1988-04-11_PERMIT FILE - C1981008A (12)

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NUCLA EAST MINE GROUND WATER QUALITY REPORT SAMPLE POINT GW-N16(WB0016) LOCATION 46N15W6BCC GEOLOGIC UNIT UNDERBURDEN DATE OF COLLECTION 07/13/86 10/15/86 01/28/87 04/29/87 11/17/87 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 2640.00 1340.00 1290.00 1320.00 2610.00 PH (UNITS) 9.07 8.21 7.64 7.84 8.29 WATER TEMPERATURE (DEG C) 18.50 13.80 12.00 13.70 12.00 DEPTH TO WATER ( FT) 33.28 33.06 33.96 34.67 42.54 LABORATORY PARAMETERS ALKALINITY, DISS. (MG/L OF CAC03) 716.00 766.00 778.00 770.00 750.00 ALUMINUM, DISS. (MG/L) 0.15 < 0.05 < 0.05 < 0.05 < 0.05 ARSENIC, DISS. (UG/L) < 1.00 < 1.00 2.00 < 1.00 < 1 .00 BARIUM, DISS. (UG/L) 50.00 90.00 BICARBONATE, DISS. (MG/L) 766.00 905.00 949.00 939.00 915.00 BORON, DISS. (UG/L) 220.00 240.00 250.00 280.00 270.00 CADMIUM, DISS. (UG/L) < 5.00 < 5.00 < 5.00 < 5.00 < 5.00 CALCIUM, DISS. (MG/L) 8.00 14.00 8.00 11.00 14.00 CARBONATE, DISS. (MG/L) 53.00 14.00 0.00 0.00 0.00 CHLORIDE, DISS. (MG/L) 20.00 28.00 27.00 26.00 26.00 CHROMIUM, DISS. (UG/L) < 10.00 < 10.00 10.00 CONDUCTIVITY @ 25 DEG C (UMHOS/CM) 1520:00 1640.00 1680.00 1660.00 1630.00 COPPER, DISS. (UG/L) < 10.00 < 10.00 < 10.00 10.00 < 10.00 FLUORIDE, DISS. (MG/L) 1.10 1.70 1.50 1.50 1.60 HARDNESS AS CAC03 (MG/L) 41.00 60.00 41.00 56.00 56.00 p IRON, DISS. (MG/L) 0.03 < 0.02 < 0.02 0.02 < 0.02 LEAD, DISS. (UG/L) 20.00 < 20.00 < 20.00 < 20.00 < 20.00 MAGNESIUM, DISS. (MG/L) 5.00 6.00 5.00 7.00 5.00 to MANGANESE, DISS. (MG/L) < 0.01 0.01 0.01 0.01 0.01 MERCURY, DISS. (UG/L) < 0.20 < 0.20 < 0.20 0.40 < 0.20 MOLYBDENUM, DISS. (UG/L) < 50.00 < 50.00 < 50.00 < 50.00 < 50.00 NICKEL, DISS. (UG/L) < 20.00 < 20.00 NITROGEN, AMMONIA, DISS. (MG/L) 0.87 0.76 0.67 0.65 0.64 NITROGEN, NITRATE, DISS. (MG/L) 0.06 < 0.02 0.03 0.02 0.05 NITROGEN, NITRITE, DISS. (MG/L) < 0.01 PH @ 25 DEG C 9.10 8.50 8.30 8.3C 8.10 PHOSPHATE AS PO4, DISS. (MG/L) 0.10 < 0.10 < 0.10 POTASSIUM, DISS. (MG/L) 18.00 15.00 15.00 14.0( 16.00 SELENIUM, DISS. (UG/L) < 1.00 < 1.00 < 1.00 < 1.0( < 1.00 SILVER, DISS. (UG/L) < 10.00 < 10.0( < 10.00 SODIUM, DISS. (MG/L) 383.00 424.00 427.00 402.0( 417.00 SAR 26.48 24.17 29.52 23.55 SULFATE, DISS. (MG/L) 126.00 144.00 126.00 132.0( 146.00 SULFIDE, DOTAL (MG/L) < 0.20 SUSPENDED SOLIDS (MG/L) 7000 4250:00 25800 6220( 602.00 < ZINC, DISS. (MG/L) 0..01 < 0.01 < 0..01 < 0..0' 0.04 �• CATION/ANION BALANCE (%) 1.68 2.82 2.64 0.7L 2.58 DISS. DISSOLVED SOLIDS @ 180 DEG (MG/L) 950.00 1125.00 1108.00 1104.0( 1050.00 m DISS. DISSOLVED SOLIDS, CALCULATED (MG/L) 990.00 1091.00 1060.00 1040.0( 1058.00 ----------------------------------------- O INDICATES NO DATA r- 00 00