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• Table 18. Ground Water Quality Statistics ~rt for Wel] GW-~13, Nucla Mine, Montrose Countylorado <br />NUCLA MINE GROUNU HATER gUALITV STATISTICS REPORT <br />SAMPLC POINT GH-N3(MA0003} <br />LOCATION 47N16N36BBD <br />GEOLOGIC UNIT UNDERBURDEN <br />OBSERVA TIONS MEAN 5T, DEV. MIN MAX <br />FIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM) 12 2267.50 485.15 1100. 00 2810.00 <br />PII (UNITS) 13 6.45 6. 10 7.GU <br />HATER TEMPERATURE (DEC C) 12 18.39 1.02 1/. UU 20.OU <br />DEPTH TO MAIER (FT) 14 47.29 1.82 43. 70 49.46 <br />LABORATORY PARAMETERS <br />ALKALIgITV AS CAC03 (MC/L) 14 359.07 81.01 245. 110 53D.DD <br />ALUMINUM, DISS. (MC/L) 10 0.15 0.10 0. 115 0.30 <br />ARSENIC, DISS. (UG/L) 11 1.45 0.52 1. 00 2.(10 <br />DICARBONATC (MG/L) 14 438.04 98.82 29(%. tl9 646.55 <br />BORON, DISS. (UC/L) 1U 421.14 135.29 250. OU 650.00 <br />CADMIUM, DISS. (UC/L) 10 4.19 1.09 0. 90 7.00 <br />CALCIUM (MC/L) 14 487.57 80.74 378. (10 638.011 <br />CAIIflONAIE IMC/L) 7 0.00 O.VO 0. 00 O.UU <br />C11I.UR10E (FiG/LJ 14 30.21 13.16 11. 0"1 SS.UO <br />CONDUCTIVIIY A 25 DEC C (UMHOS/CM) 14 2821,50 394.32 22UU. IlO 35UO.UU <br />COPPER, DISS. (UC/L) 12 18.17 3.86 lU . 110 20.00 <br />FLUORIDE (MC/l) 14 0.43 0.16 0. 26 U.9U <br />IIARDNESS (MC/L) 13 1932.15 272.10 1520. 00 2312.OU <br />IRON, DISS. (MC/L) 12 1,46 0.79 (I. OS 2.81 <br />LEAD, DISS. (UC/L) 12 35.00 30.90 20. 00 100.00 <br />MAGNESIUM (MG/L) 14 167.14 26.38 131. 00 206.00 <br />MANGANESE, DI55. (MC/l) 14 1.09 0.41 0, 04 1.74 <br />(t7 MCRCURY, DI55, (UG/L) 13 3.38 7.38 U. V2 20.00 <br />`~ MOLVBUCNUM, DISS. (UC/L) 11 132.09 80.98 3. UU 200.00 <br />NITROGEN, AMMONIA (MG'/L) 11 0.39 0.16 0. 15 O.G2 <br />NITROGEN, NITRATE (MG/L) 14 O.4y 0.67 D. U1 2.UU <br />~ <br />PH @ 25 DCC C 14 6.66 6. 40 7.50 <br />PHOSPHATE AS P04 (MC/LI B 0.13 O.OB (I. U2 0.3(1 <br />PIIOSPHORUS, ORT110 PHUSPHATE (MG/L) 8 U.U3 0.03 U. UU O. IU <br />POTASSIUM (MG/L) 14 9.61 4.07 5. 60 19.00 <br />SELENI Uf4, DISS. (U3/L) 11 1.55 0.52 1. 11(1 2.00 <br />SILICON, DISS. (MC/L) 7 8.80 1.12 7. 411 10.50 <br />SODIUM (MG/L) 14 62.64 ~ 22.59 3~i. OU 107.011 <br />SAR 14 O.G2 0.22 11. 3y 1.07 <br />SULFATE (MC/L) 14 1614.50 277.32 1250. OU 1990.00 <br />SUSPENDED SOLIDS (MG/L) 12 94.17 80.60 15. 00 242.00 <br />ZINC, DISS. (MG/L) 14 0.06 0.02 U. U2 0.12 <br />CATION/ANION BALANCE (,yi) 14 1.61 1.56 U. I/G 4.35 <br />TOTAL DISSOLVED SU-IDS @ 180 DEG (MG/L) 14 2760.86 373.79 2050. V0 3250.00 <br />T07AL DISSOLVED SOLIDS, CALCULATED (14C/L 14 2590.36 404.55 199tl. 51 3156.82 <br />INDICATES NO DATA <br />