OAR 340-264-0070: Open Burning Conditions

Pursuant to ORS 468A.570, 476.380, 477.520 and 478.960, the following open burning conditions apply: (1) Mandatory Prohibition Based on Adverse Air Quality Conditions: (a) DEQ will notify the State Fire Marshal that all open burning is prohibited in all or a specified part of the state when DEQ declares: (A) A particulate or sulfur dioxide alert pursuant to OAR 340-206-0030(2); (B) A particulate or sulfur dioxide warning pursuant to OAR 340-206-0030(3); or (C) An emergency for any air contaminant pursuant to OAR 340-206-0030(4). (b) All open burning is prohibited until DEQ notifies the State Fire Marshal that the episode and prohibition are terminated. (2) Discretionary Prohibition or Limitation Based on Meteorological Conditions: (a) DEQ may notify the State Fire Marshal that all or specified types of open burning are prohibited or limited in all or any specified parts of the state based on any one or more of the following criteria affecting that part of the state: (A) An air stagnation event as determined by DEQ; (B) The daily maximum ventilation index calculated by DEQ for Willamette Valley Open Burning Control Areas or Umpqua Basin Open Burning Control Area is less than 200; (C) The daily maximum ventilation index calculated by DEQ for the Rogue Basin Open Burning Control Area is less than 400 for all regulated open burning; (D) DEQ determines there is poor ventilation; (E) For regulation of burning of yard debris in urban areas, the amount of precipitation expected during the day; or (F) Any other relevant factor. (b) Such prohibitions or limits remain in effect until DEQ notifies the State Fire Marshal that the prohibition or limitation has been terminated; (c) In deciding whether to prohibit or limit open burning pursuant to this section, DEQ will consider: (A) The policy of the state set forth in ORS 468A.010; (B) The relevant criteria set forth in ORS 468A.025(2); (C) The extent and types of materials available to be burned; (D) In the case of Agricultural open burning, the recommendations received from any local agricultural smoke management organization; and (E) Any other relevant factor. (d) In deciding whether to prohibit or limit any open burning pursuant to this section DEQ must give first priority to the burning of perennial grass seed crop used for grass seed production, second priority for annual grass seed crop used for grass seed production, third priority to grain crop burning, and fourth priority to all other burning. (3) Unless prohibited or limited pursuant to section (1) or (2), open burning will be allowed only during daylight hours, and must be conducted consistent with the other rules in this division and the requirements and prohibitions of local jurisdiction and the State Fire Marshal. NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.