The Worker Protection Standard is intended to protect employees on farms, forests, nurseries, and greenhouses that are occupationally exposed to agricultural pesticides. The Worker Protection Standard is intended to protect employees on farms, forests, nurseries, and greenhouses that are occupationally exposed to agricultural pesticides. This is managed by the United States Environmental Protection Agency (EPA), and is separate from the Hazard Communication Standard managed by Occupational Safety and Health Administration (OSHA). The EPA registers pesticides and insecticides as either unclassified or restricted use pesticide (RUP). Unclassified pesticide is available over-the-counter. This program exists in cooperation with the United States Department of Agriculture.