Eastern Technical Associates provides public visible emissions certification programs in Cheyenne and Lander. Choose a Wyoming 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.


Wyoming smoke school

March 6-7, 2024

Lander, WY 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, March 6 & 7, 2024
  • 8:00 am Registration & 8:30 am Start
  • Wyoming DEQ Office
    Parking Lot
    510 Meadowview Drive
    Lander, WY 82520

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April 17-18, 2024

Cheyenne, WY 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 17 & 18, 2024
  • 8:00 am Registration & 8:30 am Start
  • Cheyenne Frontier Days
    Parking Lot C (next to Old West Museum)
    4610 Carey Avenue
    Cheyenne, WY 82001

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Contact Us Today To Learn More About WY Smoke School Programs

Eastern Technical Associates is the smoke school Wyomingites trust for Method 9 opacity certification. Give us a call today at (919) 878-3188 to speak with a visible emissions expert.