29 CFR 1910 · General Industry · Subpart J

1910.146(g)(4): Certifying Confined Space Training

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 20, 2026 3 min read

In plain words:

Employers must certify that required permit space training has been completed. The certification must list each employee's name, the trainers' signatures or initials, and the training dates, and be available for inspection by employees and their authorized representatives.

Key takeaways

  • 1910.146(g)(4) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
  • OSHA cited it 45 times in the last 3 years, in 45 inspections, with $68,700 in current penalties.
  • 5 deaths are linked to inspections that cited this rule.
  • Most citations: NJ (7), NY (6), MN (4).
  • Related part: 1910.146(g) Training (282 citations).
  • Free 5-minute toolbox talk for your crew below.
45citations, 3 years
$68,700current penalties
45inspections
5linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.146(g)(4) 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

(4) The employer shall certify that the training required by paragraphs (g)(1) through (g)(3) of this section has been accomplished. The certification shall contain each employee's name, the signatures or initials of the trainers, and the dates of training. The certification shall be available for inspection by employees and their authorized representatives. 45 citations

Source: eCFR, text current as of 2026-10-15. Read all of 1910.146.

Injuries linked to this rule

5 deaths are linked to inspections where OSHA cited 1910.146(g)(4).

Employee dies from asphyxiation when engulfed in aggregate h
2025-01-24 · Fatal · GREENFIELD, MA

At 8:50 a.m. on January 24, 2025, Employee #1 was working as a construction laborer for a concrete supplier attempted to remove a blockage in a material storage bin. The aggregate that was filling the hopper became clogged. The employee attempted to clear the blockage…

See all 5 cases

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Where and how often it was cited

YearCitations
20232
202415
202515
202613

Top states: NJ (7), NY (6), MN (4), VA (3), NC (2)

Largest penalties

EmployerLocationPenalty for this rule
CHICOPEE CONCRETE SERVICE, INCGREENFIELD, MA$11,585
107323 - WAYNE TRANSPORTS INCVIRGINIA, MN$11,200
HITACHI ENERGY USA, INC.CRYSTAL SPRINGS, MS$7,093
TOWNSHIP OF HILLSBOROUGH DEPARTMENT OF PUBLIC WORKSHILLSBOROUGH, NJ$6,300
HOPEWELL TOWNSHIP PUBLIC WORKSTITUSVILLE, NJ$4,900

Free toolbox talk

A 5-minute crew talk on 1910.146(g)(4), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.146(g)(4).

Related parts of this rule

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 training certification include?

Each employee's name, the signatures or initials of the trainers, and the dates of training.

Who can inspect the certification?

Employees and their authorized representatives.

Which training must be certified?

The training required by paragraphs (g)(1) through (g)(3) of 1910.146.

About this page

Sources

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.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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