| Baden Württemberg | Niedersachsen |
| Bayern | Nordrhein-Westfalen |
| Berlin | Rheinland-Pfalz |
| Brandenburg | Saarland |
| Bremen | Sachsen |
| Hamburg | Sachsen Anhalt |
| Hessen | Schleswig-Holstein |
| Mecklenburg-Vorpommern | Thüringen |
Europa |
Übersee |
Organizationen / Institutionen |
| Umweltministerium
Österreich
Umweltbundesamt Östereich |
US- EPA | European Environment Agency |
| Umweltministerium Frankreich | site characterizaion technologies U.S. | |
| Swedish Environmental Protection Agency | joint
effortof U.S. federal agencies
(key documents related to site cleanup; screening matrix and case studies) |
Harvard Environmental Resources |
| Bundesamt für Umwelt, Wald und Landschaft / Schweiz | Ground-Water
Remediation Technologies
Analaysis Center U.S:. |
NICOLE |
| CARACAS | ||
| Environment Agency of England and Wales | CEDAR (central european environmental data request facility) | |
| The Joint Research Centre (JRC) | Environmental WebDirectory | |
| Organization for Economic Cooperation and Development (OECD) | CLARINET |
Die LINK-Liste des UBA