Clinical and epidemiological evaluation of health effects in potentially affected populations.

secure analyses of every dump site and all details and all combinations over time. When the biochemists and the analytical chemists complete their work, we would then call in the hydrologists to provide patterns for us. That will be an ideal world. But I am reminded, for example, that Japanese clinicians knew something was wrong at Minamata Bay long before we were able to measure methylmercury, and I think that Dr. Epstein in London worked at least a dozen years after Burkett, to find the Epstein-Barr virus and its possible relationship to lymphomas described in East Africa. I am reminded that long before we knew of nickel carcinogenicity a small town practitioner in South Wales identified the hazard. He saw