OSHA Requirements
29 CFR 1910.178 - Powered Industrial Trucks
29 CFR 1910.307 - Application of Machinery in Hazardous Locations, Divisions and Zones
29 CFR 1910.399 - Criteria for Hazardous Locations, Divisions and Zones
29 CFR 1926.407 - Hazardous (Classified) Locations
SHIB 02-16-2010 - Certification of Workplace Products