Oregon Revised Statutes Public Health and Safety § 468A.550

(1) “Field burning” and “open field burning” do not include:

(2) “Research and development of alternatives to field burning” includes, but is not limited to, projects concerned with cultural practices for producing grass seed without field burning, environmental impacts of alternative seed production methods, straw marketing and utilization and alternative crops.

(3) “Smoke management” means the daily control of the conducting of open field burning to such times and places and in such amounts so as to provide for the escape of smoke and particulate matter therefrom into the atmosphere with minimal intrusion into cities and minimal impact on public health and in such a manner that under existing meteorological conditions a maximum number of acres registered can be burned in a minimum number of days without substantial impairment of air quality.

(4) “Smoke management program” means a plan or system for smoke management. A smoke management program shall include, but not be limited to, provisions for: