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s <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 16 -Nov -14 17 -Nov -14 19 -Dec -14 12 -Jan -15 12 -Feb -15 17 -Mar -15 22 -Apr -15 27 -May -15 18 -Jun -15 16 -Jul -15 27 -Aug -15 21 -Sep -15 <br />FIELD PARAMETERS <br />852 <br />853 <br />8.45 <br />8.54 <br />147 <br />15.1 <br />PH <br />9.07 <br />877 <br />877 <br />8.76 <br />8.57 <br />8.96 <br />893 <br />Water Temperature (deg C) <br />141 <br />29 <br />5.2 <br />1.4 <br />4.0 <br />13.1 <br />149 <br />Conductivity(umhos/cm) <br />568 <br />745 <br />855 <br />815 <br />732 <br />471 <br />719 <br />Approximate Instantaneous Flow (cfs) <br />250 <br />135 <br />120 <br />Ice <br />102 <br />245 <br />160 <br />FROM USGS, URAVAN GAGE <br />0.02 myL <br />0.07 <br />0 251 <br />0.0050 .01 <br />LABORATORY PARAMETERS <br />U <br />10 mgQ <br />463 <br />Metals Analysis <br />931 <br />1 umms/rm <br />8.5(H) <br />8.5(H) <br />Iron, dissolved (mg/L) <br />01 SU <br />0.05 <br />U <br />10 wl. <br />Iron, total <br />0.08 <br />290 <br />0.12 <br />Manganese, total <br />0.034 <br />0.051 <br />Wet Chemistry <br />Acidity as CaCO3 <br />U <br />U <br />Conductivity @25C <br />757 <br />788 <br />pH (lab) <br />8 3(H) <br />8 3(H) <br />Residue, Filterable (TDS) @180 <br />518 <br />522 <br />Residue, Non -Filterable (TSS) <br />U <br />9(B) <br />I Neg.W. (-)= less m., <br />2 U = not deteded at MDL (M#;— Detedon Leve# <br />3 H- F—ded hold tkne <br />4 S = Anayte concenbaWn deteded at a value between MOL and PQL <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 />8.88 <br />852 <br />853 <br />8.45 <br />8.54 <br />147 <br />15.1 <br />21.0 <br />19.6 <br />198 <br />438 <br />286 <br />712 <br />1047 <br />1139 <br />760 <br />1,650 <br />500 <br />100 <br />65 <br />MDUS Units <br />0.02(B) <br />014 <br />002 mptt <br />0.93 <br />4 68 <br />0.02 myL <br />0.07 <br />0 251 <br />0.0050 .01 <br />U <br />U <br />10 mgQ <br />463 <br />931 <br />1 umms/rm <br />8.5(H) <br />8.5(H) <br />01 SU <br />278 <br />746 <br />10 wl. <br />30 <br />290 <br />5 rVI <br />F:\Waste Water EMStDRMSW ew HonzonW H2 Pennit\Annual Hydrology Report1201512015_annHyd.xls <br />