2008-07-30_HYDROLOGY - C1980007 - Laserfiche WebLink

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Z ENVIRO-CHEM ANALYTICAL, INC. ANALYTICAL TESTING LABORATORY 685 W. Gunnison, Suite #108, Grand Junction, CO 81501-7249, (970) 242-6154, FAX (970) 245-9270 Mountain Coal -West Elk Mine Report No: ECA/MCC 08-51 Sample I.D.: NF Gunnison Downstream Sample Date: 15-May-08 8:45 AM Field pH 7.7 Sample Received: 16-May-08 4:40 PM Field Temp 9 C Parameters Results Units Date Tested Analyst Method No. MDL pH 7.777 s. u. 5/19/08 EM SM 4500 B 0.1 Conductivity 152.51 umhos/cm 5/19/08 EM SM 2510 B 1 Total Dissolved Solids 232 mg/L 5/20/08 EM SM 2540 C 0.5 Total Suspended Solids 139 mg/L 5/20108 EM EPA 160.2 0.5 Total Settleable Solids 37 mg/L 5/20108 EM SM 2540 G 0.5 Total Iron 1640 ug/L 5/22/08 RM SM 3111B/3500 0.01 Dissolved Iron 300 ug/L 5/22/08 RM SM 3111B/3500 0.01 Potentially Diss Iron 970 ug/L 5/22/08 RM SM 3111B/3500 0.01 Total Recoverable Iron 1590 ug/L 5/22/08 RM SM 3111B/3500 0.01 Alkalinity 55.33 mg/L 5/21/08 EM SM 2320 B 0.1 Bicarbonate 55.33 mg/L 5/21/08 EM SM 2320 B 0.1 Carbonate 0 mg/L 5/21108 EM SM 2320B 0.1 Bromide 0.07 mg/L 5/23/08 EM SM 4500 B 0.1 Chloride 6.18 mg/L 5/27108 EM SM 4500 C 0.1 Residual Chlorine 0.045 mg/L 5/16/08 LT SM 4500 G 0.025 Boron 0.081 mg/L 5/23/08 EM SM 4500 C 0.075 Alumnium 0.4 mg/L 5122/08 RM SM 3111D/3500 0.05 Barium 0.11 mg/L 5/22/08 RM SM 3111 D/3500 0.02 Cadmium 0.002 mg/L 5/20/08 RM SM 3111 B/3500 0.005 Calcium 15.54 mg/L 5/21/08 RM SM 3111B/3500 0.1 Lithium 0.008 mg/L 5/27/08 RM SM 3111 B/3500 0.1 Magnesium 4.63 mg/L 5/20/08 RM SM 3111 B/3500 0.1 Manganese 0.048 mg/L 5/20/08 RM SM 3111B/3500 0.01 Potassium 0.84 mg/L 5/22/08 RM SM 3111B/3500 0.1 Silica 12 mg/L 5/27/08 EM SM 4500 D 0.1 Sodium 5.19 mg/L 5/22/08 RM SM 3111 B/3500 0.1 Strontium 0.11 mg/L 5/27/08 RM SM 3111B/3500 0.1 Zinc 0.019 mg/L 5/20/08 RM SM 3111B/3500 0.05 Ammonia 0.26 mg/L 5/28/08 EM SM 4500 F 0.02 Nitrate <0.15 mg/L 5116/08 LT SM 4500 D 0.15