Certified Occupational Industrial Hygiene Specialist Course

100% online, self-paced course format

Professional Credential: IASHEP-Certified Occupational Industrial Hygiene Specialist (COIHS)

(Note: Refresher certification is required every three years to maintain professional credential.)Recertification fee is $150

Non-discrimination Policy:

IASHEP is committed to maintaining a work and learning environment free of all forms of discrimination

Course Objectives:

The IASHEP Certified Occupational Industrial Hygiene Specialist  training course is a four day introduction to fundamental industrial hygiene principles. It is designed for industrial hygienists, occupational industrial hygienist technicians, safety professionals or others who may have industrial hygiene responsibilities.

Hands-on training is combined with classroom lectures to ensure that students understand how basic air contaminants, noise, ventilation, heat and illumination surveys are planned and measurements conducted. Students will then be able to conduct measurements, or better understand how to specify requirements for obtaining contractual industrial hygiene services.

Topics include:

  • History of Industrial Hygiene
  • Occupational Exposure Limits
  • Personal and Area Air Sampling
  • Statistical Considerations
  • Analytical Methods
  • Use of Direct-Read Instruments for Air Sampling
  • Noise Exposure Evaluation
  • Equipment Calibration
  • Local Exhaust Ventilation Testing and Troubleshooting
  • Heat Stress Evaluation
  • Illumination Evaluation


This course will be valuable for:

  • Safety, Health and Environmental Professionals,
  • Safety & Health Committee Members
  • Government Inspectors
  • Managers & Supervisors
  • General Industry and Construction Personnel
  • Construction Managers & Supervisors
  • Training Managers
    Industrial Hygienists
  • Environmental Professionals


Students completing the course must take a proctored final exam.  A score of 80% on the final exam is necessary to receive your personalized certificate of completion. The student gets three (3) attempts to pass the course.

After signing up for this course IASHEP will send you a link to the LMS class