EPA Air · by county
Air-emissions sources in Mason County, Washington
- 5Facilities
Every stationary source in Mason County, Washington 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.
Inspections in Mason County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ALTA FOREST PRODUCTS | Synthetic minor source | No |
| JENSEN PRECAST | Synthetic minor source | No |
| SHELTON ASPHALT PLANT | Minor source | No |
| SIERRA PACIFIC INDUSTRIES - SHELTON | Major source | No |
| TWIN TOTEMS CONVENIENCE STORE | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.