<html> <head> <title>Rule 74:27:19:06 Detection monitoring procedures.</title> <META NAME="Keywords" Content="Administrative Rules 74:27:19:06"> <META NAME="Description" Content="Administrative Rules 74:27:19:06 Detection monitoring procedures."> <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>74:27:19:06.&nbsp;&nbsp;Detection monitoring procedures.</b> Monitoring is required at all monitoring wells installed in conformance with §&nbsp;74:27:19:03. The owner or operator shall measure static groundwater elevation at each monitoring well to within 0.01 foot before each sampling event. Sampling procedures must comply with §&nbsp;74:54:01:06 except that field filtering is not allowed.</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 owner or operator shall notify the secretary within 14 calendar days after monitoring detects a statistically significant increase over ambient groundwater levels. If the owner or operator demonstrates according to 40 C.F.R. Part 258, as published on 56 Fed. Reg. 51,022 to 51,028, inclusive (October 9, 1991) that a source other than the facility caused the contamination, detection monitoring may continue. If the owner or operator cannot demonstrate that a source other than the facility caused the contamination, the owner or operator shall initiate an assessment monitoring program required by chapter 74:27:20 within 90 days.</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> 19 SDR 186, effective June 10, 1993.</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-6-1.6">34A-6-1.6.</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-6-1.6">34A-6-1.6</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-6-1.7">34A-6-1.7.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> </div> </body> </html>