StacksVerified U.S. regulatory reference

49 CFR §172.436

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Except for size and color, the RADIOACTIVE WHITE-I label must be as follows:
  2. (b)In addition to complying with § 172.407, the background on the RADIOACTIVE WHITE-I label must be white. The printing and symbol must be black, except for the “I” which must be red.