Ala. Code § 25-5-200: Presumptions and Burden of Proof as to Right to Compensation.

There shall be no presumption that disablement or death from any cause or infirmity is the result of occupational exposure to radiation, nor that occupational exposure to radiation will result in disablement or death, and any person claiming compensation or other benefits under this article shall have the burden of establishing that he is entitled to such.