In addition to the requirements in Rule 0400-20-05-.80, the licensee or registrant shall institute additional measures to ensure that an individual is not able to gain unauthorized or inadvertent access to areas in which radiation levels could be encountered at 500 rads (5 grays) or more in 1 hour at 1 meter from a source of radiation or any surface through which the radiation penetrates.
Tenn. Comp. R. & Regs. 0400-20-05-.81
Authority: T.C.A. §§ 68-202-201 et seq., and 4-5-201 et seq.