EPA Air · by county and classification

Synthetic minor sources in Marion County, Ohio

• 3Facilities

Sources in Marion County, Ohio that EPA records under the synthetic 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 Marion County

• Minor source 21
• Major source 6

Facilities

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