| Environment/Superfund | Environment/Superfund | 4 |
| Waste (hazardous/solid/interstate/nuclear) | Waste (hazardous/solid/interstate/nuclear) | 4 |
| Utilities | Utilities | 4 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 4 |
| Fuel/Gas/Oil | Fuel/Gas/Oil | 4 |
| Budget/Appropriations | Budget/Appropriations | 4 |
| Transportation | Transportation | 4 |
| Indian/Native American Affairs | Indian/Native American Affairs | 4 |
| Railroads | Railroads | 4 |
| Energy/Nuclear | Energy/Nuclear | 4 |
| Communications/Broadcasting/Radio/TV | Communications/Broadcasting/Radio/TV | 4 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 4 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 4 |
| Telecommunications | Telecommunications | 4 |