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Mid-Continent Resources, Inc. <br /> PRODUCERS OF THE FAMOUS COAL BASIN COKING COAL <br /> NIID-CONTINENT RESOURCES,INC. 201 Centennial Street <br /> 625 I'LAINFIELD ROAD-SUITE 220 Suite 406 Telephme: <br /> WILLOWBROOK,ILLINOIS 60521 Glenwood Springs, Colorado 81601 (303)9454958 <br /> October 30, 1990 <br /> Pat Nelson <br /> Permits & Enforcement Section <br /> Water Quality Control Division N(3 i; <br /> Colorado Department of health <br /> 4210 East llth Avenue Land <br /> Denver, CO 80220 i)i�1113i()F' <br /> RE: Supplemental information to Request for Amendment No. 2 <br /> of Colorado Wastewater Discharge Permit Number CO-0000396 <br /> Mid-Continent Resources, Inc. - Dutch Creek Mine. <br /> Dear Ms. Nelson: <br /> Mid-Continent Resources, Inc. has requested, by letter dated <br /> October 19, 1990, Amendment Number 2 to Colorado Wastewater <br /> Discharge Permit Number CO-0000396 to provide for certain <br /> modifications to the system (described in Amendment #1) for <br /> treatment of mine drainage prior to discharge. <br /> I wish to provide some Updated materials, and revise slightly our <br /> description of the system, as follows: <br /> The process flow diagram has been revised. <br /> The process flow description has been revised. <br /> Options B and C, which described a by-pass of the water <br /> treatment plant to the ponds at outfalls 020 and 001 have <br /> been determined infeasible. <br /> Enclosed please find the Revised Flow Diagram and Process Flow <br /> Description. Also, I neglected to say previously that the Operator <br /> in charge of the water treatment plant is Randy Litwiller, who has <br /> completed operator certification as required by Amendment No. 1. <br /> Yours truly, <br /> Diane Delaney <br /> Mid-Continent Resources <br />