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STATE OF COLORADO <br />DlYlS10N OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Shemfan St., Room 215 <br />Denver, Colorado a0203 <br />Phone: (303) 86&3567 <br />FAX: (303) 832106 <br />Interoffice <br />MEMORANDUM <br />OLORADO <br />(VISION O F <br />IN ORALS <br />EO L.OGY <br />:LANATION•NINING <br />SAFETY•f CIFNCE <br />to: File, C-1980-001, Edna Mine, CDMR eili Owens <br /> image files: C-1980-001 Hydrology o°'"e1"°r <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., 11 b Inverne~~)13 <br /> East, Suite 207, Denver, CO 80112 A«~ Iles <br /> $g~aId W. Cattany <br />Beth Hessen, WWC Engineering, 611 Skyline Road, Laramie, WY 820~IJis;enDirector <br /> Clyde Sharp, Colorado Department o .Public Health and Environment, ~~Resource Trustee <br /> Cherry Creek Drive South, Denver O 80246 <br />from: Byron G. Walker, EPS <br />subject: Review, June 2006 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br /> 000032638 <br />date: July 27, 2006 <br />ref: WWC Engineering letter of July 24, 2006 to Colorado Division of Minerals and <br /> Geology Re: Edna Mine, June 2006 CPDS <br />The following checklist summarizes the results of the Colorado Division of Minerals and <br />Geology's (CDMG) review of the above-referenced DMRs. <br />A statement in the referenced letter is that discharges from DMP 004 and DMP 007 did not <br />exceed any compliance criteria., and that WET tests passed. <br />Dischar a Point Dischar e <br /> DMR Re ort Division Observations <br /> <br />004 yes (0.051 mgd average <br />0.070 m d maximum) 0.14 mgd on 22 May 2006 <br />007 yes (-.675 mgd average <br />0.889 m d maximum) 1.5 mgd, 22 May 2006 <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> es / no <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />1. Timely <br />CDMG regulation (28 days after close of the month, page <br />submittal of DMRs 4.05.13 2 a u1 <br />(x x ) y~ 19). Dates of sampling were not <br />to CDMG provided. The DMRs were received at <br /> the Division on July 26, 2006, under a <br /> WWC letter dated Jul 24, 2006. <br />Revie,~, JLne 2006 DMR ('DPS Permit 000032638 page 1 of 2 pgges <br />lNfice of Uffice of Colorado <br />Mined Land REeclamation Active and Inactive Mines Geological Survey <br />