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Table: 9 <br />Twentymile Coal, LLC <br />2017 Annual Hydrology Report <br />Water Year Monitoring Data <br />Site: 97013TM Bedrock Well, Twentymile Sandstone Datum: 6672.27 <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables97013TM (2) <br />Date <br />Depth to Water (FT) <br />10/1/2016 <br />32.28 <br />4/14/2017 <br />46.12 <br />9/11/2017 <br />23.06 <br />Type <br />Parameter <br />Fraction Units <br />Result Detection <br />Result Detection <br />Result Detection <br />FIELD <br />pH, Field <br />N <br />S.U. <br />9.51 Y <br />9.23 <br />Y <br />9.57 Y <br />FIELD <br />Specific Conductivity,Field <br />N <br />UMHOS/CM <br />1310 Y <br />1130 <br />Y <br />1320 Y <br />FIELD <br />Temperature, Field <br />N <br />DEG -C <br />11.4 Y <br />10.8 <br />Y <br />11.6 Y <br />PHYSICAL <br />pH, Lab <br />N <br />S.U. <br />1 <br />9.5 <br />Y <br />PHYSICAL <br />Specific Conductivity,Lab <br />N <br />UMHOS/CM <br />1 <br />1030 <br />Y <br />PHYSICAL <br />Total Dissolved Solids, Lab <br />N <br />MG/L <br />656 <br />Y <br />CATION <br />Calcium <br />D <br />MG/L <br />1.2 <br />Y <br />CATION <br />Magnesium <br />D <br />MG/L <br />0.5 <br />Y <br />CATION <br />Sodium <br />D <br />MG/L <br />237 <br />Y <br />ANION <br />Alkalinity, Bicarbonate as CaCO3 <br />N <br />MG/L <br />377 <br />Y <br />ANION <br />Alkalinity, Carbonate as CaCO3 <br />N <br />MG/L <br />72.7 <br />Y <br />ANION <br />Sulfates <br />N <br />MG/L <br />140 <br />Y <br />PRIMARY <br />Cadmium <br />D <br />UG/L <br />0.5 <br />N <br />PRIMARY <br />Lead <br />D <br />UG/L <br />200 <br />N <br />PRIMARY <br />Mercury <br />D <br />UG/L <br />1 <br />N <br />PRIMARY <br />Selenium <br />D <br />UG/L <br />0.3 <br />N <br />SECONDARY <br />Iron <br />D <br />UG/L <br />550 <br />Y <br />SECONDARY <br />Manganese <br />D <br />UG/L <br />8 <br />Y <br />TRACE <br />Mol bdenum <br />D <br />UG/L <br />100 <br />IN <br />NUTRIENT <br />NO3-NO2 Nitrogen <br />N <br />MG/L <br />0.1 <br />IN <br />NUTRIENT <br />Phosphorus, Ortho hos horus <br />N <br />MG/L <br />0.06 <br />JY <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables97013TM (2) <br />