Northwest Opacity Certification

Northwest Opacity Certification

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Thank you for choosing Northwest Opacity Certification - The Northwest's ORIGINAL smoke school!

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Certification Training

NOC offers online certification training.  Training is not required, but is strongly recommended for persons not previously certified and EPA-600/477-027b Section 3.12.1.2.2-4 states, “…it is recommended observers [receive] training at three-year intervals to review proper field observation techniques and method changes….”  The following materials are needed to complete this training.

Certification Testing - Fall 2024

All testing events begin at 9:00AM at the location stated.

Select a date/location and complete and submit a Registration Form.

Northwest Opacity Certification:

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

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