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
• Table A-6f
Assimilative Capacities for Metals for Outfall 001
t
e
Acu
Tier 3 - 200 m (0.29 m d, 0.45 cfs

(CO) Q$, afs)
Q 1 (Cf) 92

M.1

M3
1Votes
M2
Parameter .
0 0.45 3.45
3
0
2.
3 3 1
177..6 6
Cd, Dis (µg/1) .
45
3 p 5 2
Cr, Tot (µg/l) .
3.0 0.45 1 8 19 134 1
Cu, Dis (µg/l) 3.0 0.45 3.45 p 94 721 1
Pb, Dis (µg/1) 3.0 0.45 3.45
27
3356
25,549 l

Mn, Dis (µg/1) 3.0 0.45 3.45
0
630
4,830 2
Ni, Dis (µg/1) 0.45 3.45
3.0
2
2
18.4
126 1
Se, Dis (µg/1) 3.0 0.45 3.45 .
p 7
3 28.4 2
Ag, Dis (µg/l) 3.0 0.45 3.45 0 .
193 1,480 1
Zn, Dis (µg/1) 3.0 0.45 3.45
137
750
4,837 1
Al, TR (4911) 3.0 0.45 3.45 p 340 2,607
As, Dis (4g/1) 3.0 0.45 3.45
Note 1: See Note I in Table A-6a.
Note 2: See Note 2 in Table A 6a.
Table A-6g
nic milative Capacities for Metals for Outfall 009
'
/?
Qa (cfi), =0 3;(O)
1Kr M3 Notes
Ms -
Parameter t

9 89
8
0
100 100
As, TR (µg/1) .
Cd, TR (µg/1) 8.9
Cr, TR(µg p 200 200
Cu, TR (µg/1) 8.9 8.9
p
l00
100
Pb, TR (µg/1) 0 8.9 8.9
0
200 200
Ni, TR (µg/1) 0 8.9 8.9
p
20 20
Se, TR (µg/1) 0 8.9 8.9
0 2000 2,000
Zn, TR (µg/1) p 8.9 8.9 p 75
0 0.75
B, Tot (mg/1) 0 8.9 8.9
0 .
3
21 21.3
Se, TR (Temp Std) (µg/1) 0 8.9 8.9 p .
lpp 100
Be, TR (µg/l) 0 8.9 8.9
V. Narrative Standards
Section 31.11(1)(a)(iv) of The Basic Standards an surface waters shall be free o Waters bstane substances that are
No. 31) includes the narrative standard that State
harmful to the beneficial uses or toxic to humans, animals, plants, or aquatic life. The interpretation
of these conditions (i.e., "no harm to plants" and "no harm to the beneficial uses") and how they
• were to be applied in permits were contemplated by the Division as part of an Agricultural Work
Page 17 of 29 Last Revised August 26, 2008
Appendix A (WQA version 5-4(rABL))