1. US Environmental Protection Agency; Office of Research and Development; National Health and Environmental Effects Research Laboratory; Narragansett Rhode Island
2. French Agency for Food; Environmental and Occupational Health & Safety; Maisons-Alfort France
3. Chevron Energy Technology Company; San Ramon California USA
4. Unilever Colworth; Bedford United Kingdom
5. US Environmental Protection Agency; Office of Research and Development; Safe and Sustainable Water Resources Research Program; Research Triangle Park North Carolina
6. Ramboll Environ; Atlanta Georgia USA
7. NEK Associates; Allston Massachusetts USA