1910.119(d)(3)(i)(B): Piping and Instrument Diagrams for PSM
Under process safety management, the process safety information on the equipment in the process must include piping and instrument diagrams (P&IDs).
Key takeaways
- 1910.119(d)(3)(i)(B) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart H).
- OSHA cited it 30 times in the last 3 years, in 30 inspections, with $256,813 in current penalties.
- Most citations: TX (4), WI (3), NY (3).
- 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)(B) is one requirement inside 1910.119 Process safety management of highly hazardous chemicals, an OSHA general industry standard (Part 1910, Subpart H). 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
(B) Piping and instrument diagrams (P&ID's); 30 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 | 10 |
| 2025 | 14 |
| 2026 | 6 |
Top states: TX (4), WI (3), NY (3), PA (2), VA (2)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| ACCURATE ENERGETIC SYSTEMS, LLC | MC EWEN, TN | $70,000 |
| DELEK REFINING, LTD. | TYLER, TX | $30,000 |
| ALDI INC. (WISCONSIN) | OAK CREEK, WI | $16,550 |
| BLUE CUBE OPERATIONS LLC | FREEPORT, TX | $16,550 |
| FULLER INDUSTRIES, INC. | GREAT BEND, KS | $16,147 |
Free toolbox talk
A 5-minute crew talk on 1910.119(d)(3)(i)(B), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.119(d)(3)(i)(B).
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)(i) 83 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)(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 are P&IDs?
Piping and instrument diagrams that show the process piping and instruments.
Are P&IDs required under PSM?
Yes. They are part of the required process safety information on equipment.
Which standard is this?
1910.119, Process safety management of highly hazardous chemicals.
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.