# Directives
1 - National - STD 01-01-009 [STD 1-1.9] - Cancellation of STD 01-01-009, December 29, 1978 - PDF
2 - National - STD 01-01-009 [STD 1-1.9] - 29 CFR 1910.27, Clarification of Fixed Ladders, Relative to Manhole (Rungs) Steps
# Regulations
1 - 1910.27(b)(1) - Scaffolds and rope descent systems.
# Standard Interpretations
1 - 1910.27(b)(1) - Fall protection requirements when a rope descent system is used with davit booms
2 - 1910.27(b)(1) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1))
3 - 1910.27(b)(1) - Round rungs on ladders
4 - 1910.27(b)(1) - Fall protection requirements when working from ladders in the telecommunications industry