Letters of Interpretation

Lapse in Appropriations

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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.

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

Date	Title	Standard Number
08/05/1997	Daily inspection of scaffolds.	1926.451
08/05/1997	A letter of determination of the new scaffold mandate.	1926.454
08/01/1997	Construction Asbestos Standard.	1926.1101
07/28/1997	Assistance with the powered industrial truck standard.	1910.178
07/28/1997	Cooperation in state or local criminal prosecution.
07/28/1997	Air exhaust requirements for spray finishing using flammable and combustible materials.	1910.107
07/15/1997	Powered platforms permanently dedicated for building maintenance standard.	1910.66
07/15/1997	Proper PPE for firefighters.	1910.120, 1910.156
07/15/1997	Vehicle-mounted elevating and rotating work platforms standard.	1910 - Table of Contents
07/10/1997	Safety and Health regulations over large dairy farms.	1910 - Table of Contents, 1910.111, 1910.142, 1910.145, 1910.266, 1910.1027, 1910.1200, 1910.1201, 1928 - Table of Contents
07/08/1997	Means of Egress.	1910 - Table of Contents
07/08/1997	Service workers in the heating, plumbing and air-conditioning industries.	1910 - Table of Contents, 1910.12, 1926.13
07/08/1997	Roll-over protective structures for agricultural wheeled tractors.	1928.51
07/07/1997	Petition for modification of OSHA's Methylene Chloride Standard	1910.1052
07/03/1997	OSHA's standard for exposure to bloodborne pathogens.	1910.1030
07/03/1997	OSHA's Methylene Chloride Standard	1910.1052
07/01/1997	NIOSH approved respirator during the period of an employee's escape from a chemical release of phosgene.	1910.134(d)(1)(ii)
06/30/1997	Sodium Azide as Used in the Manufacturing Process of Automobile Air Bags.	1910.109, 1910.119
06/27/1997	OSHA's Methylene Chloride Standard	1910.1052
06/27/1997	Hydrogen fuel that is contained in fuel storage cylinders.	1910.103

Lapse in Appropriations

Letters of Interpretation

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