Occupational Illness 4 : An illness or disease contracted through or aggravated by the performance of the duties, responsibilities, and functions of a fire department member
NFPA 1500 Standard on Fire Department Occupational Safety and Health Program, 2007 ed. https://law.resource.org/pub/us/code/ibr/nfpa.1500 .2007.pdf, (Std: Fr Dept Occupn Sfty and Hlth Prog - Amer) {399 NFC}