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1~ <br />s Carla Lenkey, CDHPE <br />-m., ' A ril 24, 2006, -page 2 TRAPPER MININGr INC. <br />Trapper is required to maintain sediment levels in ponds at or below 60~ of the pond vohune. All outfalls have <br />been properly maintained and no ponds exceeded the 60% threshold for sediment accumulation. All structures <br />operated properly and were not compromised in any way. The exceedances occurred solely in response to <br />discharge caused by precipitation and/or snowmelt, therefore the alternative limitations are applicable for this <br />event. All other operations were properly conducted concerning the sediment control structures at Trapper Mine. <br />Thank you for your cooperation in this matter. If you have any further questions or comments concerning the <br />enclosed information, feel free to contact me. <br />Sincerely, <br />~~«, <br />Graham Roberts <br />EHS Specialist <br />GCR IWATER\DMR Cover Islrer,l' Qiarier 3006 <br />Erelowre <br />c larn airuis. CDMG <br />Fik 1091.7 <br />;reify under penalty of.law that this; document and all attachments were prepared under my <br />;t;tion or supervision in accordance with a system designed to assure that qualified personnel <br />perly gather and evaluate the information submitted. Based on my inquiry of the person or <br />sons who. manage the' system, or' those persons directly responsible for gathering the <br />trmation, We information submitted is' to the best, of my knowledge- and belief, true, <br />orate, and' complete. I am aware that there are significant penalties for submitting false <br />trmation; including the possibility of fine and imprisonment for knowing violations. <br />ltaymo d G. DuBois <br />President & General Manager <br />P.O. Box 187 Craig, Colorado 81626 (970) 824-4401 <br />