Letters of Interpretation

OSHA requirements are set by statute, standards, and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Each letter constitutes OSHA's interpretation of the requirements discussed.

Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information.

These letters of interpretation and the standards they address may not apply to OSHA State Plans. State Plans are required to have standards and enforcement programs that are at least as effective as OSHA's and may have different or additional requirements. Please see OSHA-approved State Plans for more information.

NOTICE:

How to Request a Letter of Interpretation

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Date Title Standard Number
Use of X-Pac as an explosion suppression system 1910.272
The type and quantity of rescue equipment that is required and whether a provision for outside rescue teams can be used in conjunction with an in-house rescue plan. 1910.272
Enforcement Guidance - 29 CFR 1910.272(i)(2) - Standard for Grain Handling Facilities 1910.272(i)(2)
Temperature control devices for use in the grain elevator industry. 1910.272
Grain Handling Standard, analytical requirements for percentage of fugitive dust and % combustible dust. 1910.272
Small town grain elevators. 1910.272
Recent grain elevator explosions in Galveston and New Orleans. 1910.272
Grain elevator explosions. 1910.272
The recent grain elevator explosions. 1910.272
Grain elevator explosions. 1910.272
Fire and explosions in grain elevators. 1910.272
Grain elevator explosions. 1910.272
Grain dust explosions. 1910.272
Grain elevator explosions can be prevented by the elimination of the present dust producing equipment. 1910.272
The explosions that have been occuring in the grain elevators. 1910.272
Grain elevator explosions and fires which occurred on Gulf Coast. 1910.272
The grain elevator explosion in New Orleans. 1910.272
Grain elevator explosions and fires. 1910.272
Grain elevator explosions. 1910.272
Grain elevator explosions over the past five years. 1910.272