Measures taken:
Although the counter -measures were taken at late stage after tremendous tragedy, along
with national legislation and administration development, many efforts were made. The
measures taken in this case can be divided into 5 categories: a) research activities, b)
regulatory, administrative, and legal arrangements, c) medical remedies for those suffered
from disease, d) improvement of mercury emission system, and f) environment recovery
efforts.
16
As seen in other cases, the first initiative taken was the research activities by an academic
institution. Also national and local governments conducted fact-finding survey (however they
could not recognize the strong connection between the mercury pollution and Chisso’s
operation).