<html> <head> <title>Rule 74:56:05:21 On-site storage of contaminated soils.</title> <META NAME="Keywords" Content="Administrative Rules 74:56:05:21"> <META NAME="Description" Content="Administrative Rules 74:56:05:21 On-site storage of contaminated soils."> <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>74:56:05:21.&nbsp;&nbsp;On-site storage of contaminated soils.</b> The responsible person must dispose of all contaminated soils in accordance with article 74:27. If circumstances prohibit disposal within 72 hours after excavation, the responsible person must notify the department and store the contaminated soils on-site as follows:</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 responsible person must place all contaminated soils on a minimum 10-mil, single-layer or composite, synthetic membrane liner. The liner must be installed undamaged on a surface free of angular rocks, roots, and other materials that may damage the integrity of the liner;</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; (2)&nbsp;&nbsp;Once the liner has been installed the responsible person must dike the liner to prevent surface runoff and prevent movement of the liner;</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; (3)&nbsp;&nbsp;When stockpiling is completed, the responsible person must cover soils&nbsp; with a minimum 10-mil, single-layer or composite, flexible membrane material that is anchored to the dike.</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; If contaminated soils are not stored on a hardtop surface, the responsible person must collect one soil sample from beneath the synthetic membrane liner immediately after disposal and have it analyzed for the same constituents for which the stored soils were analyzed.</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; Contaminated soils may not be stored on-site for more than 30 days. The department may grant 30-day extensions if circumstances prohibit disposal. Trucking distance to a landfill is not an extendable circumstance unless the department is notified of actions being taken by the responsible person to arrange for alternative disposal, such as land farming, and the department is satisfied that a good faith effort is being made.</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; If contaminated soils are stored on-site for more than 30 days, the responsible person must inspect the flexible membrane material cover every 30 days and replace it, if necessary, with a new 10-mil flexible membrane material cover.</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> 17 SDR 37, effective September 12, 1990; transferred from §&nbsp;74:03:32:06, 22 SDR 86, effective December 18, 1995; transferred from §&nbsp;74:03:33:21, July 1, 1996.</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=34A-2-93">34A-2-93</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-99">34A-2-99</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-101">34A-2-101</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-12-7">34A-12-7.</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=34A-2-99">34A-2-99</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-101">34A-2-101</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-12-10">34A-12-10.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> </div> </body> </html>