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4 <br />SW_N218 <br />CONTENTS: RESULTS OF MONTHLY FIELD TESTS and QUARTERLY TESTING, <br />FLOW RATE CALCULATIONS, and FLOW RATE HYDROGRAPH <br />Monthly Field Tests <br />Quarterly Tests <br />Surface Water Quality Parameters <br />SITE: SW -N218 <br />N 1613452 E 2091369 <br />LOCATION SAN MIGUEL RIVER STARTED SAMPLING MARCH OF 2012 <br />BELOW COAL CANYON <br />Date of Collection 18- Oct -12 27- Nov -12 13- Dec -12 22- Jan -13 27- Feb-13 25- Mar -13 24- Apr -13 29- May -13 11- Jun -13 18-Jul-13 27- Aug -13 18- Sep -13 <br />FIELD PARAMETERS <br />PH <br />903 <br />867 <br />867 <br />Solid 883 <br />883 <br />887 <br />866 <br />870 <br />844 <br />842 <br />857 <br />Water Temperature (deg C) <br />131 <br />0 1 <br />00 <br />ICE 39 <br />102 <br />81 <br />159 <br />21 3 <br />220 <br />193 <br />163 <br />Conductivity (umhos/cm) <br />708 <br />833 <br />1156 <br />816 <br />846 <br />541 <br />348 <br />375 <br />889 <br />692 <br />567 <br />Approximate Instantaneous Flow (cfs) <br />81 <br />83 <br />ICE <br />ICE 41 <br />61 <br />236 <br />550 <br />456 <br />100 <br />232 <br />366 <br />FROM USGS, URAVAN GAGE <br />Estimated Flow <br />LABORATORY PARAMETERS <br />Gage Malfunction <br />Metals Analysis <br />Iron, dissolved (mg /L) <br />0 02(B) <br />U <br />0 03(B) <br />008 <br />Iron, total <br />021 <br />035 <br />1 69 <br />31 6 <br />Manganese, total <br />0 053 <br />009 <br />0 121 <br />0 817 <br />Wet Chemistry <br />Acidity as CaCO3 <br />U <br />U <br />U <br />U <br />Conductivity @25C <br />932 <br />901 <br />326 <br />696 <br />pH (lab) <br />7 9(H) <br />8 4(H) <br />8 2(H) <br />8 2(H) <br />Residue, Filterable (TDS) @180 <br />640 <br />620 <br />210 <br />494 <br />Residue, Non - Filterable (TSS) <br />14(B) <br />17(B) <br />97(H) <br />1570 <br />1 Nagar- (-) = less than <br />2 U =not detected at MDL(Mrmmum Detection Level) <br />3 H- Exceeded held 1- <br />4 B = An." concenaeeon detected et a value b.M - MOL end POL <br />60000 <br />50000 <br />40000 <br />Flow Rate (cis) 30000 <br />20000 <br />10000 <br />000 <br />Oct -12 N-12 13 -12 Jan -13 Fet,13 Mar-13 Apr -13 MW-13 Jun -13 Jul-13 Aug -13 Sep-13 <br />Month <br />(Appendix 2 05 6(3 }3, January 2012) THIS SITE WILL BE MONITORED FOR 4 QUARTERS BEFORE MINING TAKES PLACE <br />& 4 QUARTERS BEFORE RECLAMATION BOND RELEASE <br />Flow at SW -N218 <br />MDUS Units <br />002 not <br />002 mgL <br />00050 mg/L <br />10 mgt <br />1 umhos/ m <br />01 s <br />10 mgh <br />5 mgt <br />E \Waste Water EMS\DRMS \New Honzon \NH2 Permit\Annual Hydrology Report\2013_ANUHYD <br />