Discharge of wastewater containing benzene and other substances from the Company's Okayama Plant
HOKKO CHEMICAL INDUSTRY CO.,LTD.
Synthesis Plant No. 6 and Synthesis Plant No. 7 at the Okayama Plant. Other plants at the Okayama Plant are also under investigation.
The cause of the discharge is still under investigation, but it is believed that wastewater leaked through cracks in the resin coating of a wastewater pit at the plant.
Related procedures
Response under the directions and guidance of administrative authorities
Administrative authorities, including Okayama Prefecture and Tamano City
Company response
Operations at Synthesis Plant No. 6 and Synthesis Plant No. 7, which primarily handle the chemical substances detected, have been suspended. Use of all wastewater pits at the Okayama Plant has been discontinued.
The Company will work to prevent a recurrence.
The Company will promptly announce any impact of this matter on its consolidated results once it is determined.
The Company will expedite its investigation into the cause and work to prevent a recurrence under the directions and guidance of administrative authorities, including Okayama Prefecture and Tamano City.
The Company will promptly announce the impact of this matter on its consolidated results once it is determined.
| Item | Details |
|---|---|
| Event name | Discharge of wastewater containing benzene and other substances from the Company's Okayama Plant |
| Date of occurrence | Around 16:15 on 14 July 2026 |
| Date recognized / date notice received | At around 16:15 on 14 July 2026, the Company received a notification from Tamano City regarding the reported discharge. At around 22:00 on 17 July 2026, the Company confirmed the discharge of wastewater containing chemical substances. |
| Subject Entity | HOKKO CHEMICAL INDUSTRY CO.,LTD. |
| Target Locations / Products | Synthesis Plant No. 6 and Synthesis Plant No. 7 at the Okayama Plant. Other plants at the Okayama Plant are also under investigation. |
| Cause | The cause of the discharge is still under investigation, but it is believed that wastewater leaked through cracks in the resin coating of a wastewater pit at the plant. |
| Impact on Earnings Forecast | The Company will promptly announce any impact of this matter on its consolidated results once it is determined. |
| Type of litigation or proceeding | Response under the directions and guidance of administrative authorities |
| Court or authority | Administrative authorities, including Okayama Prefecture and Tamano City |
| Suspended operations | Operations at Synthesis Plant No. 6 and Synthesis Plant No. 7, which primarily handle the chemical substances detected, have been suspended. Use of all wastewater pits at the Okayama Plant has been discontinued. |
| Measures to prevent recurrence | The Company will work to prevent a recurrence. |
| Outlook | The Company will expedite its investigation into the cause and work to prevent a recurrence under the directions and guidance of administrative authorities, including Okayama Prefecture and Tamano City. |
| Planned follow-up disclosure | The Company will promptly announce the impact of this matter on its consolidated results once it is determined. |
Items this document does not state (12)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The cause of the discharge is still under investigation, but the Company believes that wastewater leaked through cracks in the resin coating of a wastewater pit at the plant.