<html> <head> <title>Rule 74:51:01:21 Variances from radioactive concentration criteria.</title> <META NAME="Keywords" Content="Administrative Rules 74:51:01:21"> <META NAME="Description" Content="Administrative Rules 74:51:01:21 Variances from radioactive concentration criteria."> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=Generator content="Microsoft Word 15 (filtered)"> <style> <!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Times; panose-1:2 2 6 3 5 4 5 2 3 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; font-size:10.0pt; font-family:"Times",serif;} a:link, span.MsoHyperlink {color:blue; text-decoration:underline;} .MsoChpDefault {font-size:10.0pt;} @page WordSection1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in;} div.WordSection1 {page:WordSection1;} --> </style> </head> <body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'> <div class=WordSection1> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>74:51:01:21.&nbsp;&nbsp;Variances from radioactive concentration criteria.</b> Variances from concentration limits specified in &#167;&#167;&nbsp;74:51:01:14 </span><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>through</span><span style='font-size:12.0pt; font-family:"Times New Roman",serif'> 74:51:01:19, inclusive, are permitted only if there is a natural, uncontrollable contributing source or sources of radionuclides</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>;</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'> the best available treatment is provided for all man-made discharges</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>;</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'> and the concentration of radionuclides to which humans could be exposed is within the dose limits established in pages 24 to 91, inclusive, of Handbook 69.</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Source:</b> SL 1975, ch 16, &#167;&nbsp;1; transferred from &#167;&nbsp;34:04:02:24, effective July 1, 1979; 10 SDR 145, effective July 4, 1984; 13 SDR 129, 13 SDR 141, effective July 1, 1987; 14 SDR 86, effective December 24, 1987; transferred from &#167;&nbsp;74:03:02:24, July 1, 1996; 31 SDR 29, effective September 13, 2004</span><span style='font-size: 12.0pt;font-family:"Times New Roman",serif'>; 47 SDR 110, effective April 27, 2021</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>.</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&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></span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Law Implemented:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-10">34A-2-10</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-11">34A-2-11.</A></span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Reference:</b> <b>Handbook 69, Maximum Permissible Body Burdens and Maximum Permissible Concentrations of Radionuclides in Air and in Water for Occupational Exposure</b>, issued June 5, 1959, amended August 1963, AFP 160-6-7, 101 pages, is published by the U.S. Department of Commerce, National Bureau of Standards. This document is available from the Hilton M. Briggs Library, South Dakota State University, Brookings, SD 57007-1098. The Call Number for this document is C13.11:6</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>9</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>. The document may be borrowed from the library </span><span style='font-size:12.0pt;font-family: "Times New Roman",serif'>or</span><span style='font-size:12.0pt;font-family: "Times New Roman",serif'> copied</span><span style='font-size:12.0pt; font-family:"Times New Roman",serif'> at</span><span style='font-size:12.0pt; font-family:"Times New Roman",serif'> the library at $0.0</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>5</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'> per page.</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif'> The document can be scanned for free. It is also available at </span><a href="https://www.osti.gov/etdeweb/servlets/purl/20738430"><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>https://www.osti.gov/etdeweb/servlets/purl/20738430</span></a><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>.</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt; font-family:"Times New Roman",serif'>&nbsp;</span></p> </div> </body> </html>