1926.1101(c): Permissible exposure limits (PELS)
Key takeaways
- 1926.1101(c) is part of OSHA's construction standards (29 CFR Part 1926, Subpart Z).
- OSHA cited it 8 times in the last 3 years, in 7 inspections, with $9,564 in current penalties.
- Related part: 1926.1101(c)(1) Time-weighted average limit (TWA) (4 citations).
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In this article
What this rule covers
29 CFR 1926.1101(c) ("Permissible exposure limits (PELS)") is one requirement inside 1926.1101 Asbestos, an OSHA construction standard (Part 1926, Subpart Z). It includes 2 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(c) Permissible exposure limits (PELS) — 8 citations
(1) Time-weighted average limit (TWA). The employer shall ensure that no employee is exposed to an airborne concentration of asbestos in excess of 0.1 fiber per cubic centimeter of air as an eight (8) hour time-weighted average (TWA), as determined by the method prescribed in appendix A to this section, or by an equivalent method. Open (c)(1) 4 citations
(2) Excursion limit. The employer shall ensure that no employee is exposed to an airborne concentration of asbestos in excess of 1.0 fiber per cubic centimeter of air (1 f/cc) as averaged over a sampling period of thirty (30) minutes, as determined by the method prescribed in appendix A to this section, or by an equivalent method. 4 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.1101.
Export the list: 7 inspections cited 1926.1101(c) in the last 3 years, with employer, location, penalty and date.
Purple Belt, $59/moWhere and how often it was cited
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OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1926.1101(c).
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About this page
Sources
- 29 CFR 1926.1101 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-11-06
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.