PERMFILE116165

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH1 TAB 7 APPENDIX 7-4 Groundwater Quality Analysis Including Aquifer Statistics
• Media Type: D
• Archive: Yes

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N UCLA EAST MINE GROUND HATER QUALI TY STATIST ICS REPORT
GEOLOGIC UNIT UNDERBURDEN
OBSf RVA TIONS MEAN ST.DEV. MIN MAX
FIELD PARAMETERS
CONDUCTIVITY (UMHOS/CM) 15 1711.33 481.13 1210.00 2640.00
PH (UNITS) 15 6.97 6.44 9.07
HATER TEMPERATURE (DEG C) 15 13.34 2.32 10.00 18.50
DEPTH TO HATER (FT) 15 47.80 19.22 33.06 78.32
LABORATORY PARAMETERS
ALKALINITY, DISS. (MC/L OF CAC03) 15 560.40 142.55 240.00 778.00
ALUMINUM, DISS. (MC/L) 15 0.06 0.03 0.05 0.15
ARSENIC, DISS. (UG/L) 15 3.40 4.50 1.00 13.00
BARIUM, DISS. (UC/L) 6 33.33 10.33 20.00 50.00
BICARBONATE, DISS. (MG/L) 15 674.27 165.24 288.00 949.00
BORON, DISS. (UC/L) 15 293.33 71.38 200.00 430. UO
CADMIUM, DISS. (UC/L) 15 5.13 0.52 5.00 7.00
CALCIUM, DISS. (MG/L) 15 169.60 151.07 8.00 373.00
CARBONATE, DISS. (IdC/L) 15 4.60 13.87 O.UO 53.00
CHLORIDE, DISS. (MC/L) 15 30.33 5.58 20.00 38.00
CHROMIUM, DISS. (UC/L) 9 10.00 0.00 10.00 10.00
CONDUCTIVITY ~ 25 DEC C (UMHOS/CM) 15 2182.67 599.51 1520.00 3240.00
COPPER, DISS. (UC/L) 15 10.00 0.00 10.00 10.00
FLUORIDE, DISS. (MG/L) 15 0.82 0.45 0.37 1.70
HARDNESS AS CAC03 (MG/L) 15 834.13 736.11 41.00 1888.00
IRON, DISS. (MG/L) 15 0.80 1.12 0.02 2.66
LEAD, DISS. (UC/L) 15 21.33 5.16 20.00 40.00
MAGNESIUM, DISS. (MC/L) 15 100.00 87.76 5.00 233.00
MANGANESE, DISS. (MG/L) 15 0.09 0.11 O.U1 0.30
MERCURY, DISS. (UG/L) 15 0.21 0.05 0.20 0.40
MOLYBDENUM, DISS. (UC/L) 15 50.00 0.00 50.00 50.00
NICKEL, DISS. (UG/L) 6 20.00 0.00 20.00 20.00
NITROGEN, AMMONIA, DISS. (MG/L) 15 1.29 0.48 0.65 2.29
NITROGEN, NITRATE, DISS. (MG/L) 15 0.04 0.05, 0.02 0.22
NITROGEN, NITRITE, DISS. (MG/L) 3 0.01 U. 00 0.01 0.01
PII ® 25 UEC C 15 7.62 7.00 9.10
PHOSPHATE AS P04, DISS. (MG/L) 9 0.10 0.00 0.10 0.10
POTASSIUM, DISS. (MC/L) 15 23.40 6.98 14.00 36.00
SELENIUM, DISS. (UC/L) 15 1.00 0.00 1.UU 1.00
SILVER, DISS. (UG/L) 9 10.00 0.00 10.00 10.00
SODIUM, DISS. (MG/L) 15 271.13 182.36 120.00 785.00
SAR 13 9.57 11.47 1.25 29.52
SIILFATE, DISS. (MG/L) 15 810,07 602.97 126.00 1611.00
SULFIDE, TOTAL (MC/L) 3 0.30 0.17 0.20 0.50
SUSPENDED SOLIDS (MG/L) 15 903.53 1235.18 54.00 4250.00
ZINC, DISS. (MG/L) 15 0.08 0.18 O.U1 0.65
CATION/ANION BALANCE (%) 75 0.211 2.29 -4.42 4.60
DISS. DISSOLVED SOLIDS f3 180 DEC (MG/L) 15 1746.60 716.53 950.00 2746.00
DISS. DISSOLVED SOLIDS, CALCULATED (MC/L 15 1726.87 707.77 990.00 2711.00
INDICATES NO DATA