Radioactive survey of Tokyo soil

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Survey of radioactive contamination of soil in Tokyo after the Fukushima disaster.Average contamination in Tokyo region soil is 30,032 Bq/m²Tokyo City tested out at 61,713 Bq/m² on May 14, 2011This is provided here as a mirror for historically important documents and on a freedom of speech basis, protecting information vital to anyone on the planet, not just affected country.

Transcript of Radioactive survey of Tokyo soil

TOKYO METROPOLITAN SOIL TESTINGSample MethodSoil samples taken from 5cm beneath the surface. Sand samples taken from 15cm beneath the surface. Measurement of radioactive particles by a gamma spectrometer, in accordance with the "Manual for Measuring Radioactivity of Foods in Case of Emergency" by the Ministry of Health, Labour and Welfare. Dection Limit is 1Bq.

For Your Reference: Chernobyl Zoning1,480,000 Bq/ ZoneImmediate Evacuation Level: forced and immediate evacuation ZoneTemporay Relocation Level: relocation is obligatory 555,000 Bq/ 185,000 Bq/ ZonePreferred Relocation Level: citizens are given the right to relocate 37,000 Bq/ ZoneRadiation Protection Area: dened to prevent unnecessary contamination

Sample Data Sample Date Location Address I-131

Test ResultsBq/kg) Cs-134 Cs-137 Total Cs

(Bq/)

(*1)

Total Cs65 Zone

TOKYO1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

2011.06.14 2011.06.03 2011.06.04 2011.06.10 2011.06.04 2011.06.03 2011.06.04 2011.06.05 2011.06.04 2011.06.06 2011.06.04 2011.06.05 2011.06.10 2011.06.05 2011.06.01 2011.06.04 2011.06.04 2011.06.04 2011.06.04 2011.06.04 2011.06.04 2011.06.02 2011.06.02 2011.06.01 2011.06.08 2011.06.04 2011.06.03 2011.06.04 2011.06.03 2011.06.14 2011.06.04

Plantation Plantation Garden Garden Park Garden Garden Garden Vacant lot Garden Garden PlantationPlantation, Park

Edogawa-ku, Higashi-Kasai Edogawa-ku, Rinkaicho Edogawa-ku, Higashi-Koiwa Kita-ku, Horifune Kita-ku, Tabata Kita-ku, Akabane-Kita Arakawa-ku, Nishi-Nippori Katsushika-ku, Kanamachi Taito-ku, Iriya Adachi-ku, Hanabatake Adachi-ku, Towa Itabashi-ku, Kaga Koto-ku, Mouri Koto-ku, Morishita Chuo-ku, Tsukuda

Plantation Plantation

Riverside, Plantation Chiyoda-ku, Rokubancho

Park, Plantation

Minato-ku, Nishi-Azabu Minato-ku, Minami-Azabu Shinagawa-ku, Ebara Shinagawa-ku, Osaki Ota-ku, Denenchofu-Honcho 4, Bunkyo-ku, Koishikawa 5 ,Bunkyo-ku, Koishikawa Meguro-ku, Yakumo Meguro-ku, Shimo-Meguro Shibuya-ku, Uehara Setagaya-ku, Okamoto Setagaya-ku, Shimouma Setagaya-ku, Noge Shinjuku-ku, Tomihisacho Shinjuku-ku, Ichigayasadoharacho

Garden Sandbox Garden Garden Plantation Plantation Garden Garden Garden Plantation Plantation Riverside Park Plantation

ND ND ND ND ND ND ND 108 ND ND ND ND ND ND ND ND ND ND ND ND ND 77 ND ND ND ND ND ND ND ND ND

334 1571 506 63 387 249 88 1333 62 101 735 0 299 169 65 323 240 73 ND 69 311 990 9 125 70 136 20 93 39 50 527

397 2122 493 75 527 400 145 1357 68 121 972 24 360 220 84 416 317 87 ND 109 357 1510 16 185 117 182 24 157 70 71 564

731 3693 999 138 914 649 233 2690 130 222 1707 24 659 389 149 739 557 160 0 178 668 2500 25 310 187 318 44 250 109 121 1091

