2011-04-08_PERMIT FILE - C1981012A ‎(6)‎

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 4/8/2011
• Section_Exhibit Name: EXHIBIT 08 HYDROLOGY AND GEOLOGY INFORMATION
• Media Type: D
• Archive: Yes

TABLE 1 (cont)
Historic Summary of Waler Oaulity
at PRS - 1, Middle Fork of the Purgatoire
River, above Naw Elk Mine
Data Minimum Maximum Mean Minimum Maximum Mean Minimum Maximum Mean Mlnlmum Maximum .Mean Minimum Maximum Meen
Entry Value Value Average Value Value Average Value Value Average Value Value Averegs Value Value Avareps
SAMPLING DATE 1989 1989 1989 1990 1990 1990 1991 1991 1991 1992 1992 1992 1993 1993 1997
Pa~ameler Units
Stall Gauge feet
Flow cfs
pH standard
Conductivity umhoslcm
Temperature 'C
Dissolved Oxygen ppm
Iron mg/I
TSS mgll
TDS mg/l
TCS mg/l
Carbonate mall
Bicarbonate mg/l
Manganese mg/l
Sodium mg/l
Chloride mgll
Sulfate mg/I
Calcium mg/l
t,Aagnesium mg/I
Potassium mg/l
Hydroxide mgll
Fluoride mg/l
Lead mgll
Selenium mg/I
SAR standard
0 2 0.6 0.35 0.12 0.42 0.2518 0.1 0.6 0.31 0.00 0.50 0.27
17.26 17.6 17 43 - - - - - - - - -
6.9 9.2 8.16 7.27 9.5 8.23 6.88 8.36 7.89 7.23 8.18 7.66
280 590 355.13 179 420 268.83 152 239 206.33 195.00 955.00 334.30
0.6 22.5 10.1 0.7 24 2 12.4 5.8 21.1 12 35.00 69.00 49.72
S 12.7 9.38 7.5 11.8 9.8 7 17.3 10.8 8.70 13.20 10.80
0.1 0.11 0.23 0.13
10 6 B 2.50
177 190 236 180.00
10 62 5 30.00
1 3 0.5 2.50
141 146 176 170.00
0.01 0.04 0.03 7.10
6.6 7 9 5.70
1.2 1.6 1.9 2.26
31 44 42 32.00
43 47 55.1 39.00
7.3 a 1os z1o
0.92 1 1.34 0.70
0.5 <1 0.5 0.50
0.3 0.4 0.05 0.35
o.ozs <o.DS o.o2s o.01
0.05 <0 1 0.05 0.001
0.24 0.25 0.29 0.22
0.19 0.85 0.38
9.12 59.20 23.38
7.40 9.04 8.20
123.00 380.00 237.82
3.44 14.17 9.02
7.70 14.80 B.SS
0.15
2.50
170.00
89.00
0.50
140.00
0.0125
8.00
2.00
28.00
42.00
e.oo
1.00
0.50
0.28
0.03
0.003
0.22