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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
Welcome to ETA's new website

Eastern Technical Associates is proud to announce that our newly redesigned website has launched. Our new site was built by Raleigh web design and internet marketing company, TheeDesign, i...

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August2-4