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

September 8-9, 2021

Lander, WY Smoke School

Lecture Information

  • Held once per week on Monday or Tuesday
  • 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 8 & 9, 2021
  • 8:00 am Registration & 8:30 am Start
  • Wyoming DEQ Office
    Parking Lot
    510 Meadowview Drive
    Lander, WY 82520

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October 20-21, 2021

Cheyenne, WY Smoke School

Lecture Information

  • Held once per week on Monday or Tuesday
  • 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, October 20 & 21, 2021
  • 8:00 am Registration & 8:30 am Start
  • Cheyenne Frontier Days Old West Museum
    Lot C
    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.