Certified Arborist Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

The safety standard for tree care operations in the United States is established by the Z133 standard. This standard, developed by the American National Standards Institute (ANSI), provides guidelines and practices for the safe arboricultural operations, including tree trimming, removal, and related activities. It addresses various aspects of tree care, such as worker safety, equipment use, and emergency preparedness.

By following the Z133 standard, tree care professionals are equipped with the safety protocols necessary to minimize risks and hazards associated with working on or near trees and power lines. It outlines specific requirements for training, personal protective equipment, and safe work practices, ensuring that both workers and the public remain protected during tree care operations. Other options mentioned do not represent established safety standards or are not directly related to tree care operations.