OSHA has cited 29 CFR 1910.111 39 times since 2015, against 33 employers. Penalties on these items add up to $134,164 at their current amounts.
Citations per year
The parts of the rule cited most
1910.111(b)(10)(ii) · 11 citations
(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.
1910.111(b)(10)(iii) · 3 citations
(iii) Stationary storage installations shall have an easily accessible shower or a 50-gallon drum of water.
1910.111(c)(7) · 3 citations
(7) Damage from vehicles. Precaution shall be taken against damage to ammonia systems from vehicles.
1910.111(b)(3)(i) · 2 citations
(3) Marking nonrefrigerated containers. (i) System nameplates, when required, shall be permanently attached to the system so as to be readily accessible for inspection and shall include markings as prescribed in subdivision (ii) of this subparagraph.
1910.111(b)(9)(ix) · 2 citations
(ix) A hydrostatic relief valve shall be installed between each pair of valves in the liquid ammonia piping or hose where liquid may be trapped so as to relieve into the atmosphere at a safe location.
1910.111(c)(6)(i) · 2 citations
(6) Protection of appurtenances. (i) Valves, regulating, gaging, and other appurtenances shall be protected against tampering and physical damage. Such appurtenances shall also be protected during transit of containers.
1910.111(f)(6)(iv) · 2 citations
(iv) Valve functions shall be clearly and legibly identified by metal tags or nameplates permanently affixed to each valve.
1910.111(b)(11)(ii) · 1 citations
(ii) Aboveground uninsulated containers may be charged 87.5 percent by volume provided the temperature of the anhydrous ammonia being charged is determined to be not lower than 30 °F. or provided the charging of the container is stopped at the first indication of frost or ice formation on its outside surface and is not resumed until such frost or ice has disappeared.
Industries cited most
- Manufacturing 19
- Wholesale Trade 14
- Agriculture, Forestry, Fishing and Hunting 1
- Utilities 1
- Retail Trade 1
- Transportation and Warehousing 1
States cited most
Recently cited employers
- New Cooperative Bode, IA · Jun 29, 2026
- Morrow County Grain Growers Inc Irrigon, OR · Apr 6, 2026