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~n <br />• NUCLA MINE <br />NPDES WATER QUALITY ~T ISTICS REPORT <br />SAMPLE POINT NPDES 001 (DAOU01) <br />LOCATION 47N16W368CC <br />SUBAREA TUTTLE DRAH <br />OBSERVATIONS MEAN ST.DEV. MIN MAH <br />FIELD PARAMETERS <br />CONDUCTIVITY (UM)IOS/CM) 16l 1972.08 474. 00 1000. 00 3600.00 <br />PH (UNITS) 204 7.28 6. 00 8.60 <br />WATER TEMPERATURE (DCG C) 169 15.35 8. 68 0. 60 58.00 <br />FLOH (CFS) 248 0.35 0. 38 0. 00 1,48 <br />LABORATORY PARAMETERS <br />ACIDITY, DISS.(MG/L OF CAC03) 265 0.00 0. 00 0. 00 0.00 <br />ALKALINI FY, DISS. (MG/L OF CAC03) 65 278.86 49. 43 174. 00 389.00 <br />ALUMINUM, TOTAL (MC/L) 26 0.30 0. 24 0. 05 1,03 <br />ARSENIC, TOTAL (UG/L) 23 1,43 0. 59 1. 0(1 3.00 <br />BARIUM, TOTAL (UG/L) 3 200.00 0. 00 200. 00 200.00 <br />BICARBONATE, DISS. (MC/L) 26 372.00 61. 35 254. 00 475.00 <br />BORON, TOI AI_ (UG/L) 23 363.48 281. 47 90. 00 1510,00 <br />CADMIUM, TOTAL (UG/L) 23 6.23 11, 24 0. 00 56.00 <br />CALCIUM, TOTAL (TAG/L) 68 453.46 104. 05 160. 00 720.00 <br />CARBONATE, DISS. (!iC/L) 26 0.00 0. 00 0. 00 O.OU <br />CHLORIDE, DISS. (MG/L) 7U 14.74 4. 20 5. 00 24.00 <br />CHROMI UId, TOTAL (UC/L) 5 30.00 33. 91 10. 00 90.00 <br />CONDUCTIVITY @ 2S DEL' C (UMHOS/C14) 146 2635.48 536. 17 1130. 00 3920.00 <br />COPPER, TOTAL (UG/L) 28 16.79 7. 55 2. 00 40.00 <br />FLUORIDE, DISS. (MG/L) 28 0.82 0. 15 0. 65 1.34 <br />HARDNESS AS CAC03 (MG/L) 26 1584.50 637. 06 118. 00 2750.00 <br />IRON, TOTAL (MC/L) 196 0.27 0. 18 0. 02 1.28 <br />IRON, DISS. (MG/L) 132 0.06 0. 06 O. U2 0.40 <br />LEAD, TOTAL (UC/L) 26 22.69 8. 27 20. 00 60.00 <br />MAGNESIUM, TOTAL (MC,/L) 25 176.Bh 69. 31 74. 00 343.00 <br />MANGANESE, TOTAL (MG/L) 161 0.14 0. 19 0. 02 0.97 <br />MANCANESC, DISS. (MC/L) 114 0.25 0. 25 0. 02 0.96 <br />MERCURY, TOTAL (UC/L) 29 0.23 0. 28 O. U1 1.00 <br />MOLYBDENUM, TOTAL (UI;/L) 23 126.26 86. 17 2. 00 300.(10 <br />NICKEL, TOTAL (UG/L) 4 2(1.00 0. 00 20. 00 20.00 <br />NITROCCN, AM140NIA, DISS. (MC/L) 25 0.07 0. 05 O. U2 0.20 <br />NITROGEN, 111TRATE, DISS. (MC/L) 26 0.41 0. 56 O. U1 1.85 <br />NITROGEN, NITRITE, DISS. (MC/L) 0 <br />PH ® 25 UCG C 187 7.77 7. 30 8.30 <br />PIIOSPHATE AS P04, DISS. (MC/L) 16 0.27 (1. 20 0. 10 0.90 <br />POTASSIUId, TOTAL (MC/L) 26 7.81 2. 23 S. DD 15.00 <br />SELENIUM, TOTAL (UC/L) ~ 2.3 1.52 0. 59 1. 00 3.00 <br />SILVER, TOTAL (UG/L) 4 1T.00 2. 71 9. 00 15.00 <br />SODIUM, TO7AL (MG/L) 26 39.38 12. 05 3. 00 59.00 <br />SAR 16 0.44 0 ,08 0. 35 0.70 <br />SULf ATE, DISS. (MC/L) 38 1432.05 hB9. 71 502. 00 2450.00 <br />SULFIDE,TOIAL (MG/L) 1 0.20 0. 20 0.20 <br />SUSPENDED SOLIDS IMC/L) 203 8.75 10. 13 0. 00 68.00 <br />ZINC, TOTAL (MC/I_) 25 0.02 0. 01 U. O1 0.06 <br />CATION/ANION BALANCE (°m'1 16 1.37 2. (13 -3. 82 4.017 <br />TOTAL DISSOLVED SOLIDS FT 180 DEC (MC/l) 168 2539.71 664. 54 A92. U0 3670.00 <br />TOTAL DISSOLVED SOLIDS, CALCULATED (MG/L 16 2150.75 797. 67 926. 00 3600.00 <br />INDICATES NO DATA <br />