« All Events This event has passed. Columbia County Pre-License Pesticide Training December 6, 2018 @ 8:00 am - 5:00 pm « Walla Walla Last Chance Pesticide Recertification Far West Business Association 2018 Winter Conference » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: December 6, 2018 Time: 8:00 am - 5:00 pm Venue Columbia County Fair Grounds N Pine St Dayton, 99328 United States + Google Map Phone: (509) 382-2534