1910.146(i)(1): Attendant Knows the Entry Hazards
Each permit space attendant must know the hazards that may be faced during entry. That includes how exposure happens, its signs or symptoms, and its consequences.
Key takeaways
- 1910.146(i)(1) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
- OSHA cited it 7 times in the last 3 years, in 7 inspections, with $16,550 in current penalties.
- 1 death is linked to inspections that cited this rule.
- Related part: 1910.146(i) Duties of attendants (24 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.146(i)(1) is one requirement inside 1910.146 Permit-required confined spaces, an OSHA general industry standard (Part 1910, Subpart J). 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
(1) Knows the hazards that may be faced during entry, including information on the mode, signs or symptoms, and consequences of the exposure; 7 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.146.
Injuries linked to this rule
1 death is linked to inspections where OSHA cited 1910.146(i)(1).
At approximately 9:34 a.m. on January 10, 2025, an employee was directed to enter a 23,737-gallon rail tank car containing residues of PCBs and transformer oil to obtain wipe samples of the interior surfaces. The rail tank car was a permit-required confined space. The employee…
Where and how often it was cited
Free toolbox talk
A 5-minute crew talk on 1910.146(i)(1), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.146(i)(1).
Related parts of this rule
- 1910.146(i) Duties of attendants 24 citations
- 1910.146(i)(6) 2 citations
- 1910.146(i)(6)(i) 1 citations
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Frequently asked questions
What must an attendant know?
The hazards that may be faced during entry, including the mode, signs or symptoms, and consequences of exposure.
Why does the attendant need to know symptoms?
So they can recognize when an entrant is being affected by a hazard.
Who does this paragraph apply to?
Attendants for permit-required confined spaces.
About this page
Sources
- 29 CFR 1910.146 (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 2026-10-20
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.