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- Survey of dioxins in soil (FY2004)
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Survey of dioxins in soil (FY2004)
Last update date December 12, 2023
This page is a document that describes the survey results of dioxins concentrations in soil, among the materials released in a press release on the results of dioxins in the environment conducted in 2004 (FY16).
Purpose of the survey
From 2000, the city of Yokohama will be separated by a 1km mesh, and each mesh (340 mesh) will be surveyed in five years, and the survey results of 68 points conducted in 2004, the fifth year, will be announced.
Survey points and methods
The survey points were selected for parks, temples, and schools with bare land of a certain area suitable for sampling, and collected in accordance with the "Soil Survey and Measure Manual for Dioxins (Environment Agency: January 2000)" Analyzed.
Date of investigation
From November 26, 2004 to December 7, 2004
Survey results
- The concentration of dioxins in soil at 68 locations in the city ranged from a minimum of 0.0014 pg-TEQ / g to a maximum of 23 pg-TEQ / g, and the average was 1.9 pg-TEQ / g. The results of this survey conformed to the environmental standards of 1,000 pg-TEQ/g.
- Survey of dioxins in soil
Location number | Survey point | Location | Dioxin concentration |
---|---|---|---|
1 | Kamisueyoshi Elementary School | 5-24-1, Kamisueyoshi, Tsurumi-ku | 0.11 |
2 | Egasaki Hachimangu Shrine | 13, Egasakicho, Tsurumi-ku | 2.8 |
3 | Yako Elementary School | 3-8-1, Yakou, Tsurumi-ku | 0.90 |
4 | Market Elementary School | 1-13-1, Motomiya, Tsurumi-ku | 0.018 |
5 | Shimoda Elementary School | 4-10-1, Shimodacho, Kouhoku-ku | 0.020 |
6 | Suginami Park, Shimoda-cho | 3-2, Shimodacho, Kouhoku-ku | 0.012 |
7 | Takada Elementary School | 1774, Takatacho, Kouhoku-ku | 0.88 |
8 | Morito Hara Daiichi Park | 6-49, Hiyoshihoncho, Kouhoku-ku | 12 |
9 | Hiyoshihoncho Daiichi Park | 5-9, Hiyoshihoncho, Kouhoku-ku | 6.9 |
10 | Tsunashima Elementary School | 3-11-1, Tsunashimanishi, Kouhoku-ku | 0.32 |
11 | Hiyoshidai Elementary School | 1-34-21, Hiyoshihoncho, Kouhoku-ku | 1.7 |
12 | Shinyoshida Machihara Park | 5587-4, Shinyoshidacho, Kouhoku-ku | 6.0 |
13 | Nitta Junior High School | 1256, Shinyoshidacho, Kouhoku-ku | 0.041 |
14 | Mukaihara elementary school student Amusement Park Children's Playground | 902, Shinyoshidacho, Kouhoku-ku | 0.28 |
15 | Tsunashima Park | 1, Tsunashimadai, Kouhoku-ku | 2.2 |
16 | Minowa Funashita Park | 2-10, Minowacho, Kouhoku-ku | 0.060 |
17 | Tarumachi Fudashita Park | 3-12, Tarumachi, Kouhoku-ku | 0.42 |
18 | 5, Tsunashimahigashi Park | 5-354-1, Tsunashimahigashi, Kouhoku-ku | 0.20 |
19 | Nagatsuta Daisan Park | 1-22, Nagatsuta, Midori-ku | 2.1 |
20 | Kitahatsusaku Daishi Park | 946-1, Kitahassakucho, Midori-ku | 0.097 |
21 | Ichigao Elementary School | 1632-1, Ichigaocho, Aoba-ku | 0.094 |
22 | Hyuga Park | 3-14-4, Edanishi, Aoba-ku | 1.4 |
23 | 3, Azamino Park | 3-4-3, Azamino, Aoba-ku | 23 |
24 | Yamauchi Elementary School | 1-4-4, Shinishikawa, Aoba-ku | 0.073 |
25 | Akata Nishi Park | 3-1-1, Azaminominami, Aoba-ku | 8.9 |
26 | Azamino Daiichi Elementary School | 4-6-1, Azaminominami, Aoba-ku | 0.10 |
27 | Fir tree park | 4-6-2, Azaminominami, Aoba-ku | 0.0060 |
28 | Bi Shigaoka Nishihojima Park | 1-5-8, Utsukushigaokanishi, Aoba-ku | 0.0061 |
29 | Utsukushigaoka Daini Park | 3-42, Utsukushigaoka, Aoba-ku | 0.28 |
30 | Susukino Elementary School | 3-4-1, Susukino, Aoba-ku | 0.45 |
31 | Ekoda Elementary School | 3-8-9, Ekoda, Aoba-ku | 0.35 |
32 | Motoishikawa Elementary School | 4-31-1, Utsukushigaoka, Aoba-ku | 0.11 |
33 | Utsukushigaoka Higashi Elementary School | 2-25, Utsukushigaoka, Aoba-ku | 0.0089 |
34 | Naracho Otadaira Park | 2880-4, Naracho, Aoba-ku | 0.59 |
35 | Kamoshida Daishi Park | 555, Kamoshidacho, Aoba-ku | 0.0068 |
36 | Nara Junior High School | 36-3, Sumiyoshidai, Aoba-ku | 0.14 |
37 | Katsura Elementary School | 1-4, Katsuradai, Aoba-ku | 0.0024 |
38 | Nara 3-chome City Nokubo Park | 3-4, Nara, Aoba-ku | 0.031 |
39 | Sumiyoshidai Daini Park | 24-4, Sumiyoshidai, Aoba-ku | 0.66 |
40 | Tachibanadai Park | 1-4-2, Tachibanadai, Aoba-ku | 18 |
41 | Aobadai Junior High School | 2-25-2, Aobadai, Aoba-ku | 0.087 |
42 | Akanedai Nishigaya Park | 2-20-1, Akanedai, Aoba-ku | 0.35 |
43 | Akanedai Miyanodai Park | 1-2-1, Akanedai, Aoba-ku | 0.089 |
44 | Tana Elementary School | 51-13, Tanacho, Aoba-ku | 1.7 |
45 | Moegino Junior High School | 4-1, Moegino, Aoba-ku | 0.090 |
46 | Moegino Elementary School | 16, Moegino, Aoba-ku | 0.14 |
47 | Higashi Ichigao Elementary School | 519, Ichigaocho, Aoba-ku | 0.0039 |
48 | Satsukigaoka Elementary School | 8, Satsukigaoka, Aoba-ku | 0.0033 |
49 | Umegaoka Park | 4, Umegaoka, Aoba-ku | 0.068 |
50 | Mitakedai Junior High School | 30, Mitakedai, Aoba-ku | 1.3 |
51 | Eda Elementary School | 694, Edaminami, Tsuzuki-ku | 0.72 |
52 | Nakagawanishi Elementary School | 1-3-1, Nakagawa, Tsuzuki-ku | 0.098 |
53 | Orita Fudo Park | 4-9, Edaminami, Tsuzuki-ku | 17 |
54 | Hachimanyama, Nakagawa Park | 7-13, Nakagawa, Tsuzuki-ku | 7.9 |
55 | Ushikubo Nozomigaoka Park | 3-16, Ushikubo, Tsuzuki-ku | 0.12 |
56 | Ushikubo Higashihime apple park | 2-3-13, Ushikubohigashi, Tsuzuki-ku | 0.062 |
57 | Ushikubo Higashi Natsumikan Park | 2-25, Ushikubohigashi, Tsuzuki-ku | 0.094 |
58 | Chigasakidai Elementary School | 13-1, Nagasaka, Tsuzuki-ku | 0.70 |
59 | Minamiyamada Elementary School | 2-27-1, Minamiyamata, Tsuzuki-ku | 0.21 |
60 | Tsukanooka Elementary School | 1-22-1, Edahigashi, Tsuzuki-ku | 0.037 |
61 | Kawawa Elementary School | 1463, Kawawacho, Tsuzuki-ku | 0.0014 |
62 | Kawawa Higashi Elementary School | 21-2, Fujimigaoka, Tsuzuki-ku | 0.012 |
63 | Yamada Elementary School | 3-29-1, Higashiyamata, Tsuzuki-ku | 0.0054 |
64 | Hayabuchi Park | 2, Hayabuchi, Tsuzuki-ku | 1.5 |
65 | Katsuta Daini Park | 266, Kachidacho, Tsuzuki-ku | 0.086 |
66 | Hayabuchi Hibari Park | 1-35, Hayabuchi, Tsuzuki-ku | 0.10 |
67 | A row of cherry blossom trees Hozuki Park | 7, Sakuranamiki, Tsuzuki-ku | 0.059 |
68 | Nakamachidai Kuwagata Park | 3-7, Nakamachidai, Tsuzuki-ku | 0.029 |
※Environmental standards for soil contamination: 1,000 pg-TEQ/g or less
(3) In this fiscal year, a survey (340 locations in total) that divided the entire city into 1km mesh was completed, but all locations met the environmental standards of soil.
Average value: 4.1pg-TEQ/g, Detected concentration range: 0.00045 pg-TEQ/g to 140 pg-TEQ/g
Future Actions
In 2005, we will conduct surveys of areas with relatively high concentrations among the survey results so far.
For inquiries to this page
City of Yokohama, Environmental Planning Bureau Environmental Conservation Department Water and Soil Environment Division
Phone: 045-671-2494
Phone: 045-671-2494
Fax: 045-671-2809
Email address: ks-dojo@city.yokohama.jp
Page ID: 365-012-146