0 500 <0 500 <0 500 <5 001<2 004
<br /> 08131-09/01/00 2496 -1495 000 26510 165 160 0 904 169 <5 00/<2 004
<br /> 1075 11120-22/0023 2526 -1451 000 21016 1 l 8 255 0 612 183 <5 00/<2 004
<br /> 0187 xls/#280045 IS As of 05/16/01
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