FAQs

When we carry out soil investigation based on law or the regulations and are reported to Yokohama-shi, land where designation of area or area was canceled by law, area, land where designation of area was canceled by law or standard conformity land We make ledger and publish result of soil pollution investigation on homepage and window. For more information, please refer to this page.
Voluntary surveys are being conducted, and Yokohama City does not know what has not been reported, so please contact the landowners directly.

In Yokohama-shi, applicable land has not been confirmed at present.

Establishments operating as of October 1, 2012 that manufactures, uses, treat, store or store specific hazardous substances or solids or liquids containing specified hazardous substances or specified hazardous substances, or have been established in the past All are applicable. In addition, it is not system that Yokohama-shi designates establishments such as use of specific hazardous substances.

A facility that is a specific facility stipulated in Article 2, Paragraph 2 of the Water Pollution Control Law, and a facility that manufactures, uses, or treats specified hazardous substances prescribed in Article 2, Paragraph 1 of the Soil Contamination Countermeasures Act.

This refers to the general act of changing the shape of a land. Acts of touching the soil, such as excavation of land, embankment, flooring, removal of building foundations or pile driving, etc.

At the time of abolition of business establishments such as the use of specified harmful substances or when the characteristics of the land are changed, it is necessary to submit a notification related to soil contamination countermeasures.
For more information, please refer to this page.

Soil survey is required in the following cases.
①When a business establishment such as the use of specified hazardous substances or specific facilities using harmful substances is abolished
②When The Mayor of Yokohama determines that soil survey is necessary after receiving notification of changes in traits
③In addition, when The Mayor of Yokohama recognizes that soil contamination may cause health hazards due to soil contamination
For more information, please refer to this page.

As a general rule, designated investigation organization (outside site) that land owners requested by oneself carries out.

When soil investigation based on law or the regulations becomes necessary, please ask designated investigation organization (outside site).
The designated research organization first determines the risk of contamination by investigating the land history, and, if necessary, conducts soil gas surveys and soil collection surveys. After that, please submit a report on the soil contamination status survey report to Yokohama City.

If the standard is exceeded as a result of the soil survey, it will be designated as a (regulation) required area or a notification area required at the time of (regulation) based on the law or ordinance. For more information about the area, please see this page.