EPA Air · by county and classification
Minor sources in Cook County, Illinois
- 4,043Facilities
Sources in Cook County, Illinois that EPA records under the minor source classification. The classification is a size band, set by a source’s potential to emit: a major source is large enough to require a Title V operating permit, a synthetic minor source has accepted enforceable limits that keep it under that threshold, and a minor source sits below it without needing them.
Other classifications in Cook County
Facilities
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Classification as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Cook county, IL, minor sources. It lists 4,231 facilities in Cook county, 80 major sources, and 4,043 minor sources in Cook county.