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Colowyo Coal Company <br />2014 Annual Reclamation and Hydrology Report <br />Figure 8 -2 — Overburden Sample Suspect Levels <br />Parameter <br />��i <br />Electrical Conductivity <br />Sodium Adsorption Ration <br />Page 8 -3 <br />Suspect Level <br />Less than 5 or greater than 9 <br />Greater than 12 millimohs /cm <br />Greater than 15 <br />