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ANSI Z133 - 2026 Update
Did you know the ANSI Z-133 just got an update?
The Z133-2026 is now the most current edition of the ANSI Safety Safety and Health Requirements for Arboricultural Operations. This voluntary standard is accepted by the industry to govern safety operations for arboriculture. The previous edition of the Z133 was published in 2017 and remained in effect up until May 26th this year.
The Z133 committee revises the standard to ensure that business operators and tree workers have
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Jul 20th 2026