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CO-0000906
<br /> New Elk Mine Water Quality Assessment
<br />• Table A-6d
<br /> Assimilative Capacities for Metals for Outfall 001
<br />t
<br /> e
<br />Acu
<br />Tier 2 - 900 m (1.3 m d, 2.0 cfs
<br /> Mz Notes
<br />M1 M3.
<br />Qj (efs) Qz (cfs) . Qs (ifs)
<br /> Parameter .
<br />5 2.3 5.8 1
<br /> 0
<br />Cd, Dis (µg/1) 3.0 2.0 50 125 2
<br /> 5
<br />Cr, Tot (µg/1) 3.0 2.0
<br />8
<br />1 19 45 1
<br /> 5
<br />.
<br />Cu, Dis (µg/1) 3.0 2.0
<br />0 94 235 1
<br /> 5
<br />Pb, Dis (4g/1) 3.0 2.0
<br />27
<br />3356 8,350 1
<br />356
<br /> 5
<br />Mn, Dis (4g/1) 3.0 2.0
<br />0 1,575 2
<br /> 5
<br />Ni, Dis (µg/1) 3'0 2.0
<br />2
<br />2 18.4 43 1
<br /> 5
<br />.
<br />Se, Dis (µg/1) 3.0 2.0
<br />0 3.7 9.3 2
<br /> 5
<br />Ag, Dis (µg/1) 3.0 2.0
<br />0 193 483 ]
<br /> 5
<br />Zn, Dis (µg/1) 3.0 2.0
<br />137
<br />750 1,670 1
<br /> A1, TR (µg/1) 3.0 2.0 5 0 340 850
<br /> As, Dis (4911) 3.0 2.0
<br /> Note 1: See Note 1 in Table A- a.
<br /> Note 2: See Note 2 in Table A-6a.
<br /> Table A-6e
<br /> Chronic Assimilative Capacities for Metals for Outfall 001
<br /> Tier 3 - 200 m 0.29 m d, 0.45 efs
<br />
<br />Qi (es) Q1 (eP Q3' (efS) Ma M3 M, Notes
<br /> Parameter
<br />0
<br />3 0.45 4.75
<br />4 100 1056 1
<br /> .
<br />As, TR (4g/1)
<br />0
<br />3 0.45 4.75
<br />4
<br />0.55 5.8 1
<br /> .
<br />Cd, Dis (µg/1)
<br />0.45 4.75 1.8
<br />4
<br />3
<br />12 109 1
<br /> .
<br />Cu, Dis (µg/1)
<br />3 0.45 4.75 84
<br />4 1000 9,753 1
<br />
<br />.
<br />Fe, TR (µg/1)
<br />4.75 0
<br />3 0.45
<br />4
<br />
<br />3.7 39 1
<br /> .
<br />Pb, Dis (µg/1)
<br />27
<br />75
<br />45 4
<br />0
<br />1854 19,312 1
<br /> .
<br />.
<br />Mn, Dis (4g/1) 4.3
<br />0 010 0.11 2
<br />0
<br /> Hg, Tot (µg/1) 4.3 0.45 4.75 .
<br />70 739 2
<br /> Ni, Dis (µg/1) 4.3 0.45 4.75 0 28 1
<br /> Se, Dis (µg/1) 4.3 0.45 4.75 2.2 4.6
<br />5 2
<br />1
<br /> Ag, Dis (µg/1) 4.3 0.45 4.75 0 .
<br />0.14
<br />773 1
<br />1
<br />
<br />4.75 0
<br />Zn, Dis (µg/1) 4.3 0.45
<br />,
<br />168
<br />7
<br />6
<br /> Tot (mg/1) 4.3 0.45 4.75 0.028
<br />B .
<br />0.75
<br />9 7 1
<br /> ,
<br />4.3 0.45 4.75 2.2
<br />Se, Dis (Temp Std) (µg/1)
<br />ilable in total recoverable or dissolved form.
<br />11.2
<br />Total data, however, were available
<br /> Note 1: No ambient background data were ava
<br /> and were therefore used to represent the background concentration.
<br />data were available for Cr, Hg, Ni, and Ag. However, the findings
<br />of comparable studies suggest that
<br />d
<br />d
<br /> y an
<br />Note 2: No current
<br />pollutants consistently found at less than detection levels in-stream are deleted as pollutants of concern for a water bo
<br />been assumed that Cr, Hg, Ni, and Ag have been
<br />i
<br />h
<br /> as
<br />t
<br />are no longer analyzed when in-stream sampling is performed. Thus,
<br />Based on this assumption, a background concentration of zero was
<br /> eliminated as pollutants of concern in the receiving stream.
<br /> used for Cr, 1Ig, Ni, and Ag.
<br />
<br /> Page 16 of 29
<br />sl Last Revised August 26, 2008
<br /> .»
<br />Appendix A (wQA version 5-4cra
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