2009-09-25_PERMIT FILE - M2009076 ‎(31)‎

• Permit No: M2009076
• IBM Index Class Name: PERMIT FILE
• Doc Date: 9/25/2009
• Doc Name: Ex. T- EPP
• From: Venture Resources
• To: DRMS
• Media Type: D
• Archive: No

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Permit rmm?linnne i .imitc Raced nn Hictnrie k.. Current RiQ 5 Tunnel Discharge*
Metal Limit
micro s/liter Limit nigil
milli s/liter Justification
Arsenic, As 10 0.01 Historic Big 5
Barium, Ba 2000 ??? 2 Domestic Water Std.
Cadmium, Cd 48 0.048 Historic Big 5
Chromium, Cr 100 0.1 Domestic Water Std.
Copper, Cu 2960 2.96 Historic Big 5
Lead, Pb 91 0.091 Historic Big 5
Manganese, Mn 32,200 32.2 Historic Big 5
Merc , H 2 0.002 Domestic Water Std.
Selenium, Se 50 0.05 Domestic Water Std.
Silver, A 50 0.05 Domestic Water Std.
Zinc, Zn 9770 9.77 Historic Big 5
*Note: It is necessary to apply a dilution factor of 1:3 to lab analysis of pilot plant samples in oraer to correlate me
data to proposed Mobile Mill operations. Refer to the explanation in the attached Waste Stream Characterization.
See 6.3.3(2)(b) for a detailed explanation of Points of Compliance.
designated chemicals to be used. There is also a complete collection of MSDS for these chemicals at the end of
Exhibit C.
6.4.20(10)(a)(i)
There are no Designated Chemicals to be used in this operation. Refer to Exhibit C, 63.3(2)(a) for a list of non-
There are no extractive metallurgical processes proposed as part of this operation, only gravity and flotation
concentration methods.
6.4.20(10)(a)(ii)
The stormwater management design has been performed by a CO licensed professional engineer. See this design in
Exhibit C and Exhibit E.
6.4.20(10)(a)(iii)
The stormwater management design has been performed by a CO licensed professional engineer. See this design in
Exhibit C and Exhibit E.
A Colorado Discharge Permit is not required because there is zero process water discharge to surface waters and the
process water is nearly 100% recycled back to the mill.
6.4.20(10)(b)
The stormwater management design has been performed by a CO licensed professional engineer. See this design in
Exhibit C and Exhibit E.
6.4.20(11)(8-c)
A Colorado Discharge Permit is not required because there is zero process water discharge to surface waters and the
process water is nearly 100% recycled back to the mill.
6.4.20(12)
A water quality monitoring plan has been set forth in this Exhibit T, 6.4.20(7)(d) and in Exhibit C, 6.3.3(2)(b).
6.4.20(13)(x)
There are no liquid containment systems proposed as part of operations.
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