PERMFILE50229

• Permit No: C1981013
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 06 HYDROLOGY INFORMATION
• Media Type: D
• Archive: No

TABLE 1 (coot)
Historic Summary of Water 1]auliry
at PRS - 1, Middle Fork of the Purgatoire
River, above New Elk Mine
Data Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean
Entry Value Value Average Value Value Average Value Value Average Value Value Average Value Value Averags
SAMPLING DATE 1969 1969 1969 1990 1990 1990 1991 1991 1991 1992 1992 1992 1993 1993 1993
Parameter Units
Stall Gauge feat
Flow c!s
pH standard
Condudivdy umhoslcm
Temperature 'C
Dissolved Oxygen ppm
Iron mg/l
TSS mg/l
TDS mgll
TCS mg/I
Carbonate mgll
Bicarbonate mg/I
Manganese mg/I
Sodium mg/I
Chloride mg/1
Sulfate mg/I
Calcium mg/1
Magnesium mg/l
Potassium mg/l
Hydroxide mg/l
Fluodtle mg/I
Lead mgll
Selenium mg/I
SAR standard
0.2 0.6 0.35 0.12 0.42 0.2516 0.1 0.6 0.31 0.00 0.50 0.27 0.19 O BS 0.36
17 26 17.6 17.43 - - - - - - - - 9.12 59.20 23.35
6.9 9.2 6.16 7.27 9.5 8.23 6.66 8.36 7.69 7.23 8.16 7.66 7.40 9.04 6.20
280 590 355.13 179 42D 266.83 152 239 206.33 195.00 955.OD 334.30 123.00 360.00 237.62
0.6 22.5 10.1 0.7 24.2 12.4 5.6 21.1 12 35.00 69.00 49.72 3.44 14.17 9.02
5 12.7 9.36 7.5 11.6 9.8 7 17.3 10.6 8.70 13.20 10.60 7.70 14.&1 9.55
0.1 0.11 0.23 0.13 0.15
10 8 B 2.50 2.50
trr 1so x36 teo.oo no.oo
10 62 5 30.00 66.00
1 3 0.5 2.50 0.50
141 146 176 170.00 140.00
0.01 0.04 0.03 7.10 0.0125
6.6 7 9 5.70 8.00
1.2 1.6 1.9 2.26 2.00
31 44 42 32.00 26.00
43 47 55.1 39.00 42.00
7.3 B 10.5 7.10 8.00
0.92 1 1.34 0.70 1.00
0.5 ~1 0.5 0.50 0.50
0.3 0.4 0.05 0.35 0.25
o.o2s <o.gs o.ozs o.01 0.03
0.05 <0.1 0.05 0.001 0.003
0.24 0.25 0.29 0.22 0.22