2010-07-06_HYDROLOGY - C1981041 (2)

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SNOWCAP COAL COMPANY, INC. CAMEO REFUSE DISPOSAL AREA GROUND WATER SITE CRDA-01 CRDA-02 CRDA-03 CRDA-01 A CRDA-04 CRDA-05 CRDA-06 Total Critical Piezometer Depth Depth 100 14.91 13.12 101 27.67 18.52 102 21.15 19.03 103 32.19 28.33 104 37.29 32.10 105 42.14 32.03 106 46.21 31.96 107 57.55 53.87 200 12.45 4.94 201 17.38 9.91 202 21.45 13.91 203 27.67 19.83 204 41.04 33.78 205 46.29 38.72 206 62.45 49.24 300 20.26 17.83 301 27.30 24.02 302 32.70 25.91 303 43.43 25.85 304 52.22 25.80 305 60.24 25.75 306 78.28 25.89 307 92.06 84.19 400 12.38 6.11 401 21.59 16.98 402 30.51 16.92 403 38.40 16.86 404 56.00 49.88 405 71.00 64.38 406 86.00 74.38 SAMPLE DATE Page GC-19 11/2/2009 3/16/2010 6/11/2010 D 31.34 D 31.36 Damp 30.90 D 35.26 Damp 35.29 D 35.20 D 32.22 Damp 32.19 Damp 32.20 Dry 52.01 Dry 52.10 D 52.00 Dry 36.75 Damp 36.75 Dry 36.75 D 38.00 Damp 38.11 Dry 38.10 D 37.15 Damp 37.18 D 37.20 11/2/2009 3/16/2010 6/11/2010 D 15.01 Dry 15.01 D 15.02 D 28.14 Mud 28.09 26.52 D 21.83 D 21.75 D 21.80 Damp 32.75 Dry 32.79 Dry 32.80 Damp 37.91 Damp 37.92 Damp 37.91 Damp 42.86 Damp 42.85 Damp 42.82 D 47.00 D 46.96 D 47.02 Dry 57.89 Dry 57.87 Dry 57.90 D 12.42 D 12.41 D 12.48 D 17.45 D 17.55 D 17.56 Dry 21.80 Dry 21.80 Dry 21.80 Dry 28.04 Damp 28.07 Dry 28.10 Damp 41.80 Damp 41.65 Damp 41.77 Damp 46.25 Mud 46.40 45.32 Damp 62.70 Damp 62.62 Damp 62.60 D 20.66 Dry 20.56 D 20.67 D 27.77 D 27.66 D 27.71 Damp 33.30 Damp 33.24 Damp 33.31 Damp 44.05 Mud 44.09 Mud 44.23 Damp 52.68 D 52.42 Damp 52.60 Damp 60.57 Mud 60.46 Mud 60.54 Damp 78.74 Damp 78.69 *Damp 78.45 Dry 87.93 Rst 81.75 *Dry 87.90 D 12.47 D 12.47 Dry 12.45 Dry 21.90 Dry 21.88 Dry 21.90 Dry 31.09 Dry 31.07 Dry 31.02 38.54 Mud 38.91 Mud 38.90 D 56.35 D 56.34 Dry 56.35 D 71.49 Dry 71.51 D 71.48 81.79 81.38 - 81.62 Rst = Restricted * Very tight at 35'