1910.120(e)(3): HAZWOPER Initial Training Hours
Employers must give general site workers exposed to hazardous substances at least 40 hours of off-site instruction and three days of supervised field experience. Occasional workers and regular workers in fully characterized low-exposure areas need at least 24 hours and one day, and they need the extra 16 hours and two days if they become general site workers or must wear respirators.
Key takeaways
- 1910.120(e)(3) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart H).
- OSHA cited it 10 times in the last 3 years, in 2 inspections, with $1,655,140 in current penalties.
- Most citations: TX (10).
- Related part: 1910.120(e) Training (12 citations).
- Free 5-minute toolbox talk for your crew below.
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In this article
What this rule covers
29 CFR 1910.120(e)(3) ("Initial training") is one requirement inside 1910.120 Hazardous waste operations and emergency response, an OSHA general industry standard (Part 1910, Subpart H). It includes 4 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
(3) Initial training. 10 citations
(i) General site workers (such as equipment operators, general laborers and supervisory personnel) engaged in hazardous substance removal or other activities which expose or potentially expose workers to hazardous substances and health hazards shall receive a minimum of 40 hours of instruction off the site, and a minimum of three days actual field experience under the direct supervision of a trained, experienced supervisor. Open (e)(3)(i) 10 citations
(ii) Workers on site only occasionally for a specific limited task (such as, but not limited to, ground water monitoring, land surveying, or geo-physical surveying) and who are unlikely to be exposed over permissible exposure limits and published exposure limits shall receive a minimum of 24 hours of instruction off the site, and the minimum of one day actual field experience under the direct supervision of a trained, experienced supervisor. Open (e)(3)(ii)
(iii) Workers regularly on site who work in areas which have been monitored and fully characterized indicating that exposures are under permissible exposure limits and published exposure limits where respirators are not necessary, and the characterization indicates that there are no health hazards or the possibility of an emergency developing, shall receive a minimum of 24 hours of instruction off the site and the minimum of one day actual field experience under the direct supervision of a trained, experienced supervisor.
(iv) Workers with 24 hours of training who are covered by paragraphs (e)(3)(ii) and (e)(3)(iii) of this section, and who become general site workers or who are required to wear respirators, shall have the additional 16 hours and two days of training necessary to total the training specified in paragraph (e)(3)(i).
Source: eCFR, text current as of 2026-10-15. Read all of 1910.120.
Export the list: 2 inspections cited 1910.120(e)(3) in the last 3 years, with employer, location, penalty and date.
Purple Belt, $59/moWhere and how often it was cited
| Year | Citations |
|---|---|
| 2026 | 10 |
Top states: TX (10)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| ONE WAY ENVIRONMENTAL SERVICES LLC | HOUSTON, TX | $1,489,626 |
| COASTAL ENVIRONMENTAL SOLUTIONS, INC | HOUSTON, TX | $165,514 |
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A 5-minute crew talk on 1910.120(e)(3), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.120(e)(3).
Related parts of this rule
- 1910.120(e) Training 12 citations
- 1910.120(e)(3)(i) 10 citations
- 1910.120(e)(8) Refresher training 1 citations
- 1910.120(e)(1) General 1 citations
- 1910.120(e)(6) Training certification
- 1910.120(e)(9) Equivalent training
- 1910.120(e)(5) Qualifications for trainers
- 1910.120(e)(4) Management and supervisor training
- 1910.120(e)(3)(ii)
- 1910.120(e)(2)(i)
- 1910.120(e)(2) Elements to be covered
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Frequently asked questions
How much training do general site workers need?
A minimum of 40 hours off site and three days of field experience under a trained, experienced supervisor.
What about occasional workers?
A minimum of 24 hours off site and one day of supervised field experience, if unlikely to be exposed over limits.
What if a 24-hour worker becomes a general site worker?
They need the additional 16 hours and two days of training.
About this page
Sources
- 29 CFR 1910.120 (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.