OSHA · Free course
Respirable Crystalline Silica Awareness
How respirable crystalline silica dust from cutting, grinding, drilling, and crushing concrete, masonry, and stone damages your lungs — and how work is controlled…
OSHA
Respirable Crystalline Silica Awareness
What you’ll learn
By the end of this course.
Describe what respirable crystalline silica is and its serious health effects (silicosis, lung cancer, COPD, kidney disease) — 1926.1153(i)(2)
State the permissible exposure limit of 50 µg/m³ and the action level of 25 µg/m³, both as 8-hour time-weighted averages — 1926.1153(b),(d)(1)
Identify the construction tasks that generate respirable crystalline silica (sawing, grinding, drilling, chipping, crushing, and abrasive blasting) — 1926.1153(c) (Table 1)
Explain the Table 1 specified exposure control methods — water/wet methods, local exhaust ventilation, and respiratory protection — 1926.1153(c)
Describe the housekeeping limits on dry sweeping and compressed air — 1926.1153(f)
Describe the written exposure control plan and the role of the competent person — 1926.1153(g)
State when medical surveillance must be offered (respirator use 30 or more days a year) — 1926.1153(h)
References & standards
Grounded in the source material.
- 29 CFR 1926.1153 — Respirable Crystalline Silica (Construction)
- 1926.1153(c) — Table 1: Specified Exposure Control Methods
- 1926.1153(g) — Written Exposure Control Plan & competent person
- 1926.1153(h) — Medical surveillance
- 1926.1153(i) — Communication of hazards & employee training
- 1910.134 — Respiratory Protection
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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