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- Results of dioxins survey in soil (FY2022)
Last updated on April 2, 2024.
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Results of dioxins survey in soil (FY2022)
This page is a document describing the results of a survey of dioxin concentrations in soil conducted in FY2022 (Reiwa 4).
Overview of the Survey
In Yokohama City, the entire city was divided into 10 districts this year for dioxins in the soil, 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 2022)".
Date of Survey
From July 25 to 29, 2022
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.
The survey results of each point are as follows.
Point number | Survey points | 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 | Higashi-Shinano Elementary School | 559, Shinanocho, Totsuka-ku | 0.37 |
※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: 520-679-072
