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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-3 12/3/93 7.29 26.37 -19.08 4.4 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> (cont.) 12/21/94 7.29 26.51 -19.22 120 1.5 9.2 13 - 350 - -- <br /> 3/13/95 7.29 23.91 -16.62 170 6.2 15 33 - 570 - -- -- <br /> 6/8/95 7.29 22.70 -15.41 110 5.6 8.8 20 -- 300 -- -- -- <br /> 8/30/95 7.29 24.07 -16.78 230 18 22 57 - 800 -- - -- <br /> 12/11/95 7.29 24.04 -16.75 21 2.0 2.0 6.0 - 90 - -- -- <br /> 3/14/96 7.29 20.40 -13.11 11 1.4 1.1 4.1 ND<50 80 -- -- -- <br /> MW-4 11/19/92(1) 7.22 30.18 -22.96 18 1.2 1.2 13.5 -- ND<500 ND<500 ND<500 4.2 <br /> 6/4/93 7.22 26.14 -18.92 430 ND<5.0 20 91 - 840 ND<500 ND<500 ND<3.0 <br /> 9/4/93(2) 7.22 26.65 -19.43 120 ND<0.5 23 100 - 1,100 ND<500 ND<500 -- <br /> 12/3/93 7.22 26.29 -19.07 380 ND<0.5 26 80 -- ND<500 ND<500 ND<500 -- <br /> 12/21/94 7.22 26.41 -19.19 400 4.5 89 140 -- 2,700 -- -- - <br /> 3/13/95 7.22 23.83 -16.61 25 ND<0.5 3.1 7.1 -- 450 -- - - <br /> 6/8/95 7.22 22.66 -15.44 16 ND<0.5 3.6 1.4 - 100 -- - -- <br /> 8/30/95 7.22 24.02 -16.80 23 ND<0.5 4 ND<2.0 -- 100 - - -- <br /> 12/11/95 7.22 23.96 -16.74 8.3 ND<0.5 3 ND<2.0 -- . 100 - -- -- <br /> 3/14/96 7.22 20.32 -13.10 11 ND<0.5 1.8 4.1 ND<50 : 100 -- - -_ <br /> i <br /> MW-5 11/19/92(1) 7.59 30.80 -23.21 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 7.6 <br /> 6/4/93 7.59 26.76 -19.17 . ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500- ND<3.0 <br /> 9/3/93 7.59 27.28 -19.69 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/3/93 7.59 26.87 -19.28 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/21/94 7.59 27.01 -19.42 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - ND<50 - - -- <br /> 3/13/95 7.59 24.46 -16.87 ND<0.5 ND<0.5 . ND<0.5 ND<1.0 -- ND<50 - - -- <br /> 6/8/95 7.59 23.25 -15.66 ND<0.5 ND<0.5 ND<0.5 ND<1.0 -- ND<50 -- -- _- <br /> Page 2 of 3 <br />