1910.1450(e)(3)(iii): Lab Fume Hoods Must Work Properly
The laboratory Chemical Hygiene Plan must include a requirement that fume hoods and other protective equipment function properly, and specific measures to ensure proper and adequate performance of that equipment.
Key takeaways
- 1910.1450(e)(3)(iii) is part of OSHA's general industry standards (29 CFR Part 1910).
- OSHA cited it 15 times in the last 3 years, in 15 inspections, with $23,090 in current penalties.
- Most citations: CT (7), ME (2), GA (1).
- Related part: 1910.1450(e) Chemical hygiene plan—General (103 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.1450(e)(3)(iii) is one requirement inside 1910.1450 Occupational exposure to hazardous chemicals in laboratories, an OSHA general industry standard (Part 1910). 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
(iii) A requirement that fume hoods and other protective equipment are functioning properly and specific measures that shall be taken to ensure proper and adequate performance of such equipment; 15 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.1450.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 7 |
Top states: CT (7), ME (2), GA (1), NM (1), NY (1)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| VEOLIA NORTH AMERICA, INC. | ARKADELPHIA, AR | $6,913 |
| SOUTHERN INDUSTRIAL CHEMICALS, INC. | ATLANTA, GA | $5,531 |
| BLUEBONNET LABS | ALBUQUERQUE, NM | $4,663 |
| SAMPLETECH LABS LLC | ORLA, TX | $4,148 |
| RSU 64 | CORINTH, ME | $850 |
Free toolbox talk
A 5-minute crew talk on 1910.1450(e)(3)(iii), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.1450(e)(3)(iii).
Related parts of this rule
- 1910.1450(e) Chemical hygiene plan—General 103 citations
- 1910.1450(e)(1) 39 citations
- 1910.1450(e)(3) 38 citations
- 1910.1450(e)(4) 23 citations
- 1910.1450(e)(3)(vii) 3 citations
- 1910.1450(e)(2) 3 citations
- 1910.1450(e)(3)(viii)
Get your crew competent
Trainers on Black Belt Safety: Marc Harvey, Dana Reyes
Trainers and suppliers: feature your business on this rule for $25/month.
Frequently asked questions
What must the Chemical Hygiene Plan say about fume hoods?
It must require that fume hoods and other protective equipment function properly.
Must the plan describe how?
Yes. It must include specific measures to ensure proper and adequate performance of the equipment.
Does this cover equipment besides fume hoods?
Yes. It covers other protective equipment too.
About this page
Sources
- 29 CFR 1910.1450 (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.