Lead in construction (29 CFR 1926.62)
CHST written lesson, 10 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 action level and the PEL and how each is measured
- Compute an 8-hour TWA and the reduced PEL for long shifts
- Match lead-disturbing tasks to the presumed-exposure tiers
- Set air monitoring frequency and notification from results
- Distinguish medical surveillance triggers from medical removal triggers
What this lesson covers
Lead on construction sites is controlled by two airborne numbers, a set of presumed-exposure tasks, a blood-lead program, and a handful of deadlines. This lesson shows how they fit together so you can answer exam questions and run a lead job correctly.
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.