How does your smoke school provider stack up against ETA?
Vendor comparison chart and 10 questions to ask

35 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.

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Consulting 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.

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Online 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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Recent News
Happy Independence Day!

Eastern Technical Associates' office will be closed Wednesday, July 4th-Friday, July 6th, 2018 in observance of the Independence Day Holiday. Our office will re-open on Monday, July 9th at 8:30am EST. Have a fun & safe holiday weekend!

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July 24-26