# Directives
1 - National - CPL 02-00-087 [CPL 2.87] - Inspection Procedures for Enforcing the Excavation Standard, 29 CFR 1926, Subpart P
# Federal Register
1 - 80:25365-25526 - Confined Spaces in Construction; Final Rule - PDF
2 - 54:45894-45991 - Excavations; Construction; Trenching; Shoring; Sloping; Benching;Final Rule
3 - 53:5280-82 - Excavation
4 - 52:12288-339 - Excavation
# Regulations
1 - 1926.650 - Scope, application, and definitions applicable to this subpart.