Standard Interpretations(Archived) - Standard Number

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• Publication Date
• Standard #

Standard Number > 1910 > 1910.21

• 1910.21 - Additional fall protection requirements for concrete trucks when work platforms are equipped with guardrails and toeboards. - 12/16/2003
• 1910.21 - Portable ladders. - 04/02/1996
• 1910.21 - Protective devices for ladderway openings. - 01/15/1993
• 1910.21 - Walking surface platforms attached to a billboard. - 04/19/1977
• 1910.21(b) - Fall protection requirements when working from ladders in the telecommunications industry - 05/23/2005

NOTICE: This is an OSHA Archive Document, and no longer represents OSHA Policy. It is presented here as historical content, for research and review purposes only.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