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Jun 26 9B 04:36p Cyprus Rmax User <br />C ~ItiNENTYMWE <br />~ COAI. COMPANY <br />A Cyprus Ama: Company <br />19701 870-2753 <br />Twentymile Coal Company <br />29515 Routt County Road 1127 <br />Oak Creek, Colorado 80467 <br />970.879-3800 <br />p.2 <br />June 2G, I998 <br />Ms. CuLi Lenkey <br />Colorado Dcparvnent of Public Health and Lnviro,uueat <br />Wacer (Zu;[lity Control Division - Petmiu and L• nfon;ement <br />4700 Cherty Creek Drive South <br />Drover, (_O 80?Z-[S30 <br />RE: PF.RIyITT GO.0027154: A_MFND FNT TO MAY 19QJt nMR SUTiMITTAT <br />C)ear Ms. Lcnkey: <br />The DMR reWrt For caleula[ed Outfa11019 shows imm~'ea values for both the 1'nnl Rn-nveriF,le M~rrganese <br />~ and F'loa+ parameters. The Excel spreadsheet used in tale~tlating these resulu acts applying the defdi oJJlrnu as <br />opposed [o [hc correct milG'argd(wrs perrLry readings. The Toral RetrnrmEle Mm{gnuse formula in [he above <br />mentioned spreadsheet was tigming emery cells as heing'zero' which in cum skewed the final smtistics for that <br />parameter. <br />All future ..+preadshec[s have been revised [n utilize the appmpria[e information. <br />'llte antcnded DMR along wi[h a copy of the F.xcel spreadsheet is included wi[ft [his submiaal. <br />Plc;uc contact me at (9.'0) 879-3800, ext. 2805 for any (archer questions or uidinona! mformauon. <br />COLORAI~~YA~rvIPACOAI,COMP -~ - <br />i ,~ 1 <br />'c--- <br />r Ems.' ~'c•-•;.cC ~ Cr.r <br />~ ~. <br />'•S hanie S. (.alSer t ' ~ <br />Environmental Specialist <br />enclosures <br />cr. DMG <br />(:Wl'S pcTmit No. CO.0027154 fde <br /> <br />