2012-10-09_HYDROLOGY - C1981041 (2)

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11/9/2011 3 3/26/2012 5 5/21/2012 9 9/13/2012 Dry 15.02 D Dry 15.02 D Dry 15.00 D Dry 15.02 Mud 28.12 D Damp 28.10 D Damp 28.10 D Dry 28.10 Dry 21.91 D Dry 21.86 D Dry 21.88 D Dry 21.87 Dry 32.82 D Dry 32.91 D Dry 32.80 D Dry 32.83 Damp 37.90 D Damp 37.90 D Dry 37.85 D Dry 37.88 Mud 42.92 D Damp 42.87 D Damp 42.85 D Dry 42.85 Damp 47.10 D Damp 47.04 D Damp 47.01 M Mud 47.02 Dry 57.50 D Damp 57.86 D Damp 57.87 D Damp 57.90 Damp 12.40 D Damp 12.49 D Dry 12.42 D Dry 12.42 Dry 17.31 D Dry 17.57 D Dry 17.42 D Dry 17.48 Dry 21.78 D Dry 21.74 D Dry 21.76 D Dry 21.80 Dry 28.14 D Dry 28.04 D Dry 28.06 D Dry 28.07 Damp 41.68 D Damp 41.74 D Damp 41.70 D Damp 41.68 Mud 46.55 M Mud 46.63 D Damp 46.52 D Damp 46.55 Damp 62.68 M Mud 62.65 D Damp 62.75 D Damp 62.71 Dry 20.62 D Dry 20.60 D Dry 20.67 D Dry 20.60 Dry 27.69 D Dry 27.70 D Dry 27.70 D Dry 27.70 Damp 33.33 D Damp 33.32 D Damp 33.21 M Mud 33.28 Mud 44.12 M Mud 44.15 D Damp 44.09 M Mud 44.12 Mud 52.51 M Mud 52.52 D Damp 52.53 M Mud 52.55 Mud 60.52 D Damp 60.55 M Mud 60.62 D Damp 60.52 Mud 78.69* D Dry 78.72 D Damp 78.80 D Dry 78.70 ** Res 11.15 D Dry 88.12 D Dry 88.05 D Dry 88.00 ** Dry 12.49 D Dry 12.49 D Dry 12.50 D Dry 12.49 Dry 21.93 D Dry 21.98 D Dry 21.93 D Dry 21.96 Damp 31.45 D Dry 31.04 D Dry 31.11 D Dry 31.17 Damp 38.92 D Dry 38.95 D Dry 39.00 D Dry 38.95 11/9/2011 3/15/2012 5/18/2012 9/13/2012 Mud 31.51 Dry 31.30 Mud 31.02 Dry 31.31 Mud 35.35 Dry 35.22 Mud 34.68 Mud 35.20 Damp 32.24 Dry 32.20 Mud 31.71 Mud 32.20 Mud 52.09 Dry 52.05 Dry 52.19 Mud 52.07 Dry 36.75 Dry 36.78 Dry 36.75 Dry 36.77 Dry 38.08 Dry 38.10 Dry 38.10 Dry 38.10 Dry 37.18 Dry 37.20 Dry 37.16 Dry 37.22 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 49.8 405 71.00 64.3 406 86.00 74.3 SNOWCAP COAL COMPANY, INC. CAMEO REFUSE DISPOSAL AREA GROUND WATER * Tight from 15' to 30' Res = Restricted Clean out mice in well casing of Piez 102 - 107 on 3/26/12 ** Tight from 50' down SAMPLE DATE Page GC -21 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 49.8 405 71.00 64.3 406 86.00 74.3 SNOWCAP COAL COMPANY, INC. CAMEO REFUSE DISPOSAL AREA GROUND WATER * Tight from 15' to 30' Res = Restricted Clean out mice in well casing of Piez 102 - 107 on 3/26/12 ** Tight from 50' down SAMPLE DATE Page GC -21