In agricultural settings, the Worker Protection Standard (WPS) lays out the requirements for protective equipment, restricted-entry times after pesticide applications, safety training and other elements to prevent poisoning and injury from pesticides. In every state except Oregon, these rules are enforced and monitored by the Pesticide Regulatory Agency.
Here are the Worker Protection Standard (WPS) contacts in your state:
In non-agricultural settings, your state OSHA office can help you with occupational safety topics.
Here are the Occupational Health and Safety contacts in your state: