Table 2 Radioactive cesium in local commercial products purchased in Fukushima Prefecture
Sampling site | n | Weight (g) | Radioactivity (Bq/kg) | Recommended standarda (Bq/kg) | |||
|---|---|---|---|---|---|---|---|
134Cs | 137Cs | Total | |||||
Milk | 200 | ||||||
Fukushima total | 21 | n > MDL (%) | – | 20 (95.2) | 19 (90.5) | – | |
Median (range) | – | 1.8 (ND–4.9) | 1.9 (ND–5.5) | 4.1 (ND–10.1) | |||
Mean ± SD | 985 ± 119 | 2.1 ± 1.7 | 2.4 ± 1.9 | 4.5 ± 3.6 | |||
Iwaki | 3 | n > MDL (%) | – | 3 (100.0) | 3 (100) | ||
Median (range) | – | 0.9 (0.6–1.2) | 1.2 (1.1–1.3) | 2.0 (1.9–2.3) | |||
Mean ± SD | 752 ± 202 | 0.9 ± 0.3 | 1.2 ± 1.1 | 2.1 ± 0.2 | |||
Souma | 6 | n > MDL (%) | – | 6 (100.0) | 6 (100.0) | – | |
Median (range) | – | 3.1 (1.4–3.8) | 3.1 (1.9–4.4) | 6.1 (3.3–8.2) | |||
Mean ± SD | 1,019 ± 29 | 2.8 ± 1.0 | 3.1 ± 1.0 | 5.9 ± 1.9 | |||
Nihonmatsu | 3 | n > MDL (%) | – | 3 (100.0) | 1 (33.3) | ||
Median (range) | – | 0.2 (0.2–1.3) | ND (ND–1.1) | 0.2 (0.2–2.4) | |||
Mean ± SD | 1,047 ± 15 | 0.5 ± 0.7 | 0.4 ± 0.6 | 0.9 ± 1.3 | |||
Fukushima | 9 | n > MDL (%) | – | 8 (88.9) | 8 (88.9) | – | |
Median (range) | – | 3.4 (ND–4.9) | 3.9 (ND–5.5) | 7.3 (0.2–10.1) | |||
Mean ± SD | 1,021 ± 18 | 2.6 ± 2.0 | 2.3 ± 4.4 | 5.6 ± 4.4 | |||
Kyoto (Uji) | 3 | n > MDL (%) | – | 1 (33.3) | 1 (33.3) | – | |
Median (range) | – | ND (ND–0.7) | ND (ND–0.7) | ND (ND–1.4) | |||
Mean ± SD | 1,037 ± 21 | 0.2 ± 0.4 | 0.2 ± 0.4 | 0.5 ± 0.8 | |||
Weight (g) | Radioactivity (Bq/kg weight) | Recommended standarda (Bq/kg) | |||||
|---|---|---|---|---|---|---|---|
134Cs | 137Cs | Total | |||||
Vegetable/fruit | 500 | ||||||
Kyoto (Uji) | |||||||
Spinach | 1,249 | ND | ND | ND | |||
Japanese mustard spinach | 3,044 | ND | ND | ND | |||
Fukushima (n = 43) | |||||||
Date | |||||||
Japanese mustard spinach | 1,828 | 2.6 | 2.2 | 4.8 | |||
Spinach | 1,677 | 0.2 | 0.3 | 0.5 | |||
New Zealand spinach | 1,097 | 29.9 | 32.7 | 62.6 | |||
Ceylon spinach | 826 | 2.1 | 3.1 | 5.2 | |||
Cucumber | 1,643 | 3.4 | 4.5 | 7.9 | |||
Welsh onion | 1,770 | 3.3 | 2.8 | 6.1 | |||
Kawamata | |||||||
Mizuna | 504 | 5.9 | 7.7 | 13.7 | |||
Shiitake | 1,012 | 140.4 | 164.2 | 304.6 | |||
Ceylon spinach | 503 | 4.4 | 3.0 | 7.4 | |||
Cucumber | 1,007 | 1.3 | 1.6 | 2.8 | |||
Broccoli | 831 | 6.4 | 6.6 | 12.9 | |||
Chinese chives | 704 | 7.2 | 4.5 | 11.7 | |||
Partially dried Japanese persimmon | 332 | 1.8 | 1.7 | 3.5 | |||
Welsh onion | 1,455 | 5.7 | 6.6 | 12.3 | |||
Fukushima | |||||||
Chinese chives | 436 | 1.9 | 2.0 | 3.9 | |||
Cucumber | 493 | 2.9 | 3.9 | 6.8 | |||
Iwaki | |||||||
Spinach | 1,903 | 0.5 | 0.9 | 1.4 | |||
Snap bean | 860 | 3.5 | 3.6 | 7.1 | |||
Shiitake | 89 | ND | ND | ND | |||
Green onion | 571 | 7.3 | 8.5 | 15.8 | |||
Chinese chives | 615 | 2.8 | 3.5 | 6.3 | |||
Broccoli | 1,479 | 0.9 | 1.1 | 2.0 | |||
Ceylon spinach | 1,079 | 1.5 | 2.6 | 4.0 | |||
Garlic | 691 | 0.8 | 0.5 | 1.3 | |||
Souma | |||||||
Welsh onion | 1,543 | 4.1 | 2.6 | 6.7 | |||
Peach | 794 | 9.3 | 7.9 | 17.2 | |||
Cherry | 244 | 29.3 | 37.3 | 66.6 | |||
Broad beans | 418 | 4.9 | 6.0 | 10.9 | |||
Onion (large) | 835 | 0.5 | 0.6 | 1.1 | |||
Onion (small) | 430 | 9.1 | 9.2 | 18.3 | |||
Red onion (large) | 589 | 3.3 | 5.0 | 8.3 | |||
Red onion (small) | 524 | 9.6 | 11.6 | 21.3 | |||
Garlic | 256 | 9.4 | 7.2 | 16.6 | |||
Potato | 1,258 | 1.0 | 0.8 | 1.8 | |||
Minamisouma | |||||||
Carrot | 1,271 | 1.4 | 2.1 | 3.5 | |||
Shiitake | 417 | 127.1 | 154.7 | 281.8 | |||
Bell pepper | 502 | ND | ND | ND | |||
Nihonmatsu | |||||||
Asparagus | 637 | 1.3 | 1.5 | 2.8 | |||
Bell pepper | 390 | 12.0 | 10.7 | 22.7 | |||
Ceylon spinach | 1,533 | 1.7 | 3.2 | 4.9 | |||
Cucumber | 2,064 | 3.6 | 4.3 | 7.9 | |||
Welsh onion | 1,309 | 5.4 | 5.0 | 10.5 | |||
Cherry | 352 | 24.5 | 28.5 | 52.9 |
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