This position has an Individual Occupation Requirement (IOR): Basic Education Requirement: Undergraduate and Graduate Education: Major study - Safety and 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. The Department of Veterans Affairs performs pre-employment reference checks as an assessment method used in the hiring process to verify information provided by a candidate (e.g., on resume or during interview or hiring process); gain additional knowledge regarding a candidates abilities; and assist a hiring manager with making a final selection for a position.