Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 204 - PREVENTION OF SIGNIFICANT DETERIORATION
Subpart B - DEFINITIONS
Section 204.650 - Secondary Emissions

Current through Register Vol. 48, No. 38, September 20, 2024

"Secondary emissions" means emissions that would occur as a result of the construction or operation of a major stationary source or major modification, but do not come from the major stationary source or major modification itself. Secondary emissions include emissions from any offsite support facility that would not be constructed or increase its emissions, except as a result of the construction or operation of the major stationary source or major modification. Secondary emissions do not include any emissions that come directly from a mobile source, such as emissions from the tailpipe of a motor vehicle, from a train, or from a vessel. For the purposes of this Part, secondary emissions must be specific, well defined, quantifiable, and impact the same general area as the major stationary source or major modification which causes the secondary emissions.

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