Protecting Oregon's Environment
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Oregon Department of Environmental Quality

Air Quality

Air Contaminant Discharge Permits (ACDP)

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Emission factors (series EF)

The emission factors on this webpage are provided to assist with the development of both ACDP and Title V permit applications. Please read the instructions before using the emission factors because although DEQ has provided these factors, it may be more appropriate to use other information.

Source Description Emission Factors (PDF)
Feed, seed, grain AQ-EF01
Wood products AQ-EF02
Wood products PM10/PM2.5fraction AQ-EF03
Oil fired boilers AQ-EF04
Gas fired boilers AQ-EF05
Asphalt and Aggregate industries AQ-EF06
Electric power generators AQ-EF07
PM2.5 fractions of PM10 - miscellaneous processes AQ-EF08
[print version]

For questions about air quality regulations or permits, see our Contacts page.

For more information about Air Quality call 503-229-5359 or email.

Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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