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SW N203 CONTENTS: RESULTS OF MONTHLY FIELD TESTS and SEMI- ANNUAL TESTING, FLOW RATE CALCULATIONS, and FLOW RATE HYDROGRAPH Monthly Field Teats Quarterly Test Surface Water Quably Parameters SITE: SW -N203 N 1811110E 2112921 LOCATION 26 Road Crosang, Unnamed draw discharging evenbely to Coal Canyon Date of Collection 18 -Oct -15 18-Now15 8-13ec-15 14-J-18 10-Feb18 28 -Mar -16 13 -Apr -16 23 -May -16 22 -Jun -16 29 -Jul -18 24 -Aug -16 28 -Sep -16 FIELD PARAMETERS PH 7 72 751 723 697 718 758 734 702 772 7 89 788 704 Waley Temperature(dg C) 91 31 25 13 50 48 58 83 140 140 139 85 Conducbety(mhoslcm) 2320 2880 2870 3030 2990 2800 2570 2290 1071 2210 2490 2720 Instantanears Flow (cfs) 0 348 0 179 1 044 0 098 0 010 0 028 0 027 0 240 0 426 0 286 0 435 0 115 LABORATORY PARAMETERS Metas Analysis MDUS Unts Aluminum, total recoverable U 018(B) U 005(B) 00300 mat Anent, dissolved U U U U 00005 mai Boron, deaolved 021 019 021 019 00100 mai Cad—, dmedved U U U U 00001 mal. Cato—, dissolved 440 491 408 419 02 mai Chromium, duWoved U U U 002(B) 001 at Cl r--, Trnalenl diaadvod U U U 0 02(B) 001 mat Copper, d.—K d U U U U 00005 mat Iron, dissolved U U U U 002 mai Iron, Total R—able 002(B) 145 004(B) 003(B) 002 mai Lead, dieedved U U U U 00001 mai Magnesnsn, dissolved 726 768 529 546 02 mat MarVanese, dissolved 0 079 009 0 061 0 191 0 005 mat Manganese, total recoverable 0 079 047 0 085 0 192 00050 mai Mercury, dissolved U U U U 00002 at Molybdenum, dissolved U U U U 001 mat Nickel, dissolved U U U 0009(B) 001 mai Potaeaum, dissolved 45 34 52 28 030 mat Selenium, dissolved U U 00005 00002(B) 00001 mat Sher, dissolved U U U U 00001 mai Sodium, dissolved 257 231 21 2 237 03 mai Uranium, dissolved 0 001 0 0036 00007 00016 00001 mat Zinc, d.—I-d U U 0 02(B) U 001 mai Wet Chamraty Bicarbonate as CaCO3 171 233 107 191 2 mat Carbonate as CaCO3 U U U U 2 mai Hydromde as CaCO3 U U U U 2 mai Total Alkalinity 171 233 107 191 2 mat Ammonia as N, union¢ed U U U U Of mat Cason -Anon Balance 0 32 83 0 % Sum of Arsons 29 30 22 27 01 mey2 Sum of Cation 29 32 28 27 01 megt CNonde 13 97 94 187 1 mat Conductivity @25C 2040 2290 2000 1920 1 wnnoNon Cyanide, total U U U U 0 003 mai Dissolved Ctv—.— H—valera U U UH UH 0 005 mat Hardness as CaCO3 1400 1540 1240 1270 1 mat Nitrate as N, dissolved 0 02(B) Oil 0 03(BH) 0 03(BH) 002 mat NA.teMitrde as N, dnadve 0 02(B) Oil 0 03(BH) 0 03(BH) 002 mai Mint. as N, dmeolved U U UH UH 001 mat. Nitrogen, ammonia (Ionized) U U U U 005 mai PH (lob) 81(H) 8(H) 8(H) 82H O1 s Phosphate 0 06(B) U U U 003 mal Phosphorua, Ortho d.—K d 0 02(B) U UH UH 001 mai Residue, Filterable(TDS)@180 1930 2460 1860 1890 10 at Rated., Non-F.IW.ble (TSS) U 6(8) U U 5 mai Residue, Seebable Matter (SS) U U UH U 01 mL v, Sod— Absaptan Ratio in Wal 03 026 027 029 003 moa Sulfate 1200 1100 910 1100 5 mai Sulfide ea S U U U U 002 mat TDS (calculated) 1860 1940 1470 1730 10 mat TDS (rata - measaaedhakulal 104 1 27 1 27 1 09 1 Nepsave (-)=see Han 2 U • na arlxMel NOt (Mmmum ONecbm Leve9 s ff-Etcaedadrml4- 19 =Aroyls cacsnbabm daeaed N e vMN bNBM MOL aMPtY 'HIS SITE WILL BE MONITORED FOR 4 QUARTERS BEFORE MINING TAKES PLACE UARTERS BEFORE RECLAMATION BOND RELEASE ni ,cnwvvew nviiwn iv�iuncnvnuinne miu v rr.�..�v ..uro �ein�n�cv iv,cv _ _ n