Certain items containing byproduct material.

CFR · 2024-01-01 · US · Title 10

(a) Except for persons who apply byproduct material to, or persons who incorporate byproduct material into, the following products, or persons who initially transfer for sale or distribution the following products containing byproduct material, any person is exempt from the requirements for a license set forth in section 81 of the Act and from the regulations in parts 20 and 30 through 36 and 39 of this chapter to the extent that such person receives, possesses, uses, transfers, owns, or acquires the following products: (1) Timepieces or hands or dials containing not more than the following specified quantities of byproduct material and not exceeding the following specified levels of radiation: (i) 25 millicuries of tritium per timepiece, (ii) 5 millicuries of tritium per hand, (iii) 15 millicuries of tritium per dial (bezels when used shall be considered as part of the dial), (iv) 100 microcuries of promethium 147 per watch or 200 microcuries of promethium 147 per any other timepiece, (v) 20 microcuries of promethium 147 per watch hand or 40 microcuries of promethium 147 per other timepiece hand, (vi) 60 microcuries of promethium 147 per watch dial or 120 microcuries of promethium 147 per other timepiece dial (bezels when used shall be considered as part of the dial), (vii) The levels of radiation from hands and dials containing promethium 147 will not exceed, when measured through 50 milligrams per square centimeter of absorber: (A) For wrist watches, 0.1 millirad per hour

official document · source cfr-2024 · id 10:§ 30.15