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ENVIRO-CHEM <br />ANALYTICAL, INC. <br />ANALYTICAL TESTING LABORATORY <br />685 W. Gunnison, Suite #108, Grand Junction, CO 81501-7249, (970) 242-6154, FAX (970) 245-9270 <br />Mountain Coal -West Elk Mine Report No: ECA/MCC 08-49 <br />Sample I.D.: NF Gunnison Upstream <br />Sample Date: 15-May-08 8:30 AM Field pH 7.8 <br />Sample Received: 16-May-08 4:40 PM Field Temp 9 C <br />Parameters Results Units Date Tested Analyst Method No. MDL <br />ortho-Phosphate <0.08 mg/L 5/29/08 EM SM 4500 E 0.08 <br />Sulfate 16.88 mg/L 5/14/08 EM SM 4500 D 0.5 <br />Total Anions 1.457 meq/L 5/30/08 LKT calculation <br />Total Cations 1.544 meq/L 5/30/08 LKT calculation <br />Percent Difference Anion-Cation -5.97 % 5/30/08 LKT calculation <br />Report Accepted By: <br />Title: <br />Date Accepted: <br />2&6e X. Tham pjan <br />Lab Director <br />30-May-08 <br />*Note - Settleable Solids is dirt particles.