[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: 10CFR35.400] [Page 571] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 35--MEDICAL USE OF BYPRODUCT MATERIAL--Table of Contents Subpart G--Sources for Brachytherapy Sec. 35.400 Use of sources for brachytherapy. A licensee shall use the following sources in accordance with the manufacturer's radiation safety and handling instructions: (a) Cesium-137 as a sealed source in needles and applicator cells for topical, interstitial, and intracavitary treatment of cancer; (b) Cobalt-60 as a sealed source in needles and applicator cells for topical, interstitial, and intracavitary treatment of cancer; (c) Gold-198 as a sealed source in seeds for interstitial treatment of cancer; (d) Iridium-192 as seeds encased in nylon ribbon for interstitial treatment of cancer; (e) Strontium-90 as a sealed source in an applicator for treatment of superficial eye conditions; and (f) Iodine-125 as a sealed source in seeds for interstitial treatment of cancer. (g) Palladium-103 as a sealed source in seeds for interstitial treatment of cancer. [51 FR 36951, Oct. 16, 1986, as amended at 54 FR 41821, Oct. 12, 1989]