Except as provided in Sec. 35.57, the licensee shall require the authorized user of a diagnostic sealed source for use in a device authorized under Sec. 35.500 to be a physician, dentist, or podiatrist who--
(a) Is certified by a specialty board whose certification process includes all of the requirements in paragraphs (b) and (c) of this section and whose certification has been recognized by the Commission or an Agreement State. (The names of board certifications which have been recognized by the Commission or an Agreement State will be posted on the NRC's Web page.); or
(b) Has completed 8 hours of classroom and laboratory training in basic radionuclide handling techniques specifically applicable to the use of the device. The training must include--
(1) Radiation physics and instrumentation;
(2) Radiation protection;
(3) Mathematics pertaining to the use and measurement of radioactivity; and
(4) Radiation biology; and
(c) Has completed training in the use of the device for the uses requested. [67 FR 20370, Apr. 24, 2002, as amended at 70 FR 16366, Mar. 30, 2005]