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<br />West Elk Mine 2007 Annual Hydrology Report <br />10 0 <br />37 <br />Table 10 <br />Summary of CDPS Discharges for Water Year 2007 (cont.) <br />L ischarge <br />Point <br />Monitoring Period <br />Flow (mgd) 1 <br />pH (SU) <br />TSS 1 (mg/1) <br />Total Fe (mg/1) Total Residual <br /> <br />Chlorine (mg/1) <br />TDS 1 (mg/1) Oil/Grease <br /> <br />Visual 5-day BOD <br /> <br />(mg/1) Fecal Coliform <br /> <br />#/100 ml <br /> Quarters Avg. Max. Min. Max. Avg. Max. Avg. Max. Avg. Max. Avg. Max. Visual Avg. Max. Avg. Max. <br /> 1 Oct 06 - 31 Dec 06 N.D. N.D. <br />014A SG-1 1 Jan 07 - 31 Mar 07 N.D. N.D. <br /> 1 Apr 07 - 30 Jun 07 N.D. N.D. <br /> 1 Jul 07 - 30 Sep 07 N.D. N.D. <br /> 1 Oct 06 - 31 Dec 06 N.D. N.D. <br />015A RPE 1 Jan 07 - 31 Mar 07 N.D. N.D. <br /> 1 Apr 07 - 30 Jun 07 N.D. N.D. <br /> 1 Jul 07 - 30 Sep 07 N.D. N.D. <br /> 1 Oct 06 - 31 Dec 06 N.D. N.D. <br />016A MB-1 & Jan 07 - 31 Mar 07 0.800 1.0 7.56 8.37 15 24 0.16 0.44 479 605 0 <br />FW-1 07 - 30 Jun 07 <br />[I:Apr 0.800 1.0 8.05 8.05 0 0 0.13 0.13 341 341 0 <br /> Jul 07 - 30 Sep 07 N.D. N.D. <br /> 1 Oct 06 - 31 Dec 06 0.40 1.40 8.40 8.50 10.5 18 0.59 0.66 2,670 2,710 0 - <br />017A MW in 1 Jan 07 - 31 Mar 07 0.80 1.00 8.10 8.56 15 30 0.44 0.59 - 2626 2722 0 - <br />Sly Gulch 1 Apr 07 - 30 Jun 07 0.80 1.00 7.92 8.23 15 21.0 1.12 1.51 2,550 3,126 0 - <br /> 1 Jul 07 - 30 Sep 07 0.65 0.65 8.26 8.58 10 24 0.73 1.24 2,482 2,647 0 - <br /> 1 Oct 06 - 31 Dec 06 N.D. N.D. <br />018A MWPS 1 Jan 07 - 31 Mar 07 N.D. N.D. <br /> 1 Apr 07 - 30 Jun 07 N.D. N.D. <br /> 1 Jul 07 - 30 Sep 07 N.D. N.D. <br />N.D. - No Discharge <br />- - - Not Applicable <br />mgd - million gallons per day <br />mg/I - milligrams per liter <br />SU - standard units <br />ml - milliliter <br />June 2008 HydroGeo, Inc. HydroGeo, Inc.