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1 FREE COPY for orders over $500, use code ANSIZ133 at checkout
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:
This publication provides an essential guide for federal, state, and municipal authorities in drafting regulations. For more information visit isa-arbor.com/Z133.
(©2026, softcover, ten annexes, glossary, index, 104 pp.)
*Replaces 2017 revision.
Available for free download in Digital format.
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