2009-03-02_PERMIT FILE - C1980004A ‎(9)‎

• Permit No: C1980004A
• IBM Index Class Name: Permit File
• Doc Date: 3/2/2009
• Section_Exhibit Name: Appendix N Probable Hydrologic Consequences
• Media Type: D
• Archive: Yes

•
Table N-8
CDPHE Analysis
11129/2004 12/1x2004 1124'2005 217/2005 4/29/2005 5.'29!2007 5!31!2005
Arsenic TR <:0.005 0.005 0.005 0.006 <0.005 0.015 <0.005
(3dnuum PD <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.009
~;lirc~mium III, <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
Copper PD 0.01 0.01 0.008 0.006 <0.005 <0.005 <0.005
Manganese PD 0.013 0.014 0.016 0.013 <0.01 <0.01 <0.01
Mercun~, Total 0.00037 0.00035 0.00038 0.00029 <0.000025 0.00026 <0.000025
Lead PD <0.005 <0.005 <0.005 <0.005 0.04 <0.005 <0.01
Nickel PD 0.03 0.04 0.03 0.04 0.02 0.0.38 0.013
Selenium PD 0.013 0.011 0.013 0.011 <0.005 <0.005 <0.005
Sd+,er PD <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
Znc PD <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01

6/18!2005 8116x'2005 9110.'2005 1/31/2006 2128'2006 AVG
Arsenic h1 <0.005 0.096 0.092 0.098 0.007 0.041 mgil
Cadmium PD 0.007 0.004 0.003 0.031 0.004 0.009 mg,''I
Chromium III. <0.005 <0.005 <0.005 <0.005 <D.005 <0.005 mg/I
Copper PD <Q.005 <0.005 <0.005 <0.005 0,025 0.012 ir~g/l
Manganese PD 0.023 <0.01 <0.01 0.022 <0.01 0.017 mq/l
Mercury, Total <0.000025 <0.000025 <0.000025 0.000041 0.000083 0.000 mg'I
Lead PD <0.01 0.03 0.027 0.035 0.01 0.028 mg~l
Nickel PD <p.01 <0.01 <0.01 0.03 0.01 0.030 mg'I
Selenium PD <D.005 0.186 0.177 0.254 0.027 0.087 mgxl
Siht;r F i) <0.001 <0.001 <0.001 0.003 <0.001 0.003 mg'I
Znc PD 0.013 0.022 0.028 0.32 0.01 0.079 m~'I
Data shown in Table N-9 for SW-1 and SW-8 are based on metal concentration
averages for the five year period. The mine water and leachate ar e based on a
weighted average.
Table N-9
5-Year Metal Concentrat ion Comparison (2003-2008)
Mine & Leachate SW-1 SW-8
Weighted Average Average Average
Concentration (mg/L) Concentration (mg/L) Concentration (mg/L)
Arsenic 0.017 0.099 0.076
Copper 0.054 0.095 0.041
Manganese 0.071 0.805 0.358
Lead 0.054 0.066 0.065
Selenium 0.092 0.238 0.236
Apperrclix N - TF3-16 - 12 -
10/08