| State | Number of Sites |
|---|---|
| New Jersey | 113 |
| California | 98 |
| Pennsylvania | 95 |
| New York | 86 |
| Michigan | 65 |
| Florida | 55 |
| Texas | 50 |
| Washington | 49 |
| Illinois | 44 |
| Wisconsin | 38 |
| Contaminants | Number of Sites |
|---|---|
| Arsenic | 736 |
| Lead | 692 |
| Benzene | 662 |
| Chromium | 612 |
| Toluene | 579 |
| Cadmium | 560 |
| Zinc | 530 |
| Manganese | 524 |
| Nickel | 512 |
| Copper | 508 |
| Responsible Parties | Number of Sites |
|---|---|
| E. I. Du Pont De Nemours And Company | 80 |
| General Electric Company | 74 |
| General Motors Corporation | 65 |
| Shell Oil Company | 50 |
| Union Carbide Corporation | 44 |
| U.S. Air Force | 39 |
| Monsanto Company | 35 |
| Ford Motor Company | 33 |
| Ashland Chemical Company | 31 |
| Atlantic Richfield Company | 28 |
