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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 Teats <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 14 -Oct -16 15 -Nov -16 29 -Dec -16 31 -Jan -17 8 -Feb -17 16 -Mar -17 27 -Apr -17 16 -May -17 26 -Jun -17 17 -Jul -17 22 -Aug -17 19 -Sep -17 <br />FIELD PARAMETERS <br />PH <br />783 <br />767 <br />665 <br />706 778 <br />780 755 <br />745 <br />790 <br />763 787 <br />798 <br />Water Temperature (deg C) <br />106 <br />43 <br />10 <br />08 43 <br />24 72 <br />100 <br />156 <br />149 135 <br />107 <br />Condudmty(umhos/cm) <br />1962 <br />2610 <br />3350 <br />3320 2770 <br />2990 3280 <br />2620 <br />1404 <br />1768 2260 <br />1928 <br />Instantaneous Flow (cfs) <br />0 312 <br />0 254 <br />0 078 <br />0 020 0 064 <br />0 023 0 004 <br />0 238 <br />0 098 <br />0 196 0 425 <br />0 376 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDCS Units <br />Aluminum, total recoverable <br />0 05(B) <br />0 07(B) <br />0 14(B) <br />U <br />00300 mgt <br />Arsenic, dissolved <br />U <br />U <br />U <br />0 0004(B) <br />00005 mgL <br />Boron, dissolved <br />02 <br />017 <br />025 <br />019 <br />00100 mgt <br />Cadmium, dissolved <br />U <br />U <br />U <br />U <br />00001 mgL <br />Calcium, dissolved <br />401 <br />465 <br />432 <br />397 <br />02 mgt <br />Chromium, drssloved <br />U <br />U <br />U <br />U <br />001 mgt <br />Chromium, Trivalent dissolved <br />U <br />U <br />U <br />U <br />001 mgt <br />Copper, dissolved <br />U <br />U <br />U <br />U <br />00005 mgt <br />Iron, dissolved <br />U <br />0 08B <br />0 08(B) <br />005 <br />002 mgt <br />Iron, Total Recoverable <br />0 03(B) <br />068 <br />088 <br />022 <br />002 mgt <br />Lead, dissolved <br />U <br />U <br />U <br />U <br />00001 mgt <br />Magnesium, dkswlved <br />624 <br />726 <br />621 <br />517 <br />02 mgt <br />Manganese, dissolved <br />0 052 <br />0 01(B) <br />014 <br />0 176 <br />0 005 mgt <br />Manganese, total recoverable <br />007 <br />015 <br />068 <br />0 326 <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 mgL <br />Nickel, dissolved <br />U <br />U <br />U <br />U <br />001 mgL <br />Potassium, dissolved <br />34 <br />4 <br />51 <br />1 9 <br />030 mgt <br />Selenium, dissolved <br />U <br />U <br />00003(8) <br />00002(B) <br />00001 mot- <br />gtSilver, <br />Silver,dissolved <br />U <br />U <br />U <br />U <br />00001 mgL <br />Sodium, dissolved <br />254 <br />231 <br />262 <br />258 <br />03 mgL <br />Uranium, dissolved <br />00008 <br />00023 <br />00014 <br />00013 <br />00001 mgt <br />Zinc, dissolved <br />0 03(B) <br />U <br />U <br />U <br />001 mgt <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />149 <br />197 <br />148 <br />184 <br />2 mgt <br />Carbonate as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Hydroxide as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Total Alkalinity <br />149 <br />197 <br />148 <br />184 <br />2 mgt <br />Ammonia as N, unionized <br />U <br />U <br />U <br />U <br />Of mgt <br />Cation -Anion Balance <br />-37 <br />-77 <br />-18 <br />-2 <br />% <br />Sum of Anions <br />28 <br />35 <br />29 <br />26 <br />01 meq/L <br />Sum of Cations <br />26 <br />30 <br />28 <br />25 <br />01 meq/L <br />Chlonde <br />12 <br />99 <br />11 <br />172 <br />1 mgt <br />Conductivity @25C <br />1820 <br />2240 <br />2200 <br />2080 <br />1 umha�an <br />Cyanide, total <br />U <br />U <br />U <br />U <br />0 003 mgt <br />Dissolved Chromium Hexavalent <br />UH <br />UH <br />UH <br />UH <br />0 005 mgL <br />Hardness as CaCO3 <br />1260 <br />1460 <br />1330 <br />1200 <br />1 mgL <br />Nitrate as N, dissolved <br />0 05(B) <br />012 <br />0 06(B) <br />0 05(B) <br />002 mgt <br />NrtratelNitnte as N, dissolve <br />0 05(B) <br />012 <br />0 06(B) <br />0 05(B) <br />002 mgt <br />Nttnte as N, dissolved <br />U <br />U <br />U <br />U <br />001 mgL <br />Nitrogen, ammonia (ionized) <br />U <br />U <br />005(B) <br />U <br />005 mgt <br />pH (lab) <br />81(H) <br />81(H) <br />81(H) <br />8l(H) <br />01 SU <br />Phosphate <br />U <br />U <br />U <br />U <br />003 mgt <br />Phosphorus, ortrw dissolved <br />U <br />U <br />U <br />U <br />001 mgt <br />Residue, Filterable (TDS) @180 <br />1860 <br />2270 <br />2050 <br />1840 <br />10 mgt <br />Residue, Non -Filterable (TSS) <br />U <br />U <br />9(B) <br />U <br />5 mgt <br />Residue, Settleable Matter (SS) <br />U <br />U <br />U <br />U <br />Of mtaH <br />Sodium Absorpbon Ratio in Wat <br />032 <br />027 <br />032 <br />033 <br />003 mgt <br />Sulfate <br />1170 <br />1450 <br />1240 <br />1040 <br />5 mgt <br />Sulfide as S <br />U <br />U <br />U <br />U <br />002 mgt <br />TDS (calculated) <br />1770 <br />2150 <br />1870 <br />1650 <br />TDS (ratio - measured/calculat <br />1 05 <br />1 06 <br />1 1 <br />1 12 <br />h r4e8ahve (-) = Ieee men <br />2 U = rat defected et MDL (M,- Detechm Leval) <br />3 H- Exceeded hold hme <br />4 B = A-" concenhehon detected et a value between MDL ant POL <br />M tEMSWew Honzon NorthlEnwronmentall2 0 CDRMSt2 6 AHR & ARR12017\AHRt2017_NHN_AHR <br />