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ABSTRACT <br />Commercial Testing and Engineering, Co. (CT&E) conducted a two species acute bioassay on <br />_ the West Elk Mine Lone Pine Pipeline effluent discharge. This discharge has been designated as <br />outfa11013. The purpose of this bioassay was to determine if the facility complies with the WET <br />• portion of the Colorado State Permit System Authorization to Discharge. The test organisms <br />utilized were the fathead minnow (Pimephales promelas) and the daphnid (Daphnia magna). <br />= Test results indicate that the effluent w•as not acutely tonic to either species. Therefore, <br />Mountain Coal Company outfall 013 e$luent is in compliance with the acute WET portion of its <br />Colorado State Discharge Permit for the second quarter of 2000. <br />s <br /> <br />.~ <br /> <br />~7 <br /> <br />COMMERCIAL TESTING & ENGINEERING CO. <br />~~ <br />Ltd <br />"brigmal Watermarketl For Your Protection „ , .A. <br />