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- Survey of dioxins in soil (FY2011)
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Survey of dioxins in soil (FY2011)
Last update date April 3, 2024
This page is a document describing the results of the survey on dioxin concentrations in soil conducted in 2011 (2011).
Outline of the survey
Yokohama City has been conducting surveys on dioxins in soil since 1998. This year, the entire city was divided into 10 districts, and one point was selected from each district and surveyed. We are pleased to announce that the results of the survey are now available.
Survey points and methods
The survey points were selected for parks with bare land of a certain area suitable for sampling, and were collected and analyzed in accordance with the "Soil Survey and Measure Manual for Dioxins (Ministry of the Environment: March 2009)" .
Date of investigation
August 25, 2011 and August 29, 2011
Survey results
- The concentration of dioxins in soil at 10 locations in the city conformed to the soil environmental standards of 1,000 pg-TEQ / g at all points.
- Survey of dioxins in soil
| Location number | Survey point | Location | Dioxin concentration |
|---|---|---|---|
| １ | Municipal Komaoka Housing | 4-28, Komaoka, Tsurumi-ku | 0.25 |
| ２ | Kandaji Elementary School | 3-34-1, Kandaiji, Kanagawa-ku | 0.083 |
| ３ | Mamon Elementary School | 29-1, Honmokumakado, Naka-ku | 0.78 |
| ４ | Koda Elementary School | 354-3, Kudencho, Sakae-ku | 0.45 |
| ５ | Hatsunegaoka Elementary School | 1-1, Fujizukacho, Hodogaya-ku | 0.37 |
| ６ | Bairin Elementary School | 5-13-1, Sugita, Isogo-ku | 0.15 |
| ７ | Shimoda Elementary School | 4-10-1, Shimodacho, Kouhoku-ku | 1.3 |
| ８ | Municipal Katsuta Housing | 266-1, Kachidacho, Tsuzuki-ku | 14 |
| ９ | Municipal Hashidohara Heights | 1-31-1, Hashido, Seya-ku | 1.4 |
| 10 | Naze Elementary School | 776, Nasecho, Totsuka-ku | 0.42 |
※Environmental standards for soil contamination: 1,000 pg-TEQ/g or less
For inquiries to this page
Yokohama City Green Environment Bureau Environmental Conservation Department Water and Soil Environment Division
Phone: 045-671-2494
Phone: 045-671-2494
Fax: 045-671-2809
Email address: mk-dojo@city.yokohama.lg.jp
Page ID: 989-121-899
