Standard Interpretations
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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.
- 1910.22 - Evaluating Hazardous Levels of Accumulation Depth for Combustible Dusts - 04/21/2015
- 1910.22 - Standard applicable to control of dust explosions in powdered milk production. - 03/12/1985
- 1910.22 - Wet floors due to weather conditions or the entry of vehicles containing melting snow. - 04/06/1994
- 1910.22(a)(1) - Evaluating Hazardous Levels of Accumulation Depth for Combustible Dusts - 04/21/2015
- 1910.22(a)(1) - Installation and use of doormats; adhering edges to concrete surfaces. - 06/09/2005
- 1910.22(a)(2) - Evaluating Hazardous Levels of Accumulation Depth for Combustible Dusts - 04/21/2015