# Regulations
1 - 1910.23(e)(2) - Ladders.
# Standard Interpretations
1 - 1910.23(e)(2) - Clarification of OSHA requirements pertaining to winding stairway systems.
2 - 1910.23(e)(2) - Conditions under which a stair railing can also serve as a handrail.
3 - 1910.23(e)(2) - Stair rail height must be between 30-34 inches.
4 - 1910.23(e)(2) - Clarification of apparent discrepancy in height requirements for stair and hand railings.