Smoke School & Method 9 Certification
The industry’s trusted source for visible emissions and opacity training and certification!
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40 Years and Counting
Eastern Technical Associates continues to be the world leader in Visible Emissions Observer Training programs and opacity consulting. ETA certifies more regulatory and private industry representatives than any other provider.
Learn MoreConsulting Services
Eastern Technical Associates is recognized as the authority in opacity consulting. Our experience and extensive knowledge of opacity issues allows us to provide a broad scope of services.
Learn MoreOnline Lecture
Join our knowledgeable instructors for the comprehensive Method 9 Smoke School lecture from the convenience of your office or home! Our Live, web-based training classes are offered every month.
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COVID-19 Protocol at Smoke Schools
The health and safety of our employees and customers is our number one priority. In response to the COVID-19 crisis, ETA will be implementing specific CDC safety protocols at all of our field certification sessions. The following will be implemented: ETA Safety On-site All of our classroom sessions will be…...
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