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

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.

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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
Our Response to COVID-19

ETA has cancelled all Smoke School field sessions through May 1st and our office is currently closed. If you need to contact us, please email us. For registration questions email Debbie. For billing questions, please email Sherri. We will tentatively re-open on May 4th and resume all field sessions in…...

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March 31, 2020