29 CFR 1910.111 · Iowa · FY2025
Anhydrous Ammonia in Iowa: FY2025 OSHA citations
2 citation items under 29 CFR 1910.111 at inspected sites in Iowa, from 2 inspections.
From Oct 1, 2024 to Sep 30, 2025, the Department of Labor's OSHA enforcement data record 2 citation items under 29 CFR 1910.111 at inspected sites in Iowa, in 2 inspections. Among the 110 sections of 29 CFR parts 1904, 1910 and 1926 cited in Iowa that year (1,105 citation items in all), this one ranks 80th by items. These counts describe inspected establishments, not the whole industry.
Paragraphs of 29 CFR 1910.111 cited in Iowa
| Paragraph | Items | Share of the 2 |
|---|---|---|
| 1910.111(b)(10)(ii) | 1 | 50% |
| 1910.111(b)(12)(ii) | 1 | 50% |
“(ii) Stationary storage installations must have at least two suitable gas masks in readily-accessible locations. Full-face masks with ammonia canisters that have been approved by NIOSH under 42 CFR part 84 are suitable for emergency action involving most anhydrous ammonia leaks, particularly leaks that occur outdoors. For respiratory protection in concentrated ammonia atmospheres, a self-contained breathing apparatus is required.”
“(ii) The employer shall require the continuous presence of an attendant in the vicinity of the operation during such time as ammonia is being transferred.”
How the Iowa citations were classified
Of the 2 citation items: 0 serious, 0 willful, 0 repeat and 2 other-than-serious (0% serious).
Who was inspected in Iowa
100% of the 2 inspections with a recorded headcount were at sites with 1 to 10 employees. The headcount is the inspected site's, not the employer's total.
| 1 to 10 | 2 |
| Retail Trade | 1 |
| Manufacturing | 1 |
| Lawn and Garden Equipment and Supplies Retailers | 1 |
| Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing | 1 |
When the items were issued
By quarter of FY2025: Oct to Dec 2024: 0; Jan to Mar 2025: 0; Apr to Jun 2025: 1; Jul to Sep 2025: 1.
Who enforced in Iowa
Iowa has an OSHA-approved State Plan that ordinarily covers private-sector employers and state and local government workers. All 2 of the items were recorded by the State Plan's office. A State Plan may have standards of its own. The paragraphs on this page are the federal 29 CFR numbers recorded in OSHA's data, and this page does not say which Iowa rule applies to a given workplace. OSHA's page on the Iowa State Plan, with its coverage.
Iowa against the other states
Iowa ranks 1st of the 4 states with items under 29 CFR 1910.111 in this data. The most items: Iowa 2; Michigan 1; Louisiana 1; Illinois 1. In all, the data record 5 citation items under 29 CFR 1910.111; the 2 in Iowa are 40.0% of them. Penalty maximums: OSHA penalties in Iowa.
Next steps for a Iowa employer
- Federal text of the standard: 29 CFR 1910.111, Anhydrous Ammonia
- Free tool: Chemical Compatibility Matrix
- Free tool: Chemical Inventory Template
- Free tool: HazCom Program Generator
- Software: HazComFast EHS software
Counts by HazComFast from the Department of Labor's OSHA enforcement data, extracted Oct 13, 2026; deleted items left out, 29 CFR numbers only. They are not figures OSHA publishes for the state, and the live database can change them. Same data source and method as our HazCom enforcement study. Not legal advice.