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Table: 33 <br />Twentymile Coal, LLC <br />2017 Annual Hydrology Report <br />Water Year Monitoring Data <br />Site: 800 (USGS 09243800, Surface Water, Foidel Creek) <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables800 (2) <br />Date <br />8/24/2017 <br />8/31/2017 <br />9/8/2017 <br />9/13/2017 <br />Type <br />Parameter <br />Fraction <br />Units <br />Detection Result Detection Result Detection Result Detection Result <br />FIELD <br />Flow <br />N <br />CFS <br />Y 0.1101 Y <br />0.783 <br />Y <br />0.615 <br />Y <br />0.615 <br />FIELD <br />pH, Field <br />N <br />S.U. <br />Y <br />7.99 <br />Y <br />7.99 <br />Y <br />8 <br />FIELD <br />Specific Conductivity,Field <br />N <br />UMHOS/CM <br />Y <br />3710 <br />Y <br />13830 <br />Y <br />3770 <br />FIELD <br />iTemperature, Field <br />N <br />DEG -C <br />Y <br />17.6 <br />Y <br />113.1 <br />Y <br />20.5 <br />PHYSICAL <br />H Lab <br />N <br />S.U. <br />Y <br />8.2 <br />PHYSICAL <br />Sodium Adsorption Ratio <br />N <br />RATIO <br />Y <br />0.4 <br />PHYSICAL <br />Solids Total Suspended <br />N <br />MG/L <br />Y <br />50 <br />PHYSICAL <br />Specific Conductivity, Lab <br />N <br />UMHOS/CM <br />Y <br />3680 <br />PHYSICAL <br />Total Dissolved Solids Lab <br />N <br />MG/L <br />Y <br />3740 <br />CATION <br />Calcium <br />D <br />MG/L <br />Y <br />351 <br />CATION <br />Magnesium <br />D <br />MG/L <br />Y <br />425 <br />CATION <br />Sodium <br />D <br />MG/L <br />Y <br />46.6 <br />ANION <br />Alkalinity,Bicarbonate as CaCO <br />N <br />MG/L <br />Y <br />1226 <br />ANION <br />Alkalinity, Carbonate as CaCO3 <br />N <br />MG/L <br />N <br />20 <br />ANION <br />Sulfates <br />N <br />MG/L <br />Y <br />2490 <br />PRIMARY <br />Selenium <br />TR <br />UG/L <br />N <br />0.05 <br />SECONDARY <br />Iron <br />TR <br />UG/L <br />Y <br />130 <br />SECONDARY <br />Manganese <br />TR <br />UG/L <br />Y <br />600 <br />SECONDAR <br />Silver <br />TR <br />UG/L <br />N <br />0.5 <br />SECONDM <br />Zinc <br />TR <br />UG/ L <br />N <br />100 <br />TRACE <br />Molybdenum <br />TR <br />UG/L <br />N <br />200 <br />NUTRIENT <br />Ammonia Nitrogen <br />N <br />MG/L <br />N <br />0.2 <br />NUTRIENT <br />NO3-NO2 Nitrogen <br />N <br />MG/L <br />IN <br />10.1 <br />NUTRIENT <br />Phosphorus, Ortho hos horus <br />N <br />MG/L <br />I N <br />10.05 <br />2/27/2018 I:\Environmental\CDMG - CDRMS\AHR\2017\AHR ALL FINAL Tables800 (2) <br />