Exhibit 196 · Institutional history
Determination of the cause of Minamata disease
Chisso, which by 1959 had realized that the wastewater out of its factory was the cause, continued letting it flow out.
Records the investigation, Chisso’s knowledge by 1959, and continued wastewater discharge.
- Source
- National Institute for Minamata Disease
- Date
- Undated
- Quoted from
- Investigation of the Cause of Minamata Disease, third paragraph
- Grade
- Primary record
- Document
- https://nimd.env.go.jp/archives/english/minamata_disease_in_depth/cause_investigation/
- Accessed
- 2026-11-09
- Cited by
- Findings citing this exhibit