EPA Air · by county

Air-emissions sources in Undetermined County, Illinois

• 3Facilities

Every stationary source in Undetermined County, Illinois that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.

By emissions classification in Undetermined County

A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.

• Minor source 3

Facilities

County as filed on the facility record. Figures from EPA’s ICIS-AIR download.