BASIC INDVIDUAL OCCUPATIONAL REQUIREMENT (IOR) - GS-0018: A. Major study (Undergraduate and Graduate Education) -- 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; OR. ADDITIONAL REQUIREMENT: To qualify for the position (in addition to meeting the basic IOR requirement above), your resume must clearly describe specialized experience that demonstrates the particular knowledge, skills, and abilities as follows:GS-12: In order to qualify for the GS-12 grade level, your resume must demonstrate at least one year of full-time specialized experience equivalent in difficulty and complexity to at least the GS-11 grade level or pay band in the federal service or public sector.