OSHA · Free course
Health Hazards & Industrial Hygiene Awareness
How construction work exposes you to health hazards you often can't see or smell — and how they're controlled: the industrial-hygiene framework and…
OSHA
Health Hazards & Industrial Hygiene Awareness
What you’ll learn
By the end of this course.
Describe the routes of entry (inhalation, absorption, ingestion, injection), the difference between acute and chronic health effects, and what a permissible exposure limit (PEL) and action level mean — 1926.55
Identify the forms of airborne contaminants (dusts, fumes, mists, vapors, gases) and the role of ventilation as an engineering control — 1926.55, 1926.57
State the respirable crystalline silica PEL and action level and the purpose of Table 1 and the written exposure control plan — 1926.1153
Recognize lead, chromium VI, and other toxic-metal hazards in construction and the lead PEL and action level — 1926.62, 1926.1126
Describe asbestos hazards, the airborne limits, and why only trained workers under a competent person disturb asbestos-containing materials — 1926.1101
Explain occupational noise exposure limits and the hierarchy of controls, and apply your role: use controls, report hazards, and never dry-sweep or use compressed air on toxic dust — 1926.52
References & standards
Grounded in the source material.
- 29 CFR 1926 Subpart D — Occupational Health and Environmental Controls
- 1926.55 — Gases, vapors, fumes, dusts, and mists
- 1926.52 — Occupational noise exposure
- 1926.62 — Lead
- 1926.1101 — Asbestos
- 1926.1153 — Respirable crystalline silica
- 29 CFR 1926 Subpart Z — Toxic and Hazardous Substances
This is awareness training. It supports your program; it is not a substitute for site-specific procedures or hands-on competency where a standard requires it.
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EHSTEC LMS Lite is free for employers to assign — 100 safety courses, no cost. Paid plans add certificates, reporting and proof of completion.