[Code of Federal Regulations]
[Title 10, Volume 1]
[Revised as of January 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR39.39]

[Page 629-630]
 
                            TITLE 10--ENERGY
 
                CHAPTER I--NUCLEAR REGULATORY COMMISSION
 
PART 39_LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
--Table of Contents
 
                           Subpart C_Equipment
 
Sec. 39.39  Records of material use.

    (a) Each licensee shall maintain records for each use of licensed 
material showing--
    (1) The make, model number, and a serial number or a description of 
each sealed source used;
    (2) In the case of unsealed licensed material used for subsurface 
tracer studies, the radionuclide and quantity of activity used in a 
particular well and the disposition of any unused tracer materials;

[[Page 630]]

    (3) The identity of the logging supervisor who is responsible for 
the licensed material and the identity of logging assistants present; 
and
    (4) The location and date of use of the licensed material.
    (b) The licensee shall make the records required by paragraph (a) of 
this section available for inspection by the Commission. The licensee 
shall retain the records for 3 years from the date of the recorded 
event.