EPA Air · by county and classification

Emissions classification unknowns in Richland County, Ohio

• 5Facilities

Sources in Richland County, Ohio that EPA records under the emissions classification unknown 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 Richland County

• Minor source 60
• Synthetic minor source 10
• Major source 8

Facilities

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