| Counties Ranked by Total Environmental Releases from Manufacturing Firms (2002) |
 | No reported releases |
 | Lowest / Cleanest (0-20%) |
 | Second lowest (20-40%) |
 | Middle (40-60%) |
 | Second highest (60-80%) |
 | Highest / Dirtiest (80-100%) |
| Counties Ranked by Total Environmental Releases from Manufacturing Firms (2002) |
 | No reported releases |
 | Lowest / Cleanest (0-20%) |
 | Second lowest (20-40%) |
 | Middle (40-60%) |
 | Second highest (60-80%) |
 | Highest / Dirtiest (80-100%) |
| TRI Facilities |
 | - |