現在位置
- Yokohama-shi Top Page
- Living, procedures
- Community Development and Environment
- Environmental Conservation
- Survey and observation
- Dioxins
- Results of dioxin survey in soil
- Results of dioxin survey in soil (FY2011)
Last updated on April 3, 2024.
The text is from here.
Results of dioxin survey in soil (FY2011)
This page is a document describing the results of a survey of dioxin concentrations in soil conducted in FY2011 (Heisei 23).
Overview of the Survey
Yokohama City has been investigating dioxins in the soil since 1998, and this year, the entire city was divided into 10 districts, and one point was selected from each district and surveyed. We are pleased to inform you that the results of the survey have been compiled.
Survey points and methods
The survey points were selected for parks with bare land with a certain area suitable for sampling, and were collected and analyzed in accordance with the "Soil Survey and Measurement Manual for Dioxins (Ministry of the Environment: March 2009)" .
Date of Survey
August 25, 2011, August 29, 2011
Results of the survey
- The concentration of dioxins in the soil at 10 locations in the city conformed to the soil environmental standard of 1,000 pg-TEQ / g at all locations.
- Results of dioxin survey in soil
| Point number | Survey points | Location | Dioxin concentration |
|---|---|---|---|
| １ | Municipal Komaoka Housing | 4-28, Komaoka, Tsurumi-ku | 0.25 |
| ２ | Kandaiji 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 Hashido Hara Heights | 1-31-1, Hashido, Seya-ku | 1.4 |
| 10 | Naze Elementary School | 776, Nasecho, Totsuka-ku | 0.42 |
※Environmental standards for soil contamination: 1,000pg-TEQ/g or less
Inquiries to this page
Water and Soil Environment Division, Green Environment Bureau Environmental Conservation Department, Yokohama City
Phone: 045-671-2494
Phone: 045-671-2494
Fax: 045-671-2809
E-Mail address mk-dojo@city.yokohama.lg.jp
Page ID: 989-121-899
