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.
- 1926.150 - Portable firefighting equipment. - 04/19/1993
- 1926.150 - The size of fire extinguisher for construction equipment. - 05/26/1995
- 1926.150(c) - Portable extinguisher requirements and standpipe requirements in construction. - 09/18/1975
- 1926.150(c)(1)(ix) - Soda acid and inverted foam extinguishers are not approved portable refighting equipment. - 07/12/2000
- 1926.150(c)(1)(x) - Soda acid and inverted foam extinguishers are not approved portable refighting equipment. - 07/12/2000