Eastern Technical Associates provides public visible emissions certification programs in Charlotte, Hickory, Raleigh, and Wilmington. Choose a North Carolina 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.

August 15-16, 2023
Raleigh, NC Smoke School
Visible Emissions 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 Opacity Certification
- Tuesday & Wednesday, August 15 & 16, 2023
- 8:00 am Registration & 8:30 am Start
- North Carolina State Fairgrounds Lower Midway Area1025 Blue Ridge RoadRaleigh, NC 27607
- Please Note: There will be no Thursday field session
August 17, 2023
Charlotte, NC Smoke School
Visible Emissions 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 Opacity Certification
- Thursday, August 17, 2023
- 8:00 am Registration & 8:30 am Start
- Secure Turf
- 8320 Indian Trail Fairview Road
- Indian Trail, NC 28079
- Please Note: There will be no Wednesday field session
April 26-27, 2023
Hickory, NC 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, April 26 & 27, 2023
- 8:00 a.m. Registration & 8:30 a.m. Start
- Hickory Motor Speedway
3130 Highway 70 South East
Newton, NC 28658
May 3-4, 2023
Wilmington, NC 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, May 3 & 4, 2023
- 8:00 am Registration & 8:30 am Start
- Long Leaf Park
1799 South College Road
Wilmington, NC 28403
Contact Us Today To Learn More About NC Smoke School Programs
Eastern Technical Associates is the smoke school North Carolinians trust for method 9 opacity certification. Give us a call today at (919) 878-3188 to speak with a visible emissions expert.