OSHA Standards:

Vehicle-mounted elevating and rotating work platforms. - 1910.67

Aerial lifts. - 1926.453

Scissor Lifts (Classified as mobile scaffolding) - 1926.452(w)

ANSI/SIA Standards:

ANSI/SIA A92.5 Boom-Supported Elevating Work Platforms

ANSI/SIA A92.6 Self-Propelled Elevating Work Platform (Includes Scissor type lifts)

ANSI/SIA A92.3 Manually Propelled Elevating Aerial Platforms

ANSI/SIA A92.2 Vehicle-Mounted Elevating and Rotating Aerial Devices (Includes Bucket Trucks and Trailer Mounted Booms)

ANSI/SIA standards are copyrighted, but are available for purchase at http://webstore.ansi.org/