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SW N217 <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 -N217 <br />N 1593485 E2106445 <br />LOCATION SAN MIGUEL RIVER STARTED SAMPLING MARCH OF 2012 <br />CALAMITY DRAW BRIDGE <br />Date of Collection 16 -Oct -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 />8.88 <br />8.62 <br />859 <br />8.44 <br />852 <br />PH <br />9.09 <br />891 <br />8.75 <br />874 <br />8.56 <br />9.05 <br />Water Temperature (deg C) <br />13.1 <br />23 <br />4.5 <br />1.8 <br />4.1 <br />12.3 <br />Conducbvity(umhos/cm) <br />477 <br />639 <br />691 <br />745 <br />636 <br />471 <br />Approximate Instantaneous Flow (cfs) <br />180 <br />80 <br />80 <br />Ice <br />72 <br />195 <br />From USGS Brooks Bridge Site <br />0.22 <br />0.07 <br />0.02 mgt. <br />LABORATORY PARAMETERS <br />1.01 <br />2.38 <br />0.02 mgt <br />Metals Analysis <br />0 067 <br />0154 <br />00050 mgt. <br />Iron, dissolved (mg/L) <br />U <br />U <br />U <br />0 02(B) <br />10 mgt. <br />Iron, total <br />412 <br />0.14 <br />859 <br />0.09 <br />1 amh.1— <br />Manganese, total <br />8.5(H) <br />0 045 <br />85(H) <br />0.035 <br />01 SU <br />Wet Chemistry <br />254 <br />660 <br />10 mgt <br />Acidity as CaCO3 <br />32 <br />U <br />102 <br />U <br />5 mgt. <br />Conductivity @25C <br />633 <br />673 <br />PH (lab) <br />8.2(H) <br />8 3(H) <br />Residue, Filterable (TDS) @180 <br />420 <br />432 <br />Residue, Non -Filterable (TSS) <br />5(B) <br />U <br />I N.WA,- ( / = less Men <br />2 U = rwt detected at MDL (Mkikwm Det •bon L-0 <br />3 H-ExosededhoWU- <br />4 B = Anayte car tiri fbn deterred at a vahm between MDL and P4L <br />8 87 <br />8.88 <br />8.62 <br />859 <br />8.44 <br />852 <br />14.5 <br />148 <br />147 <br />20.2 <br />18.9 <br />20.7 <br />628 <br />398 <br />264 <br />597 <br />973 <br />1072 <br />82 <br />550 <br />1,500 <br />400 <br />37 <br />10 <br />MDLS Units <br />0.22 <br />0.07 <br />0.02 mgt. <br />1.01 <br />2.38 <br />0.02 mgt <br />0 067 <br />0154 <br />00050 mgt. <br />U <br />U <br />10 mgt. <br />412 <br />859 <br />1 amh.1— <br />8.5(H) <br />85(H) <br />01 SU <br />254 <br />660 <br />10 mgt <br />32 <br />102 <br />5 mgt. <br />(Appendix 2 05 6(3}3, January 2012) THIS SITE WILL BE MONITORED FOR 4 QUARTERS BEFORE MINING TAKES PLACE <br />8 4 QUARTERS BEFORE RECLAMATION BOND RELEASE <br />F \Waste Water EMS\DRMSW ew Honzon\NH2 Pennit\Annual Hydrology Report\2015\2015_annHyd.xls <br />