[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: 10CFR39.65]

[Page 609]
 
                            TITLE 10--ENERGY
 
                CHAPTER I--NUCLEAR REGULATORY COMMISSION
 
PART 39--LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING--Table of Contents
 
                Subpart D--Radiation Safety Requirements
 
Sec. 39.65  Personnel monitoring.

    (a) The licensee may not permit an individual to act as a logging 
supervisor or logging assistant unless that person wears, at all times 
during the handling of licensed radioactive materials, either a film 
badge or a thermoluminescent dosimeter (TLD), Each film badge or TLD 
must be assigned to and worn by only one individual. Film badges must be 
replaced at least monthly and TLDs replaced at least quarterly. After 
replacement, each film badge or TLD must be promptly processed.
    (b) The licensee shall provide bioassay services to individuals 
using licensed materials in subsurface tracer studies if required by the 
license.
    (c) The licensee shall retain records of film badge, TLD and 
bioassay results for inspection until the Commission authorizes 
disposition of the records.

    Effective Date Note: At 65 FR 63752, Oct. 24, 2000, Sec. 39.65 was 
amended by revising paragraphs (a) and (c), effective Jan. 8, 2001. For 
the convenience of the user, the revised text is set forth as follows:

Sec. 39.65  Personnel monitoring.

    (a) The licensee may not permit an individual to act as a logging 
supervisor or logging assistant unless that person wears, at all times 
during the handling of licensed radioactive materials, a personnel 
dosimeter that is processed and evaluated by an accredited National 
Voluntary Laboratory Accreditation Program (NVLAP) processor. Each 
personnel dosimeter must be assigned to and worn by only one individual. 
Film badges must be replaced at least monthly and other personnel 
dosimeters replaced at least quarterly. After replacement, each 
personnel dosimeter must be promptly processed.

                                * * * * *

    (c) The licensee shall retain records of personnel dosimeters 
required by paragraph (a) of this section and bioassay results for 
inspection until the Commission authorizes disposition of the records.