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April 2014 <br />Table 11: Summary Statistics for Historic Whole Rock Analysis of CKD <br />Analyte <br />Summary Statistics <br />Minimum <br />(mg /kg) <br />Maximum <br />(mg /kg) <br />Average <br />(mg /kg) <br />Std.Dev. <br />(mg /kg) <br />Silver <br /><1.00 <br />11.00 <br />3.20 <br />2.91 <br />Arsenic <br /><1.00 <br />64.00 <br />19.56 <br />13.91 <br />Barium <br />33.00 <br />672.00 <br />322.28 <br />135.81 <br />Berillium <br /><0.10 <br />2.20 <br />0.94 <br />0.53 <br />Cadmium <br />1.38 <br />70.00 <br />39.31 <br />17.73 <br />Chromium <br />30.00 <br />116.00 <br />56.84 <br />21.47 <br />Copper <br />ND <br />53.00 <br />36.72 <br />7.32 <br />Manganese <br />ND <br />291.00 <br />184.67 <br />49.26 <br />Nickle <br /><1.00 <br />57.00 <br />39.80 <br />11.05 <br />Lead <br />3.75 <br />290.00 <br />57.66 <br />53.59 <br />Antimony <br /><1.00 <br />37.00 <br />10.00 <br />10.89 <br />Selenium <br />11.44 <br />164.00 <br />71.85 <br />36.40 <br />Titanium <br /><1.00 <br />68.00 <br />38.06 <br />15.38 <br />Zinc <br />ND <br />343.00 <br />203.43 <br />50.24 <br />Mercury <br /><0.10 <br />2.14 <br />0.39 <br />0.68 <br />PH <br />12.57 <br />14.01 <br />12.99 <br />0.31 <br />Notes: <br />ND = Non detect, no detection limit provided <br />mg /kg = Milligrams per Kilograms or Parts Per Million <br />I: \10 \81640A\ 0400 \GWCharWelllnstallField Rep_Fnl- 28Apr14 \Tables \Table 11 CKD Statistics.xlsx <br />103- 81640A <br />Golder <br />Associates <br />