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• • • <br />2 <br /> <br />SENECA II MINE NPOES HATER QUALITY STATISTICS REPORT <br />SAMPLE POINT: NPDES 003 (DA0003I <br />LOCATION: 6N87N27CDB <br />SUBAREA: GRASSY CREEK <br /> N0. OF <br /> N0. OF CENSORED ' <br /> OBSERVATIONS OBSERVATIONS MEAN ST. DEV. MIN MAK <br />FIELD PARAMETERS <br />CONDUCTIVITY (UMHOS/CM1 53 0 3257.92 233.79 2830. 00 3680.00 <br />PH (UNITS) 53 0 8.11 7. 67 8.71 <br />HATER TEMPERATURE IOEG L) 5i 0 10.25 8.02 1. 00 24.10 <br />FLON lCFS) 53 0 0.105 0.074 0.001 0.263 <br />LABORATORY PARAMETERS <br />ACIDITY, DISS. ING/L OF CAC031 3 0 0.00 0.00 0. 00 0.00 <br />ALKALINITY, DISS. (MG/L OF CACOi] 2 0 221.00 32.53 198. 00 244.00 <br />ALUMINUM, TOTAL RECOVERABLE IMG/L) 3 0 0.12 0.05 0. 06 0.16 ' <br />ARSENIC, TOTAL RECOVERABLE IUG/L) 3 3 < 1. 00 < 1.00 <br />BARIUM, TOTAL RECOVERABLE fUG/L1 3 0 56.67 11.55 50. 00 70.00 • <br />BICARBONATE, DISS. IMG/L) 2 0 270.00 39.60 242 .00 298.00 <br />BORON DISS. lUG/L) 3 0 246.67 50.33 200. 00 300.00 <br />CADMIUM, TOTAL RECOVERABLE IUG/L) 3 3 < 0 .10 < 0.10 I <br />CALCIUM, DISS. lMG/Ll 3 0 284.00 10.15 275 .00 295.OD <br />CARBONATE, DISS. lMG/L] 2 0 0.00 0.00 0 .00 0.00 <br />CHLORIDE, DISS. IMG/L) ~ 3 0 120.00 31.65 94 .00 158.00 <br />CHROMIUM, TOTAL RECOVERABLE (UG/L) i 3 c 10 .00 c 10.00 I <br />CONDUCTIVITY a 25 OEG C (UMHOS/CM) 3 0 2820.00 113.58 2740 .00 2950.00 <br />COPPER, TOTAL RECOVERABLE IUG/LI i i < 10 .00 c 10.00 <br />FLUORIDE, DISS. IMG/L) 3 0 0.37 0.06 0 .30 0.40 <br />HARDNESS AS CACO3 lMG/L) 3 0 1707.67 143.54 1566 .00 1853.00 <br />IRON, TOTAL fMG/L) 12 5 < 0 .02 0.15 <br />IRON, DISS. fMG/U 3 3 < 0 .02 < 0.02 i <br />LEAD, TOTAL RECOVERABLE lUG/L1 3 2 < 1 .00 1.00 <br />MAGNESIUM, DISS. (MG/LI 3 0 243.33 11.26 210 .00 272.00 <br />MANGANESE, TOTAL lMG/L1 3 0 0.28 O.OB 0 .20 0.35 ~ <br />MANGANESE, DISS. IMG/L) 3 0 0.26 0.07 0 .19 0.32 <br />MERCURY, TOTAL RECOVERABLE (UG/L) 2 2 < 0 .10 < 0.10 <br />MOLYBDENUM, TOTAL RECOVERABLE IUG/Ll 3 1 < 1 .00 17.00 <br />NICKEL, TOTAL RECOVERABLE IUG/L) 3 3 < 20 .00 < 20.00 ' <br />NITROGEN, AMMONIA, TOTAL IMG/LI i 0 0.15 0.14 0 .05 0.31 ' <br />NITROGEN, NITRATE, DI55. (MG/LI S 2 < 0 .02 0.72 <br />NITROGEN, NITRITE, DISS. (MG/LI 3 2 < 0 .01 0.01 <br />PH a 25 DEC C 53 0 8.11 7 .67 8.71 , <br />PHOSPHATE AS PO4, DISS. IMG/L) 3 2 < 0 .10 0.10 <br />POTASSIUM, DISS. (MG/L) i 0 8.67 1.53 7 .00 10.00 <br />SELENIUM, TOTAL RECOVERABLE IUG/LI i 3 < 1 .00 < 5.00 <br />SILVER, TOTAL RECOVERABLE (UG/LI 3 2 < 0 .50 2.20 i <br />SODIUM, DI55. IMG/L) 3 0 166.00 10.82 157 .00 178.00 <br />SAR 3 0 1.77 0.04 1 .74 1.82 <br />SULFATE, DISS. (MG/LI 3 0 1696.33 175.24 1494 .00 1800.00 i <br />SULFIDE, TOTAL (HG/Ll 3 3 < 0 .01 < 0.02 <br />SUSPENDED SOLIDS lMG/LJ 32 2 < 2 .00 12.00 i <br />ZINC, TOTAL RECOVERABLE fMG/L) 3 1 < 0 .01 0.08 <br />CATION/ANIDN BALANCE l%1 2 0 -0.82 0.28 -1 .02 0.00 <br />TOTAL DISSOLVED SOLIDS a 180 DEG IMG/L) 12 0 2836.17 167.91 ~ 2480 .00 3082.00 <br />TOTAL DISSOLVED SOLIDS, CALCULATED lMG/U 2 0 2600.00 306.88 2383 .00 2817.00 '~ <br />t0 <br />n <br />I <br />W <br />INDICATES NO DATA <br />