American Board of Industrial Hygiene (ABIH)

ISSM is the #1 provider of exam preparation for ABIH exams

The World's Largest Industrial Hygiene Certification Body

The purpose of The American Board of Industrial Hygiene (ABIH) is for the administration of the Certified Industrial Hygienist (CIH) credential. This certification is a way to objectively assess and measure the knowledge, understanding and expertise of professional practitioners involved in industrial hygiene.

ABIH's Mission

The American Board of Industrial Hygiene (ABIH) serves its credentialed practitioners by establishing and administering a valid, reliable, and rigorous credentialing process to protect the public and meet the needs of employers.

Why should you get certified?

The benefits of attaining CIH certification are multi-faceted, and applicants may pursue voluntary certification for a variety of different reasons, including personal reasons such as personal satisfaction, or professional reasons like job advancement.

ABIH's certification process has, through the continued demonstrable success of its Diplomates, attained a brand recognition that gives a CIH a competitive professional edge over individuals without a certification.


Professional Benefits

  • Peer recognition and job satisfaction.
  • Job placement, promotion, and higher salaries.

Nationally & Internationally Accredited

The CIH program, administered by ABIH, has been accredited by ANSI to ISO 17024, and is a recognized certification scheme by the International Occupational Hygiene Association/IOHA. This means that ABIH’s certifications are acknowledged as the mark of professionals, giving certified individuals instant name brand recognition and professional credibility throughout the world.

Courses for ABIH exams

Examination Preparation Course

This self-paced interactive course will prepare you for the technical aspects of the American Board of Industrial Hygiene (ABIH) CIH certification examination, which includes Industrial Noise Control, Radiation, Ventilation, General Sciences and Statistics, and Heat Stress.