Applicants must meet all qualifications and eligibility requirements by the closing date of the announcement including time-in-grade restrictions, specialized experience and/or education, as defined below. TIME-IN-GRADE: Current federal employees applying for a promotion opportunity must meet time-in-grade (TIG) requirement of 52 weeks of service at the next lower grade level in the normal line of progression for the position being filled. BASIC REQUIREMENT: The education must be accredited by an accrediting body recognized by the U.S. Department of Education at the time the degree was obtained. Applicants must meet one of the following requirements: 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. In addition to the basic requirement above, applicants must also meet the following: FOR THE GS-12 LEVEL: Applicants must have one year of specialized experience (equivalent to the GS-11 level) that may have been obtained in the private or public (local, county, state, Federal) sectors which demonstrates: Writing policies and procedures for a safety, industrial hygiene, occupational health, or respiratory protection program. Working with or managing investigations of safety and health incidents, complaints, or accidents. Participating in inspections or audits of facility safety, industrial hygiene, or occupational health programs. Supervising, leading, or coordinating project teams and directing work of others. Note: There is no education substitution for this grade level. TRANSCRIPTS are required if: This position requires specific coursework or a degree in a specific field to be basically qualified. This education must have been successfully completed and obtained from an accredited school, college, or university. 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 and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.