Oregon Revised Statutes Food and Other Commodities: Purity, Sanitation, Grades, Standards, Labels, Weights and Measures § 634.730

(a) If the labeling of a pesticide product specifies a reentry time, a pesticide may not be applied to an area of a campus where the school expects students to be present before expiration of that reentry time.

(b) If the labeling of a pesticide product does not specify a reentry time, a pesticide may not be applied to an area of a campus where the school expects students to be present before expiration of a reentry time that the integrated pest management plan coordinator determines to be appropriate based on the times at which students would normally be expected to be in the area, area ventilation and whether the area will be cleaned before students are present.

(2)(a) The application restrictions described in subsection (1) of this section do not apply if the pesticide is applied outdoors by a pesticide applicator or public applicator as a component of academic instruction in agriculture.

(b) The application restrictions described in subsection (1)(b) of this section do not apply if the integrated pest management plan coordinator declares a pest emergency under subsection (3) of this section.