[Code of Federal Regulations]
[Title 10, Volume 1]
[Revised as of January 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR35.57]

[Page 565]
 
                            TITLE 10--ENERGY
 
                CHAPTER I--NUCLEAR REGULATORY COMMISSION
 
PART 35--MEDICAL USE OF BYPRODUCT MATERIAL--Table of Contents
 
                Subpart C--General Technical Requirements
 
Sec. 35.57  Authorization for calibration and reference sources.

    Any person authorized by Sec. 35.11 of this part for medical use of 
byproduct material may receive, possess, and use the following byproduct 
material for check, calibration, and reference use:
    (a) Sealed sources manufactured and distributed by a person licensed 
pursuant to Sec. 32.74 of this chapter or equivalent Agreement State 
regulations and that do not exceed 15 millicuries each;
    (b) Any byproduct material listed in Secs. 35.100 or 35.200 with a 
half-life not longer than 100 days in individual amounts not to exceed 
15 millicuries;
    (c) Any byproduct material listed in Secs. 35.100 or 35.200 with a 
half-life longer than 100 days in individual amounts not to exceed 200 
microcuries each; and
    (d) Technetium-99m in individual amounts not to exceed 50 
millicuries.