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ar or 1 <br />TABLE: 29 <br />TW€NTYMILE COAL, LLC <br />2016 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />Site: AVF13 (AVF-13, Alluvial Well) DATUM = 6685.68 <br />CATEGORY <br />PARAMETER <br />ANAL YSISTYPE <br />Units <br />OCT NOV DEC JAN FEB MAR APR <br />MAY JUN JUL AUG <br />SEP <br />Date <br />3/10/2016 <br />5/3/2016 <br />9/25/201E <br />Water Level <br />Field <br />FT <br />6.32 <br />4.13 <br />6.99 <br />Water Elevation <br />Field <br />FT <br />6679.36 <br />6681.55 <br />6678.69 <br />PHYSICAL <br />Alkalinity as CaCO3, @ pH 4.5 <br />N <br />MG/L <br />481 <br />296 <br />Hydroxide as OH N MG/L <20 <br /><20 <br />H Temperature N DEG -C 22.60 <br />22.30 <br />H lab/field S.U. 7.38 8.10 <br />8.10 <br />Specific Conductivity lab/field UMS/CM 1040 1270 <br />941 <br />Temperture Field DEG -C 8.2 8.9 <br />10.7 <br />Total Dissolved Solids Lab N MG/L 930 <br />712 <br />ANION <br />Alkalinity,Bicarbonate as CaCO3 <br />N <br />MG/L <br />587 <br />361 <br />Carbonate as CO3 <br />N <br />MG/L <br /><20 <br /><20 <br />Sulfates N MG/L 290 <br />290 <br />CATION <br />Calcium <br />D <br />MG/L <br />138 <br />98.60 <br />Magnesium D MG/L 60.40 <br />48.40 <br />Sodium D MG/L 76.70 <br />60.40 <br />NUTRIENT <br />Ammonia Nitrogen <br />N <br />MG/L <br /><0.20 <br /><1 <br />NO3-NO2 Nitrogen N MG/L 0.03 <br /><0.10 <br />Phosphorus, Ortho hos horus N MG/L 0.09 <br /><0.05 <br />PRIMARY <br />Cadmium <br />D <br />UG/L <br /><0.50 <br /><0.50 <br />" <br />Lead <br />D <br />UG/L <br /><200 <br /><200 <br />Mercury D UG/L <1 <br /><1 <br />Selenium D UG/L 0.40 <br />0.30 <br />SECONDARY <br />Iron <br />D <br />UG/L <br />140 <br />190 <br />Man anese D UG/L 184 <br />519 <br />TRACE I <br />Molybdenum — <br />D- <br />UG/L <br /><100 <br /><100 <br />2016 AHR FC ANNUAL SAMPLE E\ <br />