<html> <head> <title>Rule 74:04:12:06 Reliably and consistently less than the maximum contaminant level.</title> <META NAME="Keywords" Content="Administrative Rules 74:04:12:06"> <META NAME="Description" Content="Administrative Rules 74:04:12:06 Reliably and consistently less than the maximum contaminant level."> <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><b><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 74:04:12:06.&nbsp;&nbsp;Reliably and consistently less than the maximum contaminant level.</font></b><font size=3>&nbsp; For purposes of this chapter, the term, reliably and consistently less than the maximum contaminant level, means:</font></p> <p><font size=3 face=Times>&nbsp;</font></p> <p><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1)&nbsp;&nbsp;For VOCs, SOCs, and IOCs except nitrate and nitrite, the average of the initial sample and quarterly samples is less than the MCL;</font></p> <p><font size=3 face=Times>&nbsp;</font></p> <p><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)&nbsp;&nbsp;For nitrate, the average of four consecutive quarterly samples is less than 7.5 mg/L and no single sample exceeds 10 mg/L; or</font></p> <p><font size=3 face=Times>&nbsp;</font></p> <p><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)&nbsp;&nbsp;For nitrite, the average of four consecutive quarterly samples is less than 0.75 mg/L and no single sample exceeds 1 mg/L.</font></p> <p><font size=3 face=Times>&nbsp;</font></p> <p><b><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Source:</font></b><font size=3> 31 SDR 21, effective August 24, 2004. </font></p> <p><b><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; General Authority:</font></b><font size=3> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-3A-3">34A-3A-3.</A></font></p> <p><b><font size=3 face=Times>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Law Implemented:</font></b><font size=3> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-3A-3">34A-3A-3(2).</A></font></p> <p><font size=3 face=Times>&nbsp;</font></p> </div> </body> </html>