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SW–N203 <br />CONTENTS: RESULTS OF MONTHLY FIELD TESTS and SEMI - ANNUAL TESTING, <br />FLOW RATE CALCULATIONS, and FLOW RATE HYDROGRAPH <br />Monthly Field Tests <br />Quarterly Test <br />Surface Water Quality Parameters <br />SITE: SW -N203 <br />N 1611110 E 2112921 <br />LOCATION 26 Road Crossing Unnamed draw <br />discharging eventually to Coal Canyon <br />Date of Collection 17- Oct -12 27- Nov -12 13- Dec -12 22- Jan -13 21- Feb -13 25- Mar -13 12- Apr -13 31- May -13 11- Jun -13 17- Jul -13 22- Aug -13 18- Sep -13 <br />FIELD PARAMETERS <br />PH <br />777 <br />768 <br />7 37 <br />725 745 <br />746 748 <br />789 <br />822 743 <br />798 <br />8 13 <br />Water Temperature (deg C) <br />120 <br />25 <br />14 <br />14 07 <br />55 119 <br />108 <br />188 198 <br />169 <br />151 <br />Conduchvity(umhos/cm) <br />1736 <br />2230 <br />2400 <br />2940 2660 <br />2500 2390 <br />1720 <br />725 1819 <br />1915 <br />1961 <br />Instantaneous Flow (cfs) <br />0 138 <br />0 054 <br />0 033 <br />0 010 0 014 <br />0 002 0 022 <br />0203 <br />0 727 0 073 <br />0 240 <br />0 894 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDL'S Units <br />Aluminum, total recoverable <br />0 09(B) <br />U <br />U <br />0 10(B) <br />00300 mgt <br />Arsenic dissolved <br />U <br />U <br />U <br />U <br />00005 mga <br />Boron, dissolved <br />02 <br />017 <br />Oil <br />019 <br />00100 mgt <br />Cadmium dissolved <br />U <br />U <br />U <br />U <br />00001 mpa <br />Calcium, dissolved <br />473 <br />497 <br />322 <br />411 <br />02 mp& <br />Chromium, dissooved <br />U <br />U <br />U <br />U <br />001 mga <br />Chromium, Tnvalenl dissolved <br />U <br />U <br />U <br />U <br />001 mga <br />Copper, dissolved <br />U <br />U <br />U <br />00005(B) <br />00005 mga <br />Iron, dissolved <br />0 03(B) <br />U <br />0 03(B) <br />U <br />002 mga <br />Iron, Total Recoverable <br />033 <br />003(B) <br />005(B) <br />115 <br />002 mwL <br />Lead, dissolved <br />U <br />U <br />U <br />00001(8) <br />00001 mgt <br />Magnesium, dissolved <br />77 <br />76 <br />44 <br />554 <br />02 mgt <br />Manganese, dissolved <br />0 331 <br />045 <br />0 172 <br />0 711 <br />0 005 mgt <br />Manganese, total recoverable <br />044 <br />0 532 <br />016 <br />0 862 <br />00050 mgt <br />Mercury, dissolved <br />U <br />U <br />U <br />U <br />00002 mgt <br />Molybdenum, dissolved <br />U <br />U <br />U <br />U <br />001 mga <br />Nickel, dissolved <br />002(B) <br />003(B) <br />U <br />U <br />001 mgL <br />Potassium, dissolved <br />29 <br />35 <br />3 <br />2 <br />030 mga <br />Selenium, dissolved <br />U <br />U <br />00001(B) <br />00002(B) <br />00001 mgL <br />Silver, dissolved <br />U <br />U <br />U <br />U <br />00001 mgl <br />Sodium, dissolved <br />257 <br />244 <br />187 <br />252 <br />03 mgt <br />Uranium, dissolved <br />00011 <br />00024 <br />00024 <br />00017 <br />00001 mgL <br />Zinc, dissolved <br />U <br />U <br />U <br />U <br />001 mp. <br />Wet Chemistry <br />Bicarbonate as C.0O3 <br />146 <br />189 <br />159 <br />213 <br />2 mgt <br />Carbonate as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Hyd—de as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Total Alkalinity <br />146 <br />189 <br />159 <br />213 <br />2 mA <br />Ammonia as N, unionaed <br />U <br />U <br />U <br />U <br />01 mgL <br />Cation -Anon Balance <br />1 1 <br />05 <br />-40 <br />-3 <br />% <br />Sum of Aprons <br />305 <br />32 <br />227 <br />279 <br />Of meq/L <br />Sum of Cations <br />31 2 <br />323 <br />206 <br />26 3 <br />01 meq/L <br />Chloride <br />10 <br />9 <br />8 <br />13 <br />1 mgL <br />Conductivity @25C <br />2010 <br />2370 <br />1680 <br />2130 <br />1 umlrosrcm <br />Cyanide, total <br />U <br />U <br />U <br />U <br />0003 mgL <br />Dissolved Chromium Hemvalenl <br />HU <br />HU <br />HU <br />U <br />0005 mgL <br />Hardness as CaCO3 <br />1500 <br />1550 <br />986 <br />1260 <br />1 mgt <br />Nitrate as N, dissolved <br />045 <br />009(B) <br />U <br />U <br />002 mgt <br />Nttrate/Nate as N, dissolve <br />045 <br />009(B) <br />U <br />U <br />002 m9h <br />Nitrite as N, dissolved <br />U <br />U <br />U <br />U <br />001 mgt <br />Nitrogen, am mona(lonrzed) <br />U <br />U <br />U <br />U <br />005 mgt <br />PH (lab) <br />81(H) <br />80(H) <br />82(H) <br />8l(H) <br />01 S <br />Phosphate <br />U <br />U <br />U <br />003(B) <br />003 mgvL <br />Phosphorus, ortho dissolved <br />U <br />U <br />U <br />001(B) <br />001 mg1L <br />Residue, Filterable (TDS) @180 <br />2040 <br />2240 <br />1480 <br />1880 <br />10 mga <br />Resdue, Non- Flterable (TSS) <br />85 <br />U <br />U <br />5(B) <br />5 mga <br />Residue, Settleable Matter (SS) <br />61 <br />U <br />0 1(B) <br />0 3(B) <br />01 mLLLN <br />Sodium Absorption Ratio in W at <br />029 <br />027 <br />026 <br />031 <br />003 mpVL <br />Sulfate <br />1300 <br />1330 <br />920 <br />1110 <br />5 mgL <br />Sulfide as S <br />U <br />U <br />U <br />U <br />002 mgL <br />TDS (calculated) <br />1980 <br />2050 <br />1410 <br />1750 <br />10 maa <br />TDS (ratio - measured/calculat <br />1 03 <br />1 09 <br />1 05 <br />1 07 <br />1 NepefNe ( -) =bu lM1en <br />2 U =rid deleded at MOL(Mnmum Dd mLevd) <br />9 H- Fxueded M1dd hme <br />4 8= Mefyle cmcenhe6 mdelededelavaMe6v— M1XandP <br />1 00 <br />090 <br />080 <br />070 <br />000 <br />Flow Rate (cfs) 050 <br />040 <br />030 <br />020 <br />010 <br />000 <br />Flow at SW -N203 <br />Oct -12 Nov-12 Dec -12 lan-13 1e113 Mar -13 Par-13 May-13 Jun -13 Jul -13 le-13 .-Is <br />Month <br />(Append,.2 056(3) -3, January 2001g2)pp THIS RRSITE WILL BE MONITORED FOR g44 QUARTERS BEFORE MINING TAKES PLACE <br />E \Waste Water EMS\ %%T\ \New Hon0 n%ni PerA.ITJ'nOnuNaf Hydmlegy Report12013_ANUHYD <br />I <br />