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2009-03-06_PERMIT FILE - C1981012A (6)
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2009-03-06_PERMIT FILE - C1981012A (6)
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Last modified
7/11/2017 9:39:10 AM
Creation date
8/4/2009 11:01:08 AM
Metadata
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Template:
DRMS Permit Index
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
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PART I <br />Page No. 5 <br />Permit No.: CO-0000906 the <br />E <br /> <br />permittee <br />authorize Beginning no later than the effective date ofmum discharge dlasting through the r to of 200 gpm (0.29nmgd) date,treated mine water from Pondl tat <br />discharge from outfall(s): 001C at a maxi <br />37°09.423'N, 104°58.067'W, and 009C - at a maximum discharge rate of 200 gpm (0.29 mgd), mine water from the mine <br />portal at 37°09.429'N, 104°56.765'W. <br />In accordance with the Water Quality Control Commission Regulations for Effluent Limitations, Section 62.4, and the <br />Colorado Discharge Permit System Regulations, Section 61.8(2), 5 C.C.R. 1002-61, the permitted discharge shall not contain <br />effluent parameter concentrations which exceed the following limitations specified below or exceed the specified flow <br />limitation. <br />Effluent Parameter <br />Flow, MGD <br />Total Suspended Solids (TSS), mg/l <br />pH, S.U. (minimum}maximum) <br />Oil and Grease, mg/l <br />Total iron, µg/l <br />Total Ammonia as N, mg/l <br />Electrical Conductivity, dS/m <br />Sodium Adsorption Ratio <br />Calcium, mg/l <br />magnesium mg/l <br />Sodium, mg/l <br />Bicarbonate, mg/l <br />Whole Effluent To)acity, Acute Lethality (009C) <br />Whole Effluent To)acity, Chronic Lethality (001C) <br />E?Iluent Limitations at 001 C and 009C <br />Maximum Concentrations <br />30-Day Averaee 7-Day Average Daily Maximum <br />0.29 * NA Report <br />35 <br />NA <br />NA <br />3,500 <br />Report <br />9.227 <br />Report <br />Report <br />Report <br />963 <br />Report <br />NA <br />NA <br />NA 70 <br />NA 6.5-9 <br />NA 10 <br />NA 7,000 <br />NA Report <br />NA Report <br />NA Report <br />NA Report <br />NA Report <br />NA Report <br />NA Report <br />NA LC50 > 100% <br /> Statistical Difference <br />NA & IC25 > I WC <br />* The combined discharge from Outfalls 001C and 009C may not exceed 0.29 MGD. <br />Beginning no later than the effective date of this permit and lasting through the expiration date, the permittee is authorized to <br />discharge from outfall(s): 004A - treated surface water runoff from Pond 4 at 37009.390'N, 104058.358'W; 007A - <br />treated surface water runoff from Pond 7 at 37009.547'N, 104057.419'W; and 008 A - treated surface water runoff <br />from Pond 8 at 37°09.623'N, 104°57.748'W. Note that mine water may not be dischar ed via Outfalls 004A 007A or <br />008A. <br />In accordance with the Water Quality Control Commission Regulations for Effluent Limitations, Section 62.4, and the <br />Colorado Discharge Permit System Regulations, Section 61.8(2), 5 C.C.R. 1002-61, the permitted discharge shall not contain <br />effluent parameter concentrations which exceed the following limitations specified below or exceed the specified flow <br />limitation.
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