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RIDER TO MINING PERMIT <br /> Permit Date: July 6,2021 <br /> Permit No: C-1980-004 <br /> The following additional stipulations form an integral part of the foregoing permit: <br /> Stipulation No. Description <br /> 27 - Sediment removed from the sediment pond may be used as a topdressing or topsoil supplement <br /> pursuant to Rule 4.06.2(4)(a), upon submittal of chemical and physical analyses demonstrating that the <br /> material is equal to or more suitable for sustaining vegetation than available topsoil or other plant growth <br /> media. Such demonstration shall be based on a representative composite sample of the material obtained <br /> from each pond cleanout episode. Required parameters will include those listed in 4.06.2(4)(1), with the <br /> exception ofthictmess,depth,coarse fragments,and areal extent. Analyses for selenium, boron,nitrogen, <br /> and organic matter will be included in addition to those listed. Pond cleanout material will not be placed <br /> in the topsoil stockpile or used as final reclamation topdressing prior to obtaining written approval from <br /> the Division. <br /> ACCEPTED AND AGREED: DIVISION OF RECLAMATION, MINING & <br /> SAFETY <br /> COLORADO DEPARTMENT OF <br /> NATURAL RESOURCES <br /> sy - ,.�--.e -• .�, <br /> Title Division Director <br /> Page a of 9 <br />