Undergraduate or Graduate Education: Major study -- safety or occupational health fields (safety, occupational health, industrial hygiene), or degree in other related fields that included or was supplemented by at least 24 semester hours of study from among the following (or closely related) disciplines: safety, occupational health, industrial hygiene, occupational medicine, toxicology, public health, mathematics, physics, chemistry, biological sciences, engineering, and industrial psychology. Federal Career/Career-Conditional employees, current Federal VRA employees, Reinstatement eligible, 30% or More Disabled Veterans, Veterans Recruitment Appointment (VRA) eligibles, Veterans Employment Opportunities Act (VEOA) eligibles, Schedule A eligibles, Military Spouse Preference (MSP) eligibles, Peace Corps eligibles, ICTAP and other individuals eligible under Special Appointment Authorities.