Industrial waste was illegally dumped into a gravel pit site of 30 ha in Teshima Island. 500 thousand tons of waste including residues from cars; home electric appliances; slags; incineration residues; and waste oil were dumped from late 1970s – 1988. Remediation started 2003 and should take 10 years.
Source categories of waste contamination by POPs:
Polychlorinated Biphenyls