Some areas in which safety professionals specialize include: Ergonomics, Industrial Hygiene, Occupational Safety and Health, and Safety Management. The Master of Science degree has a 36 semester credit-hour requirement. A thesis may be submitted which would require 32 credit hours of graduate coursework with no more than 6 credit-hours to be earned by the thesis. A final (written) comprehensive examination is administered to all candidates, thesis and non-thesis, by a committee of three members of the graduate faculty in the College of Information Technology and Engineering (CITE), including the student?s advisor. Comprehensive examinations will be administered during the spring and fall semesters.