Northwest Opacity Certification "Smoke School"

Northwest Opacity Certification "Smoke School"

Our Spring 2020 Schedule is now available, Click Here for schedule and registration form PDF

Our Workbook For Initial Class Is Available by Clicking Here

To Download a Printable Copy, Right Click on the above Link and choose Save Target As, then choose a location on your Computer where you want to save it.

Valued Customer:

Northwest Opacity Certification (NOC) is pleased to provide Visible Emission Evaluation (VEE) Training and Certification in Oregon and, Washington.

Northwest Opacity Certification:

1.     Has an EPA audit that certifies NOC as following strict EPA Method 9 Regulations.

2.     Is recognized by the California Air Resources Board (CARB) for Field Certification.

3.     Has over 50 years of combined VEE staffing experience!

4.   Broke new ground in the Northwest by introducing a simpler, more economical method for test scoring!

5.    Continuously seeks new opportunities to verify EPA Method 9 conformation and improve operations.

6.   Dedicates itself to conducting all VEE Observation Certifications according to strict EPA Method 9 Regulations.


Northwest Opacity Certification Is:


Regulation EPA-600/477-027b Section cites, “…it is recommended observers attend the classroom training at 3-year intervals to review proper field observation techniques and method changes…”


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Yakima Regional Clean Air Agency
186 Iron Horse Court, Suite 101
Yakima, WA. 98901
Phone: (509) 834-2050

Clean air agency website made with Invisible Ink