Eastern Technical Associates provides public visible emissions certification programs in Cincinnati, Akron and Columbus. Choose an Ohio smoke school location below to learn more about class and field locations, lecture information, fees, and agenda.
ETA’s comprehensive Method 9 classroom lecture is also available in online format. Attendees can access web-based training and participate in the session from the convenience of their office or home.

September 6-7, 2023
Cincinnati, OH Smoke School
Lecture Information
- Held once per week on Mondays
EXCEPTION: Our webinar will be held on Tues Sept 5 due to the Labor Day Holiday on Monday - Start time: 9:00 am EST/ 8:00 am CT/ 7:00 am MT/ 6:00 am PT
- Held virtually via live webinar using Go To Meeting
- Lecture will be a separate registration from the field. To register for a lecture, visit our lecture webinar page
Field Information
- Wednesday & Thursday, September 6 & 7, 2023
- 8:00 am Registration & 8:30 am Start
- Winton Woods Park
Owl Overlook Shelter10245 Winton RoadCincinnati, OH 45231
September 12, 2023
Columbus, OH Smoke School
Lecture Information
- Held once per week on Mondays
- Start time: 9:00 am EST/ 8:00 am CT/ 7:00 am MT/ 6:00 am PT
- Held virtually via live webinar using Go To Meeting
- Lecture will be a separate registration from the field. To register for a lecture, visit our lecture webinar page
Field Information
- Tuesday, September 12, 2023
- 8:00 am Registration & 8:30 am Start
- Lou Berliner Park
325 Greenlawn Ave (off I-77)
Columbus, OH 43232 - Please Note: There will be no Wednesday or Thursday field sessions
September 13-14, 2023
Akron, OH Smoke School
Lecture Information
- Held once per week on Mondays
- Start time: 9:00 am EST/ 8:00 am CT/ 7:00 am MT/ 6:00 am PT
- Held virtually via live webinar using Go To Meeting
- Lecture will be a separate registration from the field. To register for a lecture, visit our lecture webinar page
Field Information
- Wednesday & Thursday, September 13 & 14, 2023
- 8:00 am Registration & 8:30 am Start
- Portage Lakes State Park
5031 Manchester RoadAkron, OH 44319
Contact Us Today To Learn More About OH Smoke School Programs
Eastern Technical Associates is the smoke school in Ohio that is trusted for method 9 opacity certification. Give us a call today at (919) 878-3188 to speak with a visible emissions expert.