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Table 1 <br /> GROUNDWATER ELEVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> Boettcher Western Properties <br /> 4555 North Pershing Avenue <br /> Stockton, California <br /> Total <br /> Well Sampling TOC DTW GWE B T E X MTBE TPHg TPHd TPHmo Lead <br /> Number Date (feet) (feet) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-1 11/19/92(l) 7.54 30.50 -22.96 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - ND<500 ND<500 ND<500 3.4 <br /> 6/4/93 7.54 26.35 -18.81 ND<0.5 6.0 1.1 1.1 -- 690 ND<500 ND<500 ND<3.0 <br /> 9/4/93(2) 7.54 26.67 -19.13 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/3/93 7.54 26.54 -19.00 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/21/94 7.54 26.72 -19.18 0.6 5.6 0.5 0.7 - 370 - -- -- <br /> 3/13/95 7.54 24.06 -16.52 2.0 ND<0.5 ND<0.5 ND<1.0 -- 200 -- -- -- <br /> 6/8/95 7.54 22.77 -15.23 ND<0.5 ND<0.5 ND<0.5 ND<1.0 -- ND<50 -- -- -- <br /> 8/30/95 7.54 24.12 -16.58 ND<0.5 ND<0.5 ND<0.5 ND<2.0 -- ND<50 -- -- - <br /> 12/11/95 7.54 24.22 -16.68 ND<0.5 ND<0.5 ND<0.5 ND<2.0 -- ND<50 -- -- -- <br /> 3/14/96 7.54 20.51. -12.97 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<50 ND<50 -- -- <br /> 6/19/96 7.54 20.56 -13.02 1.7 ND<0.5 ND<0.5 ND<2.0 ND<50 70 -- -- -- <br /> 9/25/96 7.54 21.94 -14.40 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<5.0 ND<50 -- -- -- <br /> 12/17/96 7.54 20.82 -13.28 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<5.0 ND<50 -- <br /> MW-2 11/19/92(1) 7.72 30.61 -22.89 0.58 ND<0.5 ND<0.5 ND<0.5 - ND<500 ND<500 ND<500 13 <br /> 6/4/93 7.72 26.50 -18.78 9.5 ND<0.5 0.92 6.9 - ND<500 ND<500 ND<500 ND<3.0 <br /> 9/4/93(2) 7.72 26.88 -19.16 7.1 ND<0.5 1.6 7.5 - ND<500 ND<500 ND<500 -- <br /> 12/3/93 7.72 26.69 -18.97 5.4 ND<0.5 0.55 1.7 -- ND<500 ND<500 ND<500 -- <br /> 12/21/94 7.72 26.85 -19.13 20 2.4 11 18 -- 920 -- -- <br /> 3/13/95 7.72 24.19 -16.47 3.6 ND<0.5 1.0 1.6 -- 160 - -- <br /> 6/8/95 7.72 22.95 -15.23 1.6 ND<0.5 0.89 ND<1.0 -- ND<50 -- -- -- <br /> 8/30/95 7.72 24.31 -16.59 1.0 ND<0.5 ND<0.5 ND<2.0 90 -- - -- <br /> 12/11/95 7.72 24.36 -16.64 0.6 ND<0.5 0.5 ND<2.0 -- ND<50 -- -- -- <br /> 3/14/96 7.72 20.66 -12.94 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<50 ND<50 -- -- -- <br /> 6/19/96 7.72 20.75 -13.03 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<50 ND<50 - -- -- <br /> 9/25/96 7.72 22.12 -14.40 0.7 ND<0.5 0.6 ND<2.0 ND<5.0 ND<50 -- -- <br /> 12/17/96 7.72 20.94 -13.22 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<5.0 ND<50 -- -- -- <br /> Page 1 of 3 <br />