<html> <head> <title>Rule 74:29:05:05 Reclamation of tailings impoundments.</title> <META NAME="Keywords" Content="Administrative Rules 74:29:05:05"> <META NAME="Description" Content="Administrative Rules 74:29:05:05 Reclamation of tailings impoundments."> <meta name=Generator content="Microsoft Office HTML Filter 2.0"> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=Originator content="Microsoft Word 10"> <style> <!-- --> </style> </head> <body lang=EN-US> <div> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>74:29:05:05.&nbsp;&nbsp;Reclamation of tailings impoundments.</b> The reclamation plan must address interim and final reclamation of any tailings impoundments.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Plans and specifications for all tailings impoundments must be certified by a registered professional engineer retained by the applicant. The engineer must be competent in the field of geotechnical analysis and impoundment design. The department's review of the plans and specifications must be performed by a registered professional engineer with the same qualifications. The plans and specifications must include a stability analysis of the impoundment.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Upon final reclamation, all tailings impoundments not designed for retention of fluids must be free draining. Drainage from such impoundments must not cause erosion, interfere with postclosure monitoring systems, cause water pollution, or limit access to the site.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The plan must address the proposed method of treatment of tailings. The plan must include the following:</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1)&nbsp;&nbsp;The treatment method proposed;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)&nbsp;&nbsp;Reasons for selection of the proposed treatment method over other possible treatment methods;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)&nbsp;&nbsp;Preliminary plans and specifications for facilities associated with tailings treatment;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (4)&nbsp;&nbsp;Storage of the proposed treatment reagents at the site;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (5)&nbsp;&nbsp;A plan of operation for the treatment; and</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (6)&nbsp;&nbsp;Plans for disposal of treatment solutions, if applicable.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In heap leach operations, the treated tailings must be used as backfill in the mine pits where compatible with the overall mine plan. If in-place tailings piles are approved by the board, physical reclamation must conform to the reclamation requirements for spoil in §</font> <font size=3 face="Times New Roman">74:29:07:14.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Source:</b> 14 SDR 111, effective March 3, 1988.</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>General Authority:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-81">45-6B-81.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Law Implemented:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-5">45-6B-5</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-44">45-6B-44</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=45-6B-45">45-6B-45.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> </div> </body> </html>