SafetyQuestion 1297 of 1605
The permissible exposure limit (PEL) for respirable crystalline silica under the OSHA construction standard is:
a.50 micrograms per cubic meter of air as an 8-hour TWA
b.There is no PEL
c.5 milligrams per cubic meter
d.500 micrograms per cubic meter
Explanation
The silica PEL is 50 µg/m3 as an 8-hour time-weighted average, with an action level of 25 µg/m3. Exceeding these triggers additional controls and requirements.
Law Reference: 29 CFR 1926.1153(b)Practice all 1605 questions free — no signup required.
Related questions on this topic
- On a GHS label, which signal word indicates the MORE severe hazard?
- Cutting concrete, brick, or stone can release respirable crystalline silica. What is the primary control OSHA's silica standard emphasizes for construction tasks?
- OSHA's respirable crystalline silica standard for construction includes 'Table 1,' which:
- Under the silica standard, employers must also establish and implement a:
- Before renovation or demolition of an older building, the standard approach to potential asbestos-containing materials (ACM) is to:
- The permissible exposure limit for asbestos is 0.1 fiber per cubic centimeter as an 8-hour TWA. Work disturbing asbestos is organized into:
Last reviewed: · editorial process
Sen Lin, PrepPass Founder · Verified against California CSLB Contractor License Law & Business Exam · How we review
Reviewed by Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verify)