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• • SENECA II MINE NPOES HATER QUALITY REPORT (CONTINUATION) SAMPLE POINT NPDE$ 003 (DA00031 LOCATION 6N87N27COB BASIN GRASSY CREEK DATE OF COLLECTION 02/25/91 03/04/91 03/11/91 03/21/91 03/28/91 04/03/91 04/09/91 FIELD PARAMETERS CONDUCTYVITY IUMHOS/CM) 3230.00 3510.OD 3400.00 3390.00 3340.00 2630.00 3240.00 PH (UNITS) 7.57 7.90 7.81 7.92 7.91 7.93 8.34 HATER TEMPERATURE (DEC CI 0.60 2.70 2.50 3.00 3.60 9.20 7.70 FLON ICF$) 0.045 0.432 0.234 0.325 0.294 0.129 O.1B6 LABORATORY PARAMETERS ACIDITY, DISS. (MG/L OF CACO3) 65.00 , ALKALINITY, DISS. fMG/L OF CACO3) 260.00 ALUMINUM, TOTAL RECOVERABLE IHG/LI < 0.05 ARSfNIC, TOTAL RECOVERABLE fUG/L) < 1.00 BARIUM, TOTAL RECOVERABLE fUG/L1 ~ 50.00 BICARBONATE, DISS. IMG/L1 317.00 BORON, DISS. iUC/L1 240.00 CADMIUM, TOTAL RECOVERABLE lUG/LI < 0.10 CALCIUM, DISS. IMG/L) 324.00 CARBONATE, DISS. IHG/L) 0.00 CHLORIDE, DISS. fMG/L) 140,00 CHROMIUM, TOTAL RECOVERABLE (UG/L) < 10.00 CONDUCTIVITY a 25 DEG C IUMHOS/CMl 3060.00 COPPER, TOTAL RECOVERABLE IUG/L) < 10.00 FLUORIDE, DI55. IMG/L) 0.30 HARDNESS AS CACO3 (HG/L) 1819.00 IRON, TOTAL fMG/LI 0.09 0.11 IRON, DI55. fMG/L) < 0.02 LEAD, TOTAL RECOVERABLE IUG/LI 2.00 MAGNESIUM, DISS. (MG/LI 246.00 MANGANESE, TOTAL lMG/ll 0.34 , MANGANESE. DISS. (MG/LI 0.34 MERCURY, TOTAL RECOVERABLE IUG/L) < 0.10 MOLYBDENUM, TOTAL RECOVERABLE fU0/L) < 1.00 NICKEL, TOTAL RECOVERABLE IUG/L1 < 20.00 NITROGEN, AMMONIA, DISS. fMG/LI 0.69 NITROGEN, NITRATE, DI55. IMG/L) 1.16 NITROGEN, NITRITE, DISS. fMG/L) 0.04 PH a 25 DEG C 7.80 PHOSPHATE AS PO4, DI55. fMG/L) < 0.10 POTASSIUM, DI55. (MG/LI 8.00 SELENIUM, TOTAL RECOVERABLE fUG/L) < 1.00 SILVER, TOTAL RECOVERABLE fUG/U ,- < 0.50 SODIUM, DISS. fMG/L) 189.00 SAR 1.95 SULFATE, DI55. IMG/Ll 1743.00 SULFIDE, TOTAL IMG/LI < 0.10 SUSPENDED SOLIDS fNG/L) 6.00 6.00 ZINC, TOTAL RECOVERABLE lMG/L) 0.01 CATION/ANION BALANCE 1/.) - 0.90 TOTAL DISSOLVED SOLI05 a 180 OEG lMGlLI 2932.00 2792.00 TOTAL DISSOLVED SOlI05, CALCULATED IMG/L) ~ 2798.00 15 ~J O W