<html> <head> <title>Rule 74:02:04:43 Thermoplastic casing requirements.</title> <META NAME="Keywords" Content="Administrative Rules 74:02:04:43"> <META NAME="Description" Content="Administrative Rules 74:02:04:43 Thermoplastic casing requirements."> <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>74:02:04:43.&nbsp;&nbsp;Thermoplastic casing requirements.</b> All thermoplastic casing used for water well casing must meet or exceed ASTM Standard F</font> <font size=3 face="Times New Roman">480-90e and NSF Standard 14 (1990). Thermoplastic well casing five inches in diameter or larger must have a minimum wall thickness of 0.250 inches.</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> 12 SDR 50, effective September 29, 1985; 13 SDR 129, 13 SDR 141, effective July&nbsp;1, 1987; 18 SDR 224, effective July 16, 1992.</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=46-2-5">46-2-5</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=46-6-20">46-6-20</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=46-6-27">46-6-27.</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=46-6-10">46-6-10</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=46-6-20">46-6-20</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=46-6-27">46-6-27.</A></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>References:</b> ASTM Standard F</font> <font size=3 face="Times New Roman">480-90e, &quot;Thermoplastic Water Well Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR),&quot; July 27, 1990. Published by American Society for Testing and Materials, September 1990. Copies may be obtained from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103. Cost: $12.</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; NSF Standard 14 (1990), &quot;Plastics, Piping Components and Related Materials.&quot;Published by the National Sanitation Foundation, November 1990. Copies may be obtained from the National Sanitation Foundation, P. O. Box 1468, Ann Arbor, Michigan 48106; Cost: $20.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> </div> </body> </html>