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Table 1 <br /> Groundwater Monitoring Data and Analytical Results <br /> Former Unocal Service Station 112859 <br /> 1665 Pacific Avenue <br /> Stockton California <br /> Well IDI Date DTW GWE TPH(G) A T P x MTBE <br /> TOC* (ft) (msl) M—) (ppb) (ppb) b) (ppb) b1 <br /> MW-5 08/12/94 4498 -3530 ND ND ND ND ND -- <br /> (cant) 11/08/94 45 14 -3546 ND ND ND ND ND -- <br /> 02/07/95 4291 -33 23 ND ND ND ND ND - <br /> 05/04/95 3950 -2982 ND 22 ND ND 052 -- <br /> 08/10/95 3943 -2975 ND ND ND ND ND -- <br /> 11/09/95 3935 -2967 ND ND 14 ND 16 - <br /> 022108/96 3693 -2725 ND ND ND ND ND -- <br /> 05/08/96 3346 -2378 ND ND ND ND ND ND <br /> 08/07196 34 11 -2443 ND ND ND ND ND ND <br /> 11/14196 3424 -24 56 ND ND ND ND ND ND <br /> 02/14/97 3064 -2096 ND ND ND ND ND ND <br /> 05/07/97 2880 -19 12 ND ND ND ND ND ND <br /> 03/06/98 2706 -1738 ND ND ND ND ND ND1ND4 <br /> 06118/98 23 89 -1421 ND ND ND ND ND NDIND° <br /> 08131/98 2463 -1495 ND ND ND ND 058 NDINO <br /> 1210098 2455 -1487 ND ND ND ND ND ND/ND° <br /> 02/04/99 2389 -1421 ND 10 ND ND 14 —INV <br /> MW-6 03/04/92 -- — 6,400 19 360 350 2,700 -- <br /> 05/21/92 - -- 110 000 85 1,100 1,200 7,400 -- <br /> 08/18192 -- - 51,000 31 830 540 4,600 -- <br /> 11113/92 -- -- 53 000 34 1,400 870 8200 <br /> 1081 03/26/93 4870 -3789 80,000 160 1,300 1,100 10,000 -- <br /> 06/04/93 4692 -36 11 15,000 ND 240 550 3,900 — <br /> 11/12193 4726 -3645 7,500 28 140 96 3,000 -- <br /> 02118/94 4525 -3444 11,000 12 250 490 2,800 — <br /> 05/23/94 4398 -33 17 9,300 41 110 300 1,800 — <br /> 08/12194 4580 -3499 11,000 54 140 360 2,100 -- <br /> 11/08/94 4598 -35 17 62 074 ND 077 1 1 -- <br /> 02107/95 4366 -3285 120 1 1 ND 5 9 24 — <br /> 05/04/95 4026 -2945 2,900 12 77 160 390 - <br /> 08/10/95 -- -- -- -- — — - <br /> 08/26/95 4046 -2965 55 42 26 089 057 — <br /> 11/09/95 40 18 -2937 240 I 7 12 5 8 26 -- <br /> 02/08/96 3768 -2687 69 1 4 ND 1 5 1 4 - <br /> 05/08/96 3426 -2345 ND ND ND ND ND ND <br />