2009-04-13_REPORT - C1996083 (3)

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Bowie Re&es, LLC cable 2 Bowie No. 2 Mine 2008 Annual Hydrology Report SURFACE WATER LIST 1 Field Parameters Flow Rate ( pm) Water Level pH (Standard Units) Conductivity (umhostem) Temerature (C) 'Dissolved Oxygen (m 1) Lab Parameters Wet Chemistry MDL Bicarbonate (HC%) (mg/1) 2 mg/L Chloride (Cl-) (mg/1) 0.5 mg/L Conductivity (umhos/cm) 1 umhos/cm Nitrate/Nitrite (mg/1) 0.1 mg/L pH (Standard Units) 0.1 S.U. Hardness (mg/1) 1 mg/L Phosphate (P04-' as P) (mg/1) 0.02 mg/L Residue, Filterable (TDS) @ 180 C (mg/1) 0.5 mg/L Residue, NonFilterable (TSS) (mg/1) 0.5 mg/L Sodium Absorption Ratio in Water 0.15 Sulfate (S04--) (m 1) 0.6 m L Metals Aluminum (AI), total recoverable (mgA) 0.05 mg/L Arsenic (As), total recoverable (mgA) 0.002 mg/L Cadmium (Ccl), total recoverable (m 1) 0.0002 mg/L Calcium (Care), total recoverable (mg/1) 0.2 mg/L Copper (Cu), total recoverable (mg/1) 0.01 mg/L Iron (Fe), total recoverable (mg/1) 0.01 mg/1-1 (Pb), total recoverable (mgA) 0.02 mg/1-1 (Mgi2), total recoverable (mg/1) 0.2 mg/L Manganese (Mn), total recoverable (mg/I) 0.01 mg/L Mercury (Hg), total recoverable (mg/1) 0.000025 mg/L Molybdenum (Mo), total recoverable (mg/1) 0.02 m L Selenium (Se), total recoverable (mg/1) 0.001 mg/L Sodium (NA'), total recoverable (mg/1) 0.2 mg/L Zinc (Zn), total recoverable (mg/1) 0.005 mg/1-1 Organic Analysis Oil and Grease (m ) 0.5 m L LAB PARAMETER LIST SURFACE WATER LIST 2 Field Parameters Flow Rate ( pm) Water Level pH (Standard Units) Conductivity (umhos/cm) Temerature (C) "Dissolved Oxygen (mg/1) Lab Parameters Wet Chemistry MDL pH (Standard Units) 01 S.U. Residue, Filterable (TDS) @ 160 C (mV) 0.5 mg/L Ammonia (NH3) (mg/1) 0.1 mg/L Chloride (Cl) (mg/1) 0.5 mg/L Cyanide (CN) (mg/1) 0.2 mg/1-1 (mg/1) 1 mg/L Nitrate (N%) (mgA) 0.1 mg/L Nitrite (N02) (mg/1) 0.01 mg/L Sulfide (S) (mg/1) 0.2 mg/L Sulfate (SO;-)(mg/1) 0.1 mg/L Metals Arsenic (As), total recoverable (ug/I) 0.002 mg/L Boron, total recoverabel (mg/1) 0.1 mg/L Cadmium (Cd), total recoverable (ug/1) 0.0002 m L Chromium III Crlll (ug/1) 0.01 mg/L Chromium VI CrIV (ug/1) 0.02 mg/L Copper (Cu), total recoverable (ug/1) 0.01 mg/L Iron (Fe), dissolved (ug/1) 0.005 mg/1-1 (Fe), total recoverable (ug/1) 0.001 mg/1-1 (Pb), total recoverable (ug/1) 0.01 mg/L Manganese (Mn), dissolved (ug/1) 0.01 mg/L Manganese (Mn), total recoverable (ug/1) 0.01 mg/L Mercury (Hg), total recoverable (ug/1) 0.000025 mg/L Nickel, total recoverable (ug/1) 0.02 mg/L Selenium (Se), total recoverable (ug/1) 0.001 mg/L Silver (Ag), total recoverable (ug/1) 0.001 mg/1- Zinc (Zn), total recoverable (u 1) 0.005 m L T2-1 GROUND WATER Field Parameters Water Elevation (Feet) Depth to Water (Feet) pH (Standard Units) Conductivity (umhos/cm) Temperature (C) Lab Parameters Wet Chemistry MDL Bicarbonate (HC03) (mg/1) 2 mg/L Carbonate (C03) (mgA) 2 mg/L Chloride (Cl*) (mg/1) 0.5 mg/L Conductivity (umhos/cm) 1 umhos/cm Nitrate/Nitrite (mg/1) 0.1 mg/L Nitrogen, ammonia (NH3) (mg/1) 0.1 mg/L pH (Lab Units) 0.1 mg/1- Hardness (mg/1) 1 mg/L Phosphate (P043 as P) (mg/1) 0.02 mg/L Residue, Filterable (TDS) Q 180 C (mg/1) 0.5 mg/L Sulfate (S04-) (mgA) 0.6 mg/L Metals Arsenic (As), dissolved (mgA) 0.002 mg/L Cadmium (Ccl), dissolved (mg/1) 0.0002 mg/L Calcium (Care), dissolved (mg/1) 0.2 mg/L Iron (Fe), dissolved (mg/1) 0.01 mg/L Iron (Fe), total recoverable (mg/1) 0.01 mg/L Magnesium (Mg'e), dissolved (mg/1) 0.2 mg/L Manganese (Mn), dissolved (mg/1) 0.01 mg/L Manganese (Mn), total recoverable (mg/1) 0.01 mg/L Mercury (Hg), dissolved (mg/1) 0.000025 mg/L Selenium (Se), dissolved (mg/1) 0.001 mg/L Sodium (NA'), dissolved (mg/1) 0.2 mg/L Zinc (Zn), dissolved (mg/1) 0.005 mg/1-1 to Pages 2.05-84 and 2.05-85 of Permit Application Surface Water List 2 is applicable annually for North Fork Gunnison and Deer Trail Ditch only NOTE. Springs are considered Surface Water "Dissolved Oxygen is reported for Deer Trail Ditch, Fire Mountain Canal and North Fork Gunnison