(Provisional translation)
[18 April] Safety inspections of fisheries products on radioactive materials
Sericulture and Horticulture Division, Gunma Prefecture The Gunma Prefectural Government conducted inspections on radioactive materials in the 46 samples of land-locked salmon, whitespotted char, rainbow trout and ginhikari (selectively bred rainbow trout) obtained from 20 aquaculture facilities in the prefecture. The result of the inspection, obtained on 18 April, showed that radioactive material was not detectable or below the regulation value in all the samples.
1. Sampling site Maebashi, Takasaki, Numata, Kiryu, Shibukawa, Fujioka, Midori, Kanna, Kanra, Tsumagoi, Higashi-agatsuma, Katashina, Kawaba 13 municipalities
2. Fisheries products inspected Land-locked salmon (Oncorhynchus masou), whitespotted char (Salvelinus leucomaenis), rainbow trout (Oncorhynchus mykiss) and ginhikari (selectively bred rainbow trout) (Oncorhynchus mykiss)
* All cultured
3. Sampling date 9-12 April 2012
4. Date of inspection result obtained 18 April 2012
5. Results of inspection Level of radioactive materials Total level of Sam Analysi Sampling Municipa Fish Wild/ (Becquerel/kg) radioactive pling s area lity species cultured (Detection limit shown in parenthesis) materials date facility Cesium 134 Cesium 137 (Becquerel/kg)
Aquaculture 9 Rainbow Cultured Not Not Takasaki (5.4) (5.1) - 1 Facility April trout detectable detectable
Aquaculture Takasaki Whitespo Not (6.8) Not (4.8) - 1
Facility tted char detectable detectable
Aquaculture Takasaki Land-lock Not (4.7) Not (4.8) - 1
Facility ed salmon detectable detectable
Aquaculture Takasaki Ginhikari Not (5.7) Not (4.9) - 1
Facility detectable detectable
Aquaculture Maebashi Rainbow Not (5.7) Not (4.8) - 1
Facility trout detectable detectable
Aquaculture Shibuka Rainbow Not (6.6) Not (7.4) - 3
Facility wa trout detectable detectable
Aquaculture Shibuka Whitespo Not (5.9) Not (9.5) - 3
Facility wa tted char detectable detectable
Aquaculture Shibuka Rainbow Not (8.2) Not (7.2) - 3
Facility wa trout detectable detectable
Aquaculture Shibuka Ginhikari Not (5.4) Not (5.5) - 2
Facility wa detectable detectable
Aquaculture Kawaba Ginhikari Not (4.3) Not (4.7) - 2
Facility detectable detectable
Aquaculture Kawaba Whitespo Not (4.7) Not (5.4) - 2
Facility tted char detectable detectable
Aquaculture Maebashi 10 Rainbow Not (6.1) Not (4.9) - 1
Facility April trout detectable detectable
Aquaculture Maebashi Whitespo Not (5.5) Not (5.3) - 1
Facility tted char detectable detectable
Aquaculture Maebashi Land-lock Not (6.9) Not (6.3) - 2
Facility ed salmon detectable detectable
Aquaculture Maebashi Rainbow Not (6.2) Not (6.2) - 1
Facility trout detectable detectable
Aquaculture Kiryu Ginhikari Not (4.0) Not (4.9) - 2
Facility detectable detectable
Aquaculture Kiryu Whitespo Not (4.5) Not (5.3) - 2
Facility tted char detectable detectable
Aquaculture Kiryu Land-lock Not (4.5) Not (4.9) - 2
Facility ed salmon detectable detectable
Aquaculture Midori Rainbow Not (5.5) Not (5.1) - 2
Facility trout detectable detectable
Aquaculture Katashin 11 Whitespo Not (4.7) Not (4.5) - 2
Facility a April tted char detectable detectable
Aquaculture Katashin Rainbow Not (5.1) Not (4.5) - 2
Facility a trout detectable detectable
Aquaculture Katashin Land-lock Not (4.3) Not (4.4) - 2
Facility a ed salmon detectable detectable
Aquaculture Katashin Rainbow Not (7.0) Not (6.0) - 2
Facility a trout detectable detectable
Aquaculture Katashin Whitespo Not (6.5) Not (7.6) - 2
Facility a tted char detectable detectable
Aquaculture Katashin Rainbow Not (6.7) Not (6.3) - 2
Facility a trout detectable detectable Aquaculture Katashin Ginhikari Not (5.7) Not (6.1) - 2
Facility a detectable detectable
Aquaculture Numata Land-lock Not (5.5) Not (5.8) - 2
Facility ed salmon detectable detectable
Aquaculture Numata Whitespo Not (5.3) Not (5.4) - 4
Facility tted char detectable detectable
Aquaculture Numata Rainbow Not (6.1) Not (5.0) - 4
Facility trout detectable detectable
Aquaculture Shibuka Rainbow Not (6.2) Not (5.0) - 4
Facility wa trout detectable detectable
Aquaculture Shibuka Ginhikari Not (6.6) Not (5.7) - 4
Facility wa detectable detectable
Aquaculture Higashi- 12 Land-lock Not (6.0) Not (6.5) - 2
Facility agatsuma April ed salmon detectable detectable
Aquaculture Higashi- Whitespo Not (7.0) Not (6.2) - 2
Facility agatsuma tted char detectable detectable
Aquaculture Fujioka Land-lock Not (4.1) 4.9 (4.3) 4.9 2
Facility ed salmon detectable
Aquaculture Fujioka Whitespo Not (4.5) Not (4.3) - 2
Facility tted char detectable detectable
Aquaculture Kanra Rainbow Not (5.0) Not (5.8) - 2
Facility trout detectable detectable
Aquaculture Kanna Land-lock Not (5.2) Not (4.4) - 2
Facility ed salmon detectable detectable
Aquaculture Kanna Ginhikari Not (4.1) Not (6.0) - 2
Facility detectable detectable
Aquaculture Tsumagoi Rainbow Not (4.3) Not (5.5) - 2
Facility trout detectable detectable
Aquaculture Tsumagoi Whitespo Not (4.5) Not (5.1) - 2
Facility tted char detectable detectable
Aquaculture Tsumagoi Whitespo Not (5.6) Not (5.7) - 2
Facility tted char detectable detectable
Aquaculture Tsumagoi Ginhikari Not (4.7) Not (5.3) - 2
Facility detectable detectable
Aquaculture Tsumagoi Rainbow Not (6.4) Not (6.3) - 2
Facility trout detectable detectable
Aquaculture Tsumagoi Whitespo Not (7.7) Not (6.6) - 2
Facility tted char detectable detectable
Aquaculture Tsumagoi Whitespo Not (7.4) Not (7.1) - 2
Facility tted char detectable detectable
Aquaculture Tsumagoi Ginhikari Not (6.6) Not (5.0) - 2
Facility detectable detectable
* Analysis facility 1 Japan Chemical Analysis Center 2 IDEA Consultants, Inc. 3 Mizuken