47515 240045 64935 8970 59410 42185 15145 174850 8450 14430 110955 1560 42835 25285 9685 48035 36205 10400 0 11570 43420 162500 1625 20150 12155 20670 2860 16250 7085 7865 7091514

4 3 4 4 4 4

4 4

4

4 4

4

Radiation Defense Project http://www.radiationdefense.jp/

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

2011.06.05 2011.06.04 2011.06.04 2011.06.05 2011.06.01 2011.06.04 2011.06.05 2011.06.05 2011.06.01 2011.06.14 2011.06.19 2011.06.09 2011.06.15 2011.06.15 2011.06.19 2011.06.13 2011.06.13 2011.06.10 2011.06.14 2011.06.15 2011.06.16 2011.06.15 2011.06.13 2011.06.08 2011.06.12

Park Riverside Garden Garden Park Park Plantation Farm Garden Garden Plantation Garden Park Garden Garden Garden Garden Garden Garden Garden Garden Garden Farm Garden Garden

Suginami-ku, Koenji-Kita Suginami-ku, Narita-Higashi Suginami-ku, Ogikubo Suginami-ku, Shouan Nakano-ku, Arai Nakano-ku, Arai Nerima-ku, Higashi-Oizumi Musashino-shi, Gotenyama Mitaka-shi, Jindaiji Fuchu-shi, Musashidai Fuchu-shi, Shiraitodai Chofu-shi, Kojimacho Kokubunji-shi, Higashi-Motomachi Kokubunji-shi, Higashi-Tokura Higashikurume-shi, Minamisawa Kodaira-shi, Tsudacho Tama-shi, Sakuragaoka Hachioji-shi, Shimo-Ongatamachi Hachioji-shi, Nanakuni Musashimurayama-shi, Gakuen Kiyose-shi, Noshio Koganei-shi, Higashimachi Akiruno-shi, Hikita Hamura-shi, Midorigaoka Higashiyamato-shi, Tateno

ND ND ND ND ND ND 9 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

67 46 16 127 85 198 329 14 103 226 64 108 14 125 ND 159 22 34 133 98 133 ND 110 73 149

82 49 15 146 96 216 377 20 118 309 69 119 16 161 ND 161 32 39 147 112 160 ND 134 89 190

TOKYO's Cesium AverageAverage of Cs-137 in 2009 was 1.5Bq/kg at Shinjuku-ku, Tokyo (*2)

149 95 31 273 181 414 706 34 221 535 133 227 30 286 0 320 54 73 280 210 293 0 244 162 339 462

9685 6175 2015 17745 11765 26910 45890 2210 14365 34775 8645 14755 1950 18590 0 20800 3510 4745 18200 13650 19045 0 15860 10530 22035 30032

4

CHIBA57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74

2011.06.13 2011.06.04 2011.06.28 2011.06.05 2011.06.10 2011.06.15 2011.06.09 2011.06.05 2011.06.04 2011.06.07 2011.06.05 2011.06.05 2011.06.04 2011.06.05 2011.06.05 2011.06.07 2011.06.04 2011.06.07

Garden Garden Garden Garden Garden Garden Garden Park Plantation Sandbox Plantation Farm Garden Garden Garden Garden Farm

Ichikawa-shi, Yawata Ichikawa-shi, Higashi-Owada Matsudo-shi, Kamishiki Matsudo-shi, Matsudo Kashiwa-shi, Akebono Kashiwa-shi, Matsugasaki Nagareyama-shi, Edogawadai-Higashi Yachiyo-shi, Midorigaoka Yachiyo-shi, Murakami-Minami Chiba-shi, Hanamigawa-ku, Hanamigawa Chiba-shi, Chuo-ku, Shinjuku

Garden, Plantation Mihama-ku, UtaseIsumi-gun, Otakimachi, Kochi Katsuura-shi, Sugido Sakura-shi, Jyo Sakura-shi, Shirogane Yotsukaido-shi, Monoi

Tomisato-shi, Tokura Radiation Defense Project http://www.radiationdefense.jp/

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

140 155 3285 1608 666 919 764 552 595 66 198 187 79 104 379 96 443 264

196 177 3728 1571 714 1077 952 747 649 92 253 202 93 132 478 132 619 283

336 332 7013 3179 1380 1996 1716 1299 1244 158 451 389 172 236 857 228 1062 547

21840 21580 455845 206635 89700 129740 111540 84435 80860 10270 29315 25285 11180 15340 55705 14820 69030 3555524

3 3 4 4 4 4 4

4 4

75 76 77 78 79 80

2011.06.03 2011.06.11 2011.06.06 2011.06.07 2011.06.06 2011.06.12

Farm Farm Garden Garden Beach sand Plantation

Isumi-shi, Kamone Mobara-shi, Minami-YoshidaSanbu-gun, Oami-Shirasatomachi, Midorigaoka

Sanbu-gun, Kujukurimachi, Ao Sanbu-gun, Kujukurimachi, Katakai-Kaigan Choshi-shi, Inubozaki

ND ND ND ND ND ND

85 41 ND 19 ND 45

103 61 ND 25 ND 51

CHIBA's Cesium AverageAverage of Cs-137 in 2009 was 0.98Bq/kg at Ichihara-shi, Chiba (*2)

188 102 0 44 0 96 959

12220 6630 0 2860 0 6240 62359

SAITAMA81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98

2011.07.17 2011.06.05 2011.06.09 2011.06.07 2011.06.07 2011.06.11 2011.06.05 2011.06.05 2011.06.07 2011.06.04 2011.06.18 2011.06.09 2011.06.13 2011.06.19 2011.06.10 2011.07.17 2011.06.05 2011.06.11

Plantation Garden, Farm Garden Garden Garden Garden Garden

Misato-shi, Waseda Yashio-shi, Kamibanba Soka-shi, Hanaguri Saitama-shi, Chuo-ku, Ennami Saitama-shi, Minuma-ku, Minami-Nakano Saitama-shi, Urawa-ku, Kishicho Saitama-shi, Minuma-ku, Higashi-Omiya

Garden, Plantation Kasukabe-shi, Komejima

Parking lot Park Garden Schoolyard Farm Garden Garden Vacant lot Plantation Farm

Shiki-shi, Honcho Fujimino-shi, Ichisawa Hanno-shi, Honcho Kawagoe-shi, Ofukuroshinden Kawagoe-shi, Sunashinden Ageo-shi, Haraichi Konosu-shi, Oashi Osato-gun, Yoriimachi Mikayama Fukaya-shi, Nishijima Fukaya-shi, Yamaga

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

6642 953 108 60 117 75 240 49 170 154 189 259 233 402 23 113 586 ND

7498 1298 131 71 137 83 322 58 234 168 216 333 258 461 36 123 755 ND

SAITAMA's Cesium AverageAverage of Cs-137 in 2009 was 4.8Bq/kg at Saitama-shi Sakura-ku, Saitama (*2)

14140 2251 239 131 254 158 562 107 404 322 405 592 491 863 59 236 1341 0 1253

919100 146315 15535 8515 16510 10270 36530 6955 26260 20930 26325 38480 31915 56095 3835 15340 87165 0 81449

2 4

4 4

4

KANAGAWA99 100 101 102 103 104 105 106 107 108 109 110 111 112

2011.06.17 2011.06.16 2011.06.16 2011.06.14 2011.06.08 2011.07.07 2011.06.13 2011.06.12 2011.06.15 2011.06.15 2011.06.01 2011.06.17 2011.07.03 2011.06.12

Garden Garden Garden Garden Park Plantation Garden Garden Farm Garden Garden Garden Garden Garden

Kawasaki-shi, Asao-ku, Kamiasao Kawasaki-shi, Tama-ku, Nagasawa Kawasaki-shi, Miyamae-ku, Nogawa Kawasaki-shi, Asao-ku, Okagami Kanagawa-shi, Minami-ku, Gumyouji Yokohama-shi, Nishi-ku, Miyagawa Yokohama-shi, Seya-ku, FutatsubashichoYokohama-shi, Asahi-ku, Tsurugamine-Honcho

Yokohama-shi, Kanazawa-ku, Kamariyanishi Yokohama-shi, Kanagawa-ku, Katakura Yokosuka-shi, Minatogaoka Yokosuka-shi, Taura Zushi-shi, Shinjuku Sagamihara-shi, Midori-ku, Nishi-Hashimoto

ND ND ND ND ND ND ND ND ND ND ND ND ND ND

18 201 119 100 59 152 110 ND 120 174 1051 192 ND 25

20 230 137 111 71 198 168 ND 153 228 1185 228 ND 39

38 431 256 211 130 350 278 0 273 402 2236 420 0 64

2470 28015 16640 13715 8450 22750 18070 0 17745 26130 145340 27300 0 416034

4

Radiation Defense Project http://www.radiationdefense.jp/

113 114 115 116 117 118 119

2011.06.15 2011.06.12 2011.06.10 2011.07.12 2011.06.13 2011.06.14 2011.07.01

Park Garden Farm Garden Garden Garden Plantation

Sagamihara-shi, Minami-ku, Unomori Hadano-shi, Tsurumaki-Minami Hadano-shi, Soya Ashigarashimo-gun, Hakonemachi Odawara-shi, Higashicho Odawara-shi, Minamicho Odawara-shi, Yawata

ND ND ND ND ND ND ND

170 ND ND 149 ND 162 ND

211 ND ND 198 ND 170 ND

KANAGAWA's Cesium AverageAverage of Cs-137 in 2009 was 4.6Bq/kg at Yokosuka-shi, Kanagawa (*2)

381 0 0 347 0 332 0 293

24765 0 0 22555 0 21580 0 19033

IBARAKI120 121 122 123 124 125

2011.06.07 2011.06.28 2011.06.05 2011.06.06 2011.06.06 2011.06.08

Garden Garden Garden Garden Garden Garden

Ryugasaki-shi, Otsukamachi Toride-shi, Fujishiro Tsukuba-shi, Kurakake Tsukuba-shi, Furuku Ishioka-shi, Omasu Hitachi-shi, Nakanarusawacho

ND ND ND ND ND ND

311 1481 683 861 314 527

376 1899 809 1020 360 783

IBARAKI's Cesium AverageAverage of Cs-137 in 2009 was 60Bq/kg at Naka-gun Tokaimura, Ibaraki (*2)

687 3380 1492 1881 674 1310 1571

44655 219700 96980 122265 43810 85150 102093

4 3 4 4 4 4

OTHER126 127 128 129 130

2011.05.30 2011.06.04 2011.06.07 2011.06.05 2011.06.08

Farm Farm Garden Garden Garden

Tochigi Pref. Haga-gun, Mashikomachi, Ashinuma Tochigi Pref. Mooka-shi, Monoi Tochigi Pref. Utsunomiya-shi, Wakakusa Nagano Pref. Kitasaku-gun, Karuizawamachi, Karuizawa Yamanashi Pref. Minamitsuru-gun, Fujikawaguchi-Komachi

ND ND ND ND ND

61 171 ND 151 ND

75 230 ND 225 ND

136 401 0 376 0

8840 26065 0 24440 0

*1Multiply by 65 in order to convert from Bq/kg to Bq/, according to the Nuclear Safety Commission of Japan *2From the "Environmental Radioactivity and Radiation in Japan" by Japan Chemical Analysis Center, commissioned by the Ministry of Education, Culture, Sports, Science and Technology

Extremely HIGH Numbers were detected within Tokyo City131

2011.05.14

Roadside sand

Toshima-ku, Sugamo

ND

28256

33457

61713

Sand was collected from the roadside on May 14 (sample location was never cleaned up since the Fukushima Daiichi accident). Leaves, stones, and garbage pieces were removed from the sample, then carefully stored.

132

2011.06.04

Plantation

Sumida-ku, Yahiro

ND

1831

2423

4254

Soil sample was taken from a roadside plantation. In front of the plantation are 2 rainwater gutters from a 2-story building. Sample location is where rainwater concentrates, and is by a downward hill.

Radiation Defense Project http://www.radiationdefense.jp/ 44