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• III IIIIIIIIillll III • ~-~ <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 21 S <br />Denver, Colorado 80203 -~ <br />Phone: (3031 866-3567 <br />fAX: (303) 832-8106 <br /> <br />October 23, 2001 <br />Mr. Scott Hazlitt <br />Leadville Mining & Milling <br />P.O. Box 552 <br />Leadville, CO 80461 <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />RECLAMATION <br />MINING•SAFET7 <br />Bill Owens <br />Governor <br />Greg E. Walther <br />Executive Director <br />Michael B. Long <br />Division Director <br />RE: Chemical Stores at the Mill, Leadville Mining and Milling, Permit No. M-1990-057 <br />Deaz Mr. Hazlitt, <br />The Division of Minerals and Geology received your reagent inventory in the LMMI Leadville Mill dated <br />October 1, 2001. The reagent inventory provided by the operator demonstrates that there aze no <br />particulazly problematic hazazdous chemicals stored at the mill. Included in this memo are some facts <br />about the chemicals onsite gleaned from material safety data sheets. Also included are some <br />recommendations for continued storage that should be addressed by the operator. When the reclamation <br />costs for the mill is to be recalculated, certain recommendations for the costs to properly dispose of these <br />chemicals is also included. <br />Where ratings are included in the information on each chemical discussed below, the following rating scale <br />applies: <br />[n each of taut t[nzard categories: <br />Itaihh - TFra dartgor or tmdclyttro subsianoe presents <br />h prnQ i", Irg(estod, br nb6erhee, hcRutlb[g iha pelnntlal <br />efkrcl txl humnNuntmaf reproduah~e probsscos. <br />Flammobtl[ty -The tsndenc~ al IAB sttbstanw to bum. <br />AcaetMty-The polendol of Blo subctarrm meYplntle <br />br react violently wM oL•, water or ether snbatanees. <br />CbrAatl -Tire dorrgar the substerxa presents nAen <br />exposed to skin, cn7os, end rnu~us rrlorrLrrenas- <br />Copper Sulfate: <br />Health Rating: 2 -Moderate <br />Flatrunability Ra[ing: 0 -None <br />Reactivity Rating: 0 -None <br />Contact Rating: 2 -Moderate <br />