IIHA Membership is categorized into several categories. The categorization is based on current profession and background education. Types of IIHA membership are:
- Full Member | Anggota Penuh:
- Graduated from an accredited institution holding a baccalaureate degree in industrial hygiene, chemistry, physics, engineering, biology, or other discipline approved by written Board policy.
- She / He has been engaged a majority of time for at least three years in industrial hygiene or occupational and environmental health and safety activities as defined by the Board of Directors.
- The social sciences are not considered as qualifying sciences. Where an applicant does not have a qualifying baccalaureate degree, experience may be substituted on the basis of two years of qualifying experience for one year of undergraduate education.
- Full-time graduate study in one of the disciplines listed above may be accepted on an equivalent time basis for any portion of the required three years of experience.
- A Full member may serve on committees, vote, and be elected to the Board of Directors of the Association.
- Associate Member | Anggota Muda:
- Graduated from an accredited institution of higher learning, holding an associate degree in industrial hygiene, chemistry, physics, engineering, biology, or other discipline approved in writing by the Board.
- She / He is currently engaged a majority of time in industrial hygiene or occupational and environmental health and safety activities as defined in writing by the Board.
- Where an applicant does not have an acceptable degree, experience may be substituted on the basis of two years of qualifying experience for one year of undergraduate education.
- An Associate member may serve on committees and vote but may not be elected to the Board of Directors.
- Retired Member| Anggota Purnakarya:
- She / He is a Full or Associate member who is no longer actively employed in the practice of industrial hygiene or environmental health and safety.
- Retirement is defined as paid active practice less than ten percent (10%) of the time.
- A Retired member neither votes nor may be elected to the Board of Directors, but may serve on committees.
- Affiliate Member| Anggota Afiliatif:
- A person who is employed in an allied profession or has interest in or supports the industrial hygiene profession or other related professions.
- An Affiliate member may not vote on Association issues or be elected to the Board of Directors, but may serve on committees.
- Student Member | Anggota Mahasiswa:
- A full-time student at the college undergraduate or graduate level may become a Student member upon application and one-time submission of a statement from his/her faculty advisor confirming status as a full-time student.
- Additionally, an undergraduate or graduate student taking at least one-half the credit hours required for full-time undergraduate/ graduate student status may also become a student member upon application and one-time submission of a statement from his/her faculty advisor confirming the number of credit hours.
- Student members who qualify as part-time students may continue as student members for a maximum of eight years and graduate student members who qualify as part-time students may continue as student members for a maximum of two years.
- A student member may not vote or serve on the Board of Directors, but may serve as a non-voting member of a committee of IIHA.
