Standard Interpretations(Archived) - Standard Number

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• Publication Date
• Standard #

Standard Number > 1926 > 1926.21

• 1926.21 - Confined space standard for general industry. - 10/08/1993
• 1926.21 - Confined space standard for general industry. - 09/23/1993
• 1926.21 - Heat Initiative: Inspection Guidance - [OSHA Act of 1970 - Section 5(a)(1)] - 09/01/2021
• 1926.21 - OSHA does not cross reference general industry and construction standards. - 01/27/1994
• 1926.21(b)(2) - OSHA training Standards Policy Statement. - 04/17/2007
• 1926.21(b)(2) - Re-qualification requirements for mobile crane operators engaged in construction work. - 11/21/2008

NOTICE: This is an OSHA Archive Document, and no longer represents OSHA Policy. It is presented here as historical content, for research and review purposes only. Return to current Interpretations.