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Measures in the event of an accident
Last updated on May 10, 2024.
A person who uses the public sewer by removing sewage from a specific business site has an accident in which harmful substances such as cyan or oil that may cause damage to human health or damage to the living environment flow into the public sewer. It is said that emergency measures must be taken immediately and immediately reported to the public sewer manager (Mayor of Yokohama). In addition, public sewer manager (the mayor of Yokohama) orders that we take emergency measures when we remove sewage from specific business establishment and recognize that person using public sewer does not take emergency measures It is said that it can be done. Penalties may be applied to anyone who violates these orders (Article 46).
Substances subject to measures in the event of an accident are as follows:
| Name of substance | Name of substance |
|---|---|
| Cadmium and its compounds | 1,1,1-trichloroethane |
| Cyanide compounds | 1,1,2-trichloroethane |
| Organic phosphorus compounds (pesticide-related) | 1,3-dichloropropene |
| Lead and its compounds | Chiuram |
| Hexavalent chromium compounds | Zimazine |
| Arsenic and its compounds | Thiobencarb |
| Mercury and alkyl mercury and other mercury compounds | Benzene |
| Polychlorinated biphenyl | Selenium and its compounds |
| Trichloroethylene | Boron and its compounds |
| Tetrachloroethylene | Fluorine and its compounds |
| Dichloromethane | Ammonia, ammonium compounds, Nitrite compounds and nitrate compounds |
| Carbon tetrachloride | Vinyl chloride monomer |
| 1,2-dichloroethane | 1,4-dioxane |
| 1,1-dichloroethylene | Dioxins |
| 1,2-dichloroethylene | ― |
| Type of oil | Type of oil |
|---|---|
| Crude oil | Kerosene |
| Heavy oil | Volatile oil |
| Lubricating oil | Animal and plant oil |
| Light oil | ― |
Inquiries to this page
Water Quality Division, Sewerage and Rivers Bureau Sewerage Facilities Department
Phone: 045-671-2835
Phone: 045-671-2835
Fax: 045-550-4183
E-Mail address [email protected]
Page ID: 568-888-937
