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Digital ANSI Z133-2026: Safety and Health Requirements for Arboricultural Operations

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NEW REVISION!

The Z133 safety and health standard was developed for the arboriculture industry under the procedures of the American National Standards Institute. The 2026 revision provides the most current criteria in the United States for arborists and other workers engaged in arboricultural operations, and it details requirements for the following subject areas:

General Safety
Electrical Hazards
Vehicle and mobile equipment operations
Power tools
Hand tools and ladders
Climbing
Tree care operations
Vegetation Management and PHC
Palm work

This publication provides an essential guide for federal, state, and municipal authorities in drafting regulations. For more information visit isa-arbor.com/Z133.

*Replaces 2017 revision.

Available for purchase in Print format.

Also available in Spanish for free download in Digital format and for purchase in Print format.