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ARCOSA <br /> Table D-1 —Hydraulic Conductivity Data, Douglas County, Colorado <br /> Packer Test Recovery Test <br /> Test Interval Hydraulic Hydraulic <br /> (feet below Conductivity Conductivity Geometric <br /> Material Well ground) Value(cm/sec) Value (cm/sec) Mean (cm/sec) <br /> Pierre BH-1 26.5-32.4 7.6 x 10-6 <br /> Shale BH-10 21.0-31.1 9.6 x 10-6 <br /> Weathered BH-17 27.3-42.3 5.1 x 10-6 <br /> 7.2 x 10-6 <br /> Pierre BH-1 42.6-69.1 7.6 x 10-$ <br /> Shale BH-1 51.1-69.1 4.9 x 10-' <br /> Unweathered BH-8 34.3-40.0 1.8 x 10-7 <br /> BH-4 61.2-73.3 1.8 x 10-6 <br /> 3.3 x 10-7 <br /> Source: Hydrogeologic and Geotechnical Characterization of Proposed Foothills Landfill, Douglas <br /> County, Colorado, June 6, 1986, by Hydro-Search, Inc. <br />