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0 0 0 <br />West Elk Mine 2008 Annual Hydrology Report <br />• Table 12. Summa of CDPS Discharges for Water Year 2008 Ada ted from WY 2008 DM Rs MCC 200911 <br />47 <br /> <br />Discharge <br /> <br />Point <br /> <br />Monitoring Period <br /> <br />Flow (mgd) 1 <br /> <br />pH (SU) <br /> <br />TSS 1 (mg/1) Total Fe (mg/I <br /> <br />r Total <br />Residual <br /> <br />TDS 1 (mg/1) <br />Oil/Grease <br />5-day BOD <br />Fecal <br />1 <br /> *) <br />lilI Chlorine Visual (mg/1) #/1 <br />00 ml <br /> (m /1) <br /> Quarters Avg. Max. Min. Max. Avg. Max. Avg. Max. Avg. Max. Avg. Max. Visual Avg. Max. Max. <br />004A MB-2R 1 Oct 07 - 31 Dec 07 0.04 0.9 7.78 8.38 2.5 5.0 0.07 0.09 0.27 0.28 338.5 350 0 <br /> <br />(Mine Wtr <br />1 Jan 08 - 31 Mar 08 <br />4.0 <br />3.25 <br />7.01 <br />8.04 <br />20.6 <br />69 <br />0.20 <br />0.48 <br />0.23 <br />0.37 <br />512 <br />734 <br />0 <br />- t <br />Backwash & <br />Runoff) 1 A r 08 - 30 Jun 08 0.086 1.0 7.8 8.4 40 40 0.21 0.21 0.22 0.26 490 545 0 <br /> <br /> 1 Jul 08 - 30 Se 08 0.076 2.2 8.5 8.5 34 34 210* 210` 68 68 615 615 0 - <br />005A MB-3 1 Oct 07 - 31 Dec 07 0.024 0.749 8.31 8.31 0 0 0.074 0.074 - - 438 438 0 - <br />(Coal 1 Jan 08 - 31 Mar 08 N. D. N. D. <br />Conveyor 1 Apr 08 - 30 Jun 08 N <br />D N <br />D <br /> <br />Runoff) . <br />. . <br />. <br /> <br /> 1 Jul 08 - 30 Sep 08 N. D. N.D. <br />007A WWTP 1 Oct 07 - 31 Dec 07 0.006 0.006 7.33 7.687 17.33 36 - - <0.1 0.48 - - 0 3.94 6.2 12 20 <br />(Domestic <br />WWTP 1 Jan 08 - 31 Mar 08 0.001 0.0012 7.08 8.03 7.67 12 - - <0.1 0.48 - <br />0 <br />12.2 <br />16.4 <br />12 <br />20 <br />Polishing 1 Apr 08 - 30 Jun 08 0.0009 0.0012 7.2 7.4 13 13 - - 0.55 1.67 - - 0 24 24 50 50 <br />Pond) 1 Jul 08 - 30 Se 08 0.00014 0.00016 - - 23 23 - - - - - <br />- <br />- <br />18.6 <br />18.6 <br />21 <br />21 <br /> 1 Oct 07 - 31 Dec 07 0.0180 0.0180 8.07 8.09 1 1 0.24 0.27 - - 720 873 0 - - - - <br />008A MB-4 <br />(Loadout 1 Jan 08 - 31 Mar 08 0.0180 0.0180 7.38 8.24 20 29 1.27 1.89 - 6,976 11,247 0 <br />Runoff) 1 Apr 08 - 30 Jun 08 0.0002 0.0018 7.22 7.22 22 22 0.63 0.63 - - 1,667 1,667 0 - - <br /> 1 Jul 08 - 30 Sep 08 N. D. N. D. <br /> 1 Oct 07 - 31 Dec 07 N <br />D N <br />D <br />009A MB-5 . <br />. . <br />. <br /> <br />(Subsoil 1 Jan 08 - 31 Mar 08 N. D. N.D. <br />Stockpile <br /> <br />Runoff) 1 Apr 08 - 30 Jun 08 N.D. N. D. <br /> <br /> 1 Jul 08 - 30 Se 08 N.D. N.D. <br /> 1 Oct 07 - 31 Dec 07 N. D. N. D. <br />01 1A <br />Mine 1 Jan 08 - 31 Mar 08 N <br />D N <br />D <br />Wtr to Syl <br />tr t . <br />. . <br />. <br /> <br />Gulch 1 Apr 08 - 30 Jun 08 N. D. N.D. <br /> 1 Jul 08 - 30 Sep 08 N. D. N. D. <br /> 1 Oct 07 - 31 Dec 07 N.D. N.D. <br />012A Mine 1 Jan 08 - 31 Mar 08 N <br />D N <br />D <br /> <br />Wtr to Minn . <br />. . <br />. <br /> <br />Ck 1 Apr 08 - 30 Jun 08 N.D. N. D. <br /> 1 Jul 08 - 30 Sep 08 N.D. N.D. <br />March 2009 HydroGeo, Inc.