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California Code of Regulations, Title 8, Section 1637. General ...
§1644. Metal Scaffolds. - California Department of Industrial Relations
Scaffolding Requirements - Safe At Work California
CAL OSHA - Rolls Scaffold
California Code of Regulations, Title 8, Section 3622. General.
1926.451 - Occupational Safety and Health Administration
California Scaffold Inspections & Testing (SIT) - Applied …