EPA Air · by county and classification
Synthetic minor sources in St. Croix County, Wisconsin
- 3Facilities
Sources in St. Croix County, Wisconsin 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 St. Croix County
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| DONALDSON COMPANY, INC. | Synthetic minor source | No |
| FEDERAL FOAM TECHNOLOGIES | Synthetic minor source | No |
| SOURCE ENERGY SERVICES PROPPANTS LP - WEYERHAEUSER SAND PROCESSING | Synthetic minor source | No |
Classification as filed on the facility record. Figures from EPA’s ICIS-AIR download.