Asbestos in construction 29 CFR 1926.1101
CHST written lesson, 12 min read. CHST Domain 1: Hazard and Risk Identification and Control
AI-drafted from the cited rules and fact-checked against them. Study aid, not site-specific safety advice. The official rule controls.
What you'll learn
- State the TWA permissible exposure limit and the excursion limit with their averaging times
- Distinguish Class I, II, III and IV asbestos work and match a task to its class
- Apply the 25 linear foot and 10 square foot trigger for Class I controls
- Identify which controls are required regardless of exposure and which are prohibited
- Recall the notification, monitoring, medical and recordkeeping deadlines
What this lesson covers
This lesson covers how the construction asbestos standard sorts work into four classes, sets two exposure limits, and ties controls, hygiene facilities and deadlines to the class. Candidates are tested on these thresholds and prohibitions, and the same rules guide the job.
This lesson is included with a pass
Written lessons come with every CHST pass, along with the video lessons, the question bank, mocks and the tutor. $80 per exam or $143 for all three, for 180 days.