2009-03-06_PERMIT FILE - C1981012A ‎(6)‎

• Permit No: C1981012A
• IBM Index Class Name: Permit File
• Doc Date: 3/6/2009
• Section_Exhibit Name: Exhibit 22 NPDES Permit
• Media Type: D
• Archive: Yes

CO-0000906
New Elk Mine Water Quality Assessment

rameter Q, 4S)
• P
Qz (ifs)
Q3 (efs1
1Ki 0 M3 Mr 7Votes
5 .1
3
a 6
5 6 2.3 .
Cd, Dis (µg/1) 3.0 . 8 0 50 77 2
Cr, Tot (µg/1) 3.0 5.6 6
8 1.8 19 28 1
Cu, Dis (µg/1) 3.0 5.6 . 0 94 144 1
Pb, Dis (µg/1) 3.0 5.6 8.6
27
3356
5,139 1
Mn, Dis (µg/1) 3.0 5.6 8.6 0 630 968 2
Ni, Dis (µg/1) 3.0 5.6 8.6
6
8 2.2 18.4 27 1
Se, Dis (µg/1) 3.0 5.6 . 0 3.7 5.7 2
Ag, Dis (µg/1) 3.0 5.6 8.6 0 193 296 1
Zn, Dis (4g/1) 3.0 5'6 8.6
6
8 137 750 1,078 1
All TR (99/1) 3.0 5.6 .
6
8
0
340
522
As, Dis (µg/1) 3.0 5.6
.
Note 1: See Note 1 in Table A-6a.
Note 2: See Note 2 in Table A-6a.
Table A-6c
Chronic Assimilative Capacities for Metals for Outfall 001
Ti er 2 - 900 m 1.3 m d, 2.0 c fs
Q(cfs') Q? (cfS) Qs M3 Mz
Parameter 4
3 2.0 6.3 0 100 315 i

As, TR (µg/1)
.
6
3

0

0.55 1.73 i
Cd, Dis (µg/1) 4.3 .
2.0 1
8 12 34 1
Cu, Dis (µg/1) 4'3 6.3
2'0 .
84 2,969
1000 1
Fe, TR (µg/1) 4.3 2.0 6'3
0 11.7
7
3 1
Pb, Dis (µg/1) 4.3 2.0 6.3
27
.
1854 5,782
1
Mn, Dis (µg/1) 4.3
6.3
2.0
0
010 0.032
0
2
Hg, Tot (µg/1) 4.3 2.0 6.3
0 .
70 22l
70 2
Ni, Dis (µg/1) 4.3 2.0 6.3
2
2 9.8
4
6 1
Se, Dis (µg11) 4.3 2.0 6.3 .
0 .
0.44
14
0 2
Ag, Dis (4g/1) 4.3 2.0 6.3 0 .
168 529 l
Zn, Dis (µg/1) 4.3 2.0 6.3
3
6
028
0 2.30
0.75
B, Tot (mg/1) 4.3 .
2.0
3
6 .
2
2
l 1.2 31
1
Se, Dis (Temp Std) (µ9/1)
bient backgro
N 4.3
und data were a .
.
2.0
vailable in total recoverable or dissolved form. Total data, however, were available
o am
Note 1:
and were therefore used to represent the background concentration.
t data were available for Cr, Hg, Ni, and Ag. However, the findings
of comparable studies suggest that
d
Note 2: No curren
pollutants consistently found at less than detection levels in-stream are deleted as pollutants of concern for a water body an
and Ag have been
Ni
Flg
ed that Cr
,
,
,
are no longer analyzed when in-stream sampling is performed. Thus, it has been assum
Based on this assumption, a background concentration of zero was
eliminated as pollutants of concern in the receiving stream.
used for Cr, Hg, Ni, and Ag.
•
Appendix A (wQA version 5-4tr•AaL» Page 15 of 29 Last Revised August 26, 2008