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Table 1
<br /> Groundwater Monitoring Data and Analytical Results
<br /> Former Unocal Service Station No. 0187
<br /> 437 East Miner Avenue
<br /> Stockton, California
<br /> Product
<br /> I
<br /> WELL IDI DATE DTW S.I. GWE Thickness TPHg B T E X MTBE
<br /> TOC-(jt) (a) (&bgs) (MSI) 099 (U91L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L)
<br /> U-2 04/19/04 28.83 -17.17 0.00 <50 1.5 1.6 0.93 2 <0.504
<br /> (cont) 08/16/04 30.30 -18.64 0.00 390 28 11 4.2 0.65 1.6 <0.504
<br /> 11/15/04 30.90 -19.24 0.00 210 28 4.6 9.3 1.3 15 <0.504
<br /> U-3
<br /> 11.25 08/19/94 47.12 -- -35.87 0.00 51,000 9,700 1,300 2,100 5,600 --
<br /> 11/17/94 47.48 -36.23 0.00 42,000 9,600 1,800 2,000 4,600 --
<br /> 02/17/95 45.57 -34.32 0.00 47,000 9,100 2,100 1,600 5,300 --
<br /> 05/09/95 42.82 -31.57 0.00 53,000 7,600 3,900 2,600 11,000 --
<br /> 08/09/95 41.15 -29.90 0.00 38,000 4,800 1,900 2,100 9,600
<br /> 11108/95 41.03 -29.78 0.00 28,000 2,400 1,400 1,900 4,900 --
<br /> 02/06/96 39.42 -28.17 0.00 36,000 3,700 1,400 1,900 8,000 --3
<br /> 05/07/96 36.69 -25.44 0.00 36,000 4,600 1,800 2,400 10,000 --3
<br /> 08/06/96 36.47 -25.22 0.00 43,000 2,600 1,000 1,700 7,000 --
<br /> 11/05/96 36.05 -24.80 0.00 43,000 2,400 1,000 1,600 6,300 --
<br /> 02/03/97 32.44 -21.19 0.00 39,000 2,100 1,100 1,500 6,100 <500
<br /> 05/01/97 31.73 -20.48 0.00 19,000 1,100 660 1,200 5,000 260
<br /> 08/04/97 32.02 -20.77 0.00 810 35 21 67 15 <5.0
<br /> 11/03/97 33.00 -- -21.75 0.00 25,000 960 580 1,500 5,100 <130
<br /> 02/13/98 30.22 -18.97 0.00 41,000 1,700 820 1,900 6,300 <500
<br /> 03/09/98 29.40 -18.15 0.00 28,000 1,300 600 1,200 4,500 <250/<1004
<br /> 05/26/98 26.97 -15.72 0.00 2,300 46 31 56 110 <2.5
<br /> 08/17/98 26.41 -15.16 0.00 17,000 780 110 770 3,300 <50
<br /> 11/10/98 26.48 -15.23 0.00 29,0007 5,200 300 1,300 2,000 <50
<br /> 02/05/99 25.96 -14.71 0.00 27,000 4,200 2,200 300 3,800 --
<br /> (D) 02/05/99 -- -- -- 28,000 4,300 2,300 1,000 4,000 --
<br /> 10.79 05/07/99 24.73 -13.94 0.00 18,000 2,600 240 340 1,900 --
<br /> 08/20/99 25.17 -14.38 0.00 18,0001D 2,400 300 1,200 1,700 --
<br /> 069400 40 ENSR*ration
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