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Table 29• Ground Water Quality Statistics Report for 41e11 Glf-P:4, P:ucla Mine, Montrose County, Colorado <br />NUCLA MINE GROUND HATER DUALITY STATISTICS REPORT <br />SAMPLE POINT GN-N4(NA0004) <br />LOCATION 47N16N368CC <br />GEOLOGIC UNIT UAKOTA COAL <br />OBSERVATIONS MEAN ST. DEV. MIN MAX <br />iIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM) 11 4248.18 935.32 1640.00 4880.00 <br />PN (UNITS) 13 6,68 6,50 7.80 <br />HATER TEMPERATURE (DEG C) 12 14.09 2.14 11.OU 18. BU <br />DEPTH TO HATER (FT) 14 6.80 0.55 6.05 7.70 <br />LABORATORY PARAMETERS <br />ALKALINITY AS CAC03 (MC/LI 14 558.36 61.51 412.00 640.00 <br />ALUMINUM, DISS. (MC/L) 10 0,14 0.09 0.05 0.30 <br />ARSENIC, DISS. (UC/L) ii 1.45 U. 52 1,DU 2.UU <br />BICARBONATE (MC/L) 14 681.17 75.04 5(12.62 780.78 <br />• BURON, DISS. (UG/L) 14 497.86 213.87 292.00 1111,00 <br />CADMIIIM, DISS. (UC/L) ~ 10 5.82 4.82 0.20 17.00 <br />CALCIUM (MC/L) 14 474.64 28.48 418.OU 517. U0 <br />CARBONATE (MC/L) 7 0.00 0.00 U.UO O.OU <br />CHLORIDE (MC/L) 14 55.79 14.69 23.00 84.00 <br />CONDUCTIVITY ® 25 1EG C (UMHOS/CM) 14 5908.93 435.04 4BOU.00 6710.00 <br />COPPER, DISS. (UC/L) 12 23.00 10.04 IU.UJ SO.OU <br />FLUORIDE (MG/L) 14 1.07 0.43 0.64 2.45 <br />HARDNESS (MG/L) 13 4829.46 477.81 3786.00 5680.00 <br />IRON, DISS. (MG/L) 12 1.27 0.62 0.07 2.19 <br />LEAD, DISS. (UC/L) 12 47.50 56.59 20.00 190.00 <br />MAGNESIUM (MG/L) 14 867.79 118.02 588 UO 1100.00 <br />MANGANESE, DISS. (Ml:/L) 14 3.15 1.55 1.SU 7.P4 <br />MERCURY, DISS. (UG;~L) 13 3.39 7.38 (I.U2 20.00 <br />,p MOLYBDENUM, OfSS. (IIG/L) 11 133.09 79.28 14,00 200.00 <br />o NITROGEN, AIiMON1A (MC/L) 11 0.64 0.29 U.IU 1.32 <br />NITROGEN, NITRATE (MC/L) 14 0.52 0.77 (1.01 2.42 <br />PH ® 25 DEG C 14 6.80 6.60 7.30 <br />PIIOSPHATE AS P04 (MC/L) B U. 13 0.09 (1, U1 U. 311 <br />PHOSPHORUS, ORTHOPHOSPHAT°_ (MC/L) 8 0.03 0.03 11.OU 0.10 <br />POTASSIUM (MC/L) 14 23.35 5.37 G. UO 28.L~0 <br />ccLFk!UM, HISS. lUC/L) 11 1.64 0.67 1.00 3.b0 <br />SILICON, DISS. (MG/L) 7 d. i3 0.92 6 50 0, 7n <br />SODIUM (MC/L) 14 206.57 30.55 108.(10 230. 0(~ <br />SAR 14 1.30 0.17 0,77 1.46 <br />SULFATE (MG/L) 14 4377.14 341.91 3429.00 4860.(10 <br />SUSPEkOED SOLIDS lMG/L) 12 14.08 6.23 S.OU 24.00 <br />ZINC, DISS. (MC/LI 14 O.Ub O.G3 "2 t?. 10 <br />CATION/ANION BALANCE (',$) 14 2.26 1.54 (1.32 5.41 <br />TOTAL DISSOLVED SOLIDS ~ 180 DEG (MG/L) 14 6722.86 385.27 5438.00 71UU.OU <br />TOTAL DISSOLVED SOLIDS, CALCULATED (MC/L 14 6345.32 479.94 4916.91 7047.08 <br />INDICATES NO DATA <br />- • • <br />