1910.119(d)(3)(i): Process Safety Information on Equipment
Employers covered by process safety management must compile information on process equipment, including materials of construction, piping and instrument diagrams, electrical classification, relief system design, ventilation system design, design codes and standards, material and energy balances for processes built after May 26, 1992, and safety systems.
Key takeaways
- 1910.119(d)(3)(i) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart H).
- OSHA cited it 83 times in the last 3 years, in 57 inspections, with $631,806 in current penalties.
- Most citations: TX (11), WI (10), IL (7).
- Related part: 1910.119(d) Process safety information (190 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.119(d)(3)(i) is one requirement inside 1910.119 Process safety management of highly hazardous chemicals, an OSHA general industry standard (Part 1910, Subpart H). It includes 8 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
(i) Information pertaining to the equipment in the process shall include: 83 citations
(A) Materials of construction; 3 citations
(B) Piping and instrument diagrams (P&ID's); Open (d)(3)(i)(b) 30 citations
(C) Electrical classification; 5 citations
(D) Relief system design and design basis; Open (d)(3)(i)(d) 14 citations
(E) Ventilation system design; 8 citations
(F) Design codes and standards employed; 5 citations
(G) Material and energy balances for processes built after May 26, 1992; and,
(H) Safety systems (e.g. interlocks, detection or suppression systems). 8 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.119.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2024 | 30 |
| 2025 | 34 |
| 2026 | 19 |
Top states: TX (11), WI (10), IL (7), OH (7), PA (6)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| ACCURATE ENERGETIC SYSTEMS, LLC | MC EWEN, TN | $224,000 |
| AMERICAN NITRILE OPERATIONS, LLC. | GROVE CITY, OH | $35,466 |
| DELEK REFINING, LTD. | TYLER, TX | $30,000 |
| CUISINE SOLUTIONS INC. | STERLING, VA | $29,130 |
| ALDI INC. (WISCONSIN) | OAK CREEK, WI | $16,550 |
Free toolbox talk
A 5-minute crew talk on 1910.119(d)(3)(i), plus alerts when this rule changes. Free.
OSHA interpretation letters
- PSM compliance for ammonia refrigeration systems. (2006-07-12)
- Process safety information for ventilation system design. (2003-12-22)
Related parts of this rule
- 1910.119(d) Process safety information 190 citations
- 1910.119(d)(3) Information pertaining to the equipment in the process 135 citations
- 1910.119(d)(3)(ii) 48 citations
- 1910.119(d)(2) Information pertaining to the technology of the process 38 citations
- 1910.119(d)(2)(i) 36 citations
- 1910.119(d)(3)(i)(B) 30 citations
- 1910.119(d)(3)(i)(D) 14 citations
- 1910.119(d)(3)(iii) 2 citations
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 equipment information is required under 1910.119(d)(3)(i)?
Materials of construction, P&IDs, electrical classification, relief system design and basis, ventilation design, design codes and standards, material and energy balances, and safety systems.
When are material and energy balances required?
For processes built after May 26, 1992.
What counts as a safety system?
Examples in the rule include interlocks, detection or suppression systems.
About this page
Sources
- 29 CFR 1910.119 (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 2026-10-21
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.