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TABLE: 19 <br />TWENTYMILE COAL, LLC <br />2013 ANNUAL HYDROLOGY REPORT <br />WATER QUALITY MONITORING DATA <br />Site: 09S10 (009 -S -10, Foidel Creek Alluvial Well) DATUM = 6906.67 <br />CATEGORY <br />PARAMETER <br />ANALYSIS TYPE <br />UNITS <br />OCT <br />NOV <br />DE <br />JAN <br />FE <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />Date <br />11/9/2012 <br />3/7113 <br />5/3/2013 <br />8/20/13 <br />Water Level <br />Field <br />Ft <br />7.96 <br />5.42 <br />3.73 <br />5.51 <br />Water elevation <br />Field <br />Ft <br />6898.71 <br />6901.2 <br />6902.94 <br />6901.16 <br />PHYSICAL <br />CONDUCTIVIT <br />LAB /Field <br />UMS /CM <br />1170 <br />1260 <br />1220 <br />1270 <br />PH <br />LAB /Field <br />S.U. <br />8.4 <br />1 <br />7.93 <br />8.5 <br />1 <br />1 7.63 <br />TEMPERATUR <br />Field <br />Degrees C <br />9.4 <br />7.8 <br />7.9 <br />9.7 <br />SOLIDS <br />TOT -DISS, LAB <br />MG /L <br />730 <br />780 <br />CATIONS <br />CALCIUM <br />DISSOLVED <br />MG /L <br />45.6 <br />46.2 <br />MAGNESIUM <br />DISSOLVED <br />MG /L <br />22.3 <br />22.8 <br />SODIUM <br />DISSOLVED <br />MG /L <br />209 <br />209 <br />ANIONS <br />BICARBONATE <br />AS HCO3 <br />MG /L <br />531 <br />496 <br />CARBONATE <br />AS CO3 <br />MG /L <br />8 <br />14 <br />SULFATE <br />NOT <br />MG /L <br />200 <br />230 <br />PRIMARY <br />CADMIUM <br />DISSOLVED <br />UG /L <br />< 0.5 <br />< 0.5 <br />LEAD <br />DISSOLVED <br />UG /L <br />< 200 <br />< 200 <br />MERCURY <br />DISSOLVED <br />UG /L <br /><1 <br /><1 <br />SELENIUM <br />DISSOLVED <br />UG /L <br />< 0.3 <br />< 0.3 <br />SECONDARY <br />IRON <br />DISSOLVED <br />UG /L <br />70 <br />220 <br />MANGANESE <br />DISSOLVED <br />UG /L <br />153 <br />< 30 <br />TRACE <br />MOLYBDENUM <br />TOTAL RECOV <br />UG /L <br />< 50 <br />1 <br />< 100 <br />NUTRIENTS <br />NITROGEN <br />NO3 -NO2 <br />MG /L <br />< 0.1 <br />0.59 <br />AMMIA -FREE <br />MG /L <br />0.94 <br />< 0.5 <br />PHOSPHATE <br />ORTHO -DISS <br />MG /L <br />0.53 <br />0.09 <br />Note : <br />