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qCZ Englnwrlnq and Envlronmantal Sarvlaa <br />1475 Pine Grove Fond. SuM 109 <br />P.o. 90: n4o,a <br />• Steamtbat Sprirga, Colorado 80477 <br />303.879.8280 <br />September li, 1992 <br />Mr. Randall P. Prig <br />Department of Minerals and Geolop <br />1313 Sherman Strew, Room 21S <br />Deaver, Colorado 80203 <br />Re: Ksrr Coal Company, Mart Mine ~etmic No. C-80006) <br />NPDES Compliaoo: Dawmmtation <br />Dear Mr. Pries <br /> <br />Ia response co your letter of September 11th. you will find endosed copies of relevaoc <br />correspoadeaa dowmmtin8 oompGaooe with NPDES reportitr~ requiretaeats, wad addressing <br />resolution of eoneeras relatia~ to eaceedatra of effluetu limitations. <br />Based oa our most resat ooaversuiom with the Colorado Department of health (CDI~, a <br />dacumeated by our letter of September 10th, Kerr Coal Company ~Cerr) has requested zn <br />esemptioa from TSS limitation: bated oa the fan that stormwacer «taoff u the estdtuive soura <br />of inflow to the goads (ie: no process water) and the goads have been maintained wad operated <br />• aooordia~ to approved plans and permit coaditiotss. If thin eumpdoa request is approved, goad <br />dischar8e would be subject to a settleable solid: limitation rather than the 'TSS standard. Givm <br />the hiB}s level of suspended solids in natural runoff (a hilt peraenta8e of whidt arc woo- <br />settleable), this moaitoria~ approach should provide a more aoauate represmtacioa of the <br />effeviveaess of bergs sedimentation aoatrol measures. <br />We appretaue your interest is this matter. Please feel free to aontaa either Rich BurteU or me <br />if you have nay !rather quesdoas. <br />Siacerdy, <br />ACZ Inc /y~~ <br />Jay MG/aoa <br />]IvIId:smm <br />x G. Pattersoa/berr Caul <br />R Burtdl/ACZ <br />• <br />.~vw~r. R <br />errs ~. <br />