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. Tahw
<br /> Groundwater Monitoring W and Analytical Results
<br /> Former Unocal Service Stan on#0187
<br /> 437 East Miner Avenue
<br /> Stockton,California
<br /> Product
<br /> LWEL'LDI DATEDTW SI GWE Thickness TPH-G B T E X MTBE
<br /> ) (ft) (ft bgs) (MSI) (ft) (Ppb) (ppb) (Ppb) (Ppb) (Ppb) (Ppb)
<br /> NP-1-22
<br /> 02/05/99 2539 -- -- 000 22,0008 930 190 2,000 2 300
<br /> 1031 05/07/99 2418 -1387 000 21,000 940 300 1,900 2,900 --
<br /> 08/20/99 2460 -1429 000 25,00010 1,300 400 2,000 2,600 --
<br /> 11/23-24199 2557 -1526 000 16,90010 845 205 1,560 1,980 <1,000/<4004
<br /> 02122-23100 2481 -1450 000 20,0001n 1,300 230 2,400 2,100 <250/<l04
<br /> 05/30-31100 2351 -1320 000 1780010 1 200 170 2,140 2 780 <200/<20 04
<br /> 08131-09/01100 2423 -1392 000 17,50010 1,280 138 2,010 3,230 <1,0001<40 04
<br /> 1062 11/20-2210021 2478 -1416 0 00 16,70010 1,010 102 1,800 2,230 <250/<20 04
<br /> 12/07/00 2473 -1411 000 16,800" 1,100 100 1,860 2,040 --
<br /> 02/26-27101 2442 -1380 000 5,340 98 5 997 819 307 976/66 4
<br /> 05/14-16/01 2444 -1382 000 8,70010 161 276 181 693 <29016704
<br /> 08/13-15/01 2504 -1442 000 9,10010 200 45 300 920 <100/<104
<br /> 11/26-28/01 2626 -1564 000 7,50010 190 63 220 740 <250/2 04
<br /> 02125-27/02 2543 -1481 000 12,00011 260 63 410 1,200 <20012 14
<br /> 05107-09/02 2558 -1496 000 9,00010 260 67 350 960 <250/<2 04
<br /> 08/12-14102 2602 -1540 000 11029 21 1-3 097 15 3 41<104
<br /> NP-1-65 02/05/99 2517 -- 000 73 000 7,000 19,000 2 400 14,000 --
<br /> 1014 05/07/99 24 19 -1405 000 86,000 6,400 15,000 2,500 14,000
<br /> 08/20/99 24 80 -1466 000 65,000E0 3,800 11,000 2,000 10,000
<br /> 11123-24199 25 64 -1550 000 50,40010 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 /> 05130-31100 2357 -1343 000 36,40010 1,510 5,650 1,100 5,410 5111<4004
<br /> 08/31-09/01/00 2447 -1433 000 29,60010 1,460 5,020 848 4,230 <2,000/<40 04
<br /> 1092 11/20-22/0022 2492 -1400 000 38,40010 1,660 6,510 1,200 5,710 <1,0001<66 74
<br /> 12/07/00 2489 -1397 000 34,20010 1,710 5 900 980 4,730 --
<br /> 02/26-27/01 2435 -1343 000 <50 0 <0 500 0 609 <0 500 0 544 <2 50/<2 04
<br /> 05/14-16101 2443 -13 51 000 93910 185 118 126 160 <25 01<2 004
<br /> 08113-15101 25 57 -1465 000 5,900S1 160 980 180 870 <100/<2 04
<br /> 0187 xls/#280045 19 As of 08/14/02
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