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- Survey of dioxins in soil (FY2022)
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Survey of dioxins in soil (FY2022)
Last update date April 2, 2024
This page describes the results of a survey of dioxin concentrations in soil conducted in FY2022 (FY4).
Outline of the survey
In Yokohama City, for dioxins in the soil, the entire city was divided into 10 districts this year, 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 and other facilities 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 2022).
Date of investigation
From July 25 to 29, 2022
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.
The survey results for each location are as follows.
Location number | Survey point | Location | Dioxin concentration |
|---|---|---|---|
| 1 | Heian Elementary School | 2-9-1, Heiancho, Tsurumi-ku | 0.37 |
| 2 | Mitsuzawa Elementary School | 4-17, Mitsuzawanakamachi, Kanagawa-ku | 0.34 |
| 3 | Hamamatsucho Park | 9, Hamamatsucho, Nishi-ku | 0.16 |
| 4 | Hino Elementary School | 7-11-1, Hino, Kounan-ku | 0.021 |
| 5 | Hodogaya Elementary School | 129-4, Godocho, Hodogaya-ku | 0.076 |
| 6 | Okuza Park | 4-19, Kamariyanishi, Kanazawa-ku | 0.71 |
| 7 | General Elementary School | 4-2-1, Okurayama, Kouhoku-ku | 0.00031 |
| 8 | Azamino Daini Elementary School | 3-29-3, Azamino, Aoba-ku | 0.14 |
| 9 | Hashido-Hara Park | 1-28-3, Hashido, Seya-ku | 1.7 |
| 10 | Higashishinano Elementary School | 559, Shinanocho, Totsuka-ku | 0.37 |
※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: 520-679-072
