Mercury Contamination at a Former Factory Site in Hachioji City - June 1998

Mercury Contamination at a Former Factory Site in Hachioji City - June 1998

Serious soil contamination with inorganic mercury was discovered at a former factory site (25,000 square meters in area) in Hachioji City, Tokyo.
Mercury that was not properly treated in the wastewater treatment process leaked out and contaminated approximately 6,000 cubic meters of soil.
The plant manufactures agricultural chemicals, and the leaked mercury could cause health risks such as neurological disorders, kidney dysfunction, and Minamata disease.
Minamata disease.

According to the Ministry of the Environment's standards, special control is required if the mercury concentration in the soil exceeds 0.5 mg/kg.
However, specific figures have not been disclosed, and citizens have criticized the lack of transparency of information.
However, there are concerns about the long-term effects on the environment. The Tokyo Metropolitan Government and the city of Tokyo are planning to hold explanatory meetings for local residents and to conduct continuous environmental monitoring.
and ongoing environmental monitoring, and prompt action, including medical assistance, is being sought.