OAR 340-206-8040

Air pollution episode conditions due to Particulate which is primarily fallout from volcanic activity or windblown dust. Ambient Particulate control measures to be taken as appropriate in episode area.

Part A - ALERT Condition Actions

1.  Traffic reduction by voluntary route control in contaminated areas.

2.  Voluntary motor vehicle speed limits in dusty or fallout areas.

3.  Voluntary street sweeping.

4.  Voluntary wash down of traffic area

Part B - WARNING Condition Actions

1.  Continue and intensify alert procedures.

2.  Mandated speed limits and route control in contaminated areas.

3.  Mandate wash down of exposed horizontal surfaces where feasible.

4.  Request businesses to stagger work hours where possible as a means of avoiding heavy traffic.

Part C - EMERGENCY Condition Actions

1.  Continue warning level procedures, expanding applicable area if necessary.

2.  Prohibit all except emergency traffic on major roads and thoroughfares until the area has been cleaned.

3.  Other measures may be required at the discretion of the Governor.