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SENECA II MINE NPDES RATER QUALITY REPORT ICONTINUATIONI SAMPLE POINT NPDES 003 (DA0003) LOCATION 6NB7R27COB BASIN GRASSY CREEK m V A GATE OF COLLECTION 03/03/94 03/09/94 03/14/94 03/22/94 Oi/30/94 D4/Ob/94 04/13/94 FIELD PARAMETERS CONDUCTIVITY IUMHOS/CM) 3200.00 3290.00 3010.00 3340.00 3430.00 3440.00 3360.00 PH IUNITS) 7.49 7.64 7.86 8.20 8.29 8.35 8.23 MATER TEMPERATURE [DE6 C) 4.00 2.00 7.00 8.00 5.00 6.00 7.50 FLOR (CF51 0.165 0.225 0.170 0.175 0.160 0.135 O.1B0 LABORATORY PARAMETERS ACIDITY, DISS. IMG/L OF CACO3) 0.00 ALKALINITY, DISS. IMG/L OF CAC03) 306.00 ALUMINUM, TOTAL RECOVERABLE IMG/LI 0.10 ARSENIC, TOTAL RECOVERABLE (UG/LI < 1.00 BARIUM, TOTAL RECOVERABLE LUG/LI 0.00 BICARBONATE, 0255. IMG/L) 364.00 BORON, DISS. (UG/LI 240.00 CADMIUM, TOTAL RECOVERABLE LUG/LI < 0.10 CALCIUM, DISS. (MG/LI 308.00 CARBONATE, DISS. fMG/LI 0.00 CHLORIDE. DISS. lMG/L) 78.00 CHROMIUM, TOTAL RECOVERABLE (UG/l) < 10.00 CONDUCTIVITY ~ 25 DE6 C IUMHOS/CM) 3160.00 COPPER, TOTAL RECOVERABLE (UG/LI < 10.00 FLUORIDE, DISS. (MG/L1 0.30 HARDNESS AS CACO3 IMG/L) 1889.00 IRON, TOTAL lMG/L) 0.03 0.09 IRON, DISS. lMG/L) < 0.02 LEAD, TOTAL RECOVERABLE LUG/L) < 1.00 MAGNESIUM, DI55. lMG/LI 273.00 MANGANESE, TOTAL (MG/LI 0.46 MANGANESE, DISS. IMG/LI 0.52 MERCURY, TOTAL RECOVERABLE LUG/LI < 0.20 MOLVBDENUI, TOTAL RECOVERABLE lUG/LI 3.00 NICKEL, TOTAL RECOVERABLE lUG/L1 < 20.00 NITROGEN, AMMONIA, TOTAL (MG/L) 0.10 NITROGEN, NITRATE, DISS. lMG/L] 1.65 NITROGEN, NITRITE, DISS. fMG/LI 0.02 PH ~ 25 DEC C 6.10 PHOSPHATE AS PO4, DISS. IMG/L) < 0.10 POTASSIUM, DISS. fMG/LI 9.00 SELENIUM, TOTAL RECOVERABLE LUG/LI 1.00 SILVER, TOTAL RECOVERABLE (UG/LI < 5.00 SODIUM, DI55. (MC/Lf 171.00 SAR 1.73 SULFATE, DISS. IMG/LI 1659.00 SULFIDE, TOTAL IMG/LI < 0.02 . SUSPENDED SOLIDS IMG/L) 2.00 4.00 ZINC, TOTAL RECOVERABLE IMG/LI c 0.01 CATION/ANION BALANCE (%) 2.71 TOTAL DISSOLVED SOLIDS ~ 1B0 DEG (MG/LI 2824.00 3030.00 TOTAL DISSOLVED SOLIDS, CALCULATED IMG/LI 2668.00 INDICATES NO DATA • • 15