To be eligible for consideration, you must first meet the Basic Education Requirement for this position: Degree: A bachelor's or graduate/higher level degree in industrial hygiene occupational health sciences, occupational and environmental health, toxicology, safety sciences, or related science; OR A bachelor's degree in a branch of engineering, physical science, or life science that included 12 semester hours in chemistry, including organic chemistry, and 18 additional semester hours of courses in any combination of chemistry, physics, engineering, health physics, environmental health, biostatistics, biology, physiology, toxicology, epidemiology, or industrial hygiene; OR Certification from the Board for Global EHS Credentialing (formerly American Board of Industrial Hygiene (ABIH)). Courses in the history or teaching of chemistry are not acceptable. Evaluation of Education: All science or engineering courses offered in fulfillment of the above requirements must be acceptable for credit toward the completion of a standard 4-year professional curriculum leading to a bachelor's degree in science or engineering at an accredited college or university. For engineering degrees to be acceptable, the curriculum must be in a school of engineering with at least one curriculum accredited by the ABET (Accreditation Board for Engineering and Technology) as a professional engineering curriculum. ADDITIONAL REQUIREMENT: In addition to meeting the Basic Education Qualification Requirements, applicants must have additional specialized experience as defined below: GS-12: Specialized Experience: One full year of specialized experience equivalent in responsibility and scope to the GS-11 level; or its non-Federal equivalent that included experience providing consultation and advice to an organization on occupational health hazards; and inspecting industrial workplaces, processes, or products for compliance with established safety and occupational health policies or standards. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. You must meet all Eligibility and Qualification requirements, including any selective placement factors if applicable, by 06/30/2026.