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• Table 2-Performance japata-May 3,2000 <br /> Tosco(Former B ion No 11194 . <br /> 2375 Tracy oulevard <br /> Tracy,California <br /> Elapsed AMW-5 MW-2 OBS-E MW-3 Notes <br /> Time in Depth to Depth to Depth to Depth to <br /> Minutes Groundwater Groundwater Groundwater Groundwater <br /> 6'to AMW-5 35'to AMW-5 43'to AMW-5 <br /> 6 5'to UST slab 5 5'to UST slab In UST pit 7 5'to UST slab <br /> 0 568 582 52 461 Start pumping groundwater from AMW-5 <br /> 5 Drawdown until dry 582 520 461 Groundwater drawn down until AMW 5 is dry <br /> 10 Drawdown until dry 582 521 460 <br /> 15 Drawdown until dry 581 520 460 <br /> 20 Drawdown until dry 581 520 461 <br /> 25 Drawdown until dry 582 520 461 <br /> 30 Drawdown until dry 582 520 460 <br /> 40 Drawdown until dry 582 520 460 <br /> 50 Drawdown until dry 582 520 461 <br /> 60 Drawdown until dry 582 520 461 <br /> 70 Drawdown until dry 582 520 461 <br /> 80 Drawdown until dry 582 520 461 <br /> Stop pumping after 90 minutes- 250 gallons removed <br /> 90 Drawdown until dry 582 520 461 <br /> 91 1273 No Drawdown No Drawdown No Drawdown <br /> 94 1003 -- -- "" <br /> 101 62 — - <br /> 110 575 582 -- Start pumping on OBS-W conductor casing <br /> 115 574 582 -- -- <br /> 120 574 587 -- -- <br /> 130 577 587 -- 465 Conductor casing OBS-W pumped dry-12'depth <br /> 140 5 78 597 -- 465 <br /> 150 584 602 -- 468 <br /> 160 587 605 -- 470 <br /> 170 59 608 -- 472 <br /> 180 592 611 -- 473 3hours total time170 minutes with conductor casing drawdown <br /> 018'drawdown 0 29'drawdown Dry-In UST pit 0 12'drawdown 4,000 gallons removed in 180 minutes <br /> in 70 minutes in 70 minutes 7 3'deep in 70 minutes <br /> 0 24'drawdown <br /> in 180 minutes <br /> Notes <br /> Depth to groundwater measured from top of casing <br /> --=not measured <br /> Paget <br />