Certified Industrial Hygiene Professional (CIHP)

Our verdict: worth it — as long as the Teaching & Academics skills on the syllabus match what you actually want to learn. The regular price for Certified Industrial Hygiene Professional (CIHP) on Udemy is $149.99. With the coupon code on this page, that falls to $9.99 — a saving of $140.00, or 93% off the standard rate Spread across 45h 30m of on-demand video, that works out to roughly $0.22 per hour of content — cheaper than a single chapter of most printed Teaching & Academics textbooks.

A cheap price means nothing if the material is thin — here the syllabus is organized around usable outcomes. ACCREVIA International walks you through understand industrial hygiene foundations, ethics, regulations, hazard types, information resources, and the full exposure risk management process, explain lung anatomy, breathing, respiratory defenses, particle deposition, pulmonary impairment, and key pulmonary function tests, and understand skin structure, functions, exposure pathways, occupational dermatoses, diagnosis, compensation, prevention, and control — skills meant to be used, not just watched. It has already been taken by 421 students and holds a 4.4-star average from verified reviews, which suggests the content holds up once learners actually apply it.

Check the prerequisites before you commit: Participants should have a basic understanding of workplace operations, safety, or technical environments, proficiency in English, and a strong interest in occupational health, exposure assessment, hazard recognition, monitoring, ventilation, control methods, and protecting workers from chemical, physical, biological, and ergonomic hazards. Prior experience in industrial hygiene is helpful but not essential.. Best suited to learners who already have footing in Teaching & Academics. Plan for roughly 45h 30m of on-demand video at your own pace. Lessons are delivered in English.