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.

Learn More

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.

Learn More

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.

Learn More
Recent News
Hurricane Florence

Due to the effects of Hurricane Florence our Raleigh, NC office phones and internet are down. We apologize for the  inconvenience and have taken steps to get this issue fixed as soon as possible.  If you need to reach us, please do so via email. You can contact Kri...

View More