# Standard Interpretations
1 - 1910.23(c)(1) - Fall protection requirements when working from ladders in the telecommunications industry.
2 - 1910.23(c)(1) - Additional fall protection requirements for concrete trucks when work platforms are equipped with guardrails and toeboards.
3 - 1910.23(c)(1) - The acceptability of manhole entries through concentric cone or eccentric cone concrete pipe transition sections to underground workplaces.
4 - 1910.23(c)(1) - Guardrail and toeboard requirements for antenna platforms.
5 - 1910.23(c)(1) - A tie-off system is acceptable where a standard guardrails are not feasible