CFR §170.305: The "Application Exclusion Zone" or AEZ is a new term used in the WPS rule and refers to the area surrounding the pesticide application equipment that must be free of all persons other than appropriately trained and equipped handlers during pesticide applications.
More detailed information is available here.
The following animations were approved by the US EPA, and demonstrate
how the AEZ moves with the application equipment. For more information,
see the Worker Protection Standard Application Exclusion Zone Requirements: Question and Answer Fact Sheet (PDF)
An AEZ in outdoor production, without neighboring fields or nearby workers
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An AEZ in outdoor production, with a neighboring field and workers
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An AEZ in outdoor production, with a neighboring field and workers
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Regulatory Guidance
Browse brief guides about protections for workers and handlers, the AEZ, posting, PPE, exemptions, training, respirators, and more, in English and Spanish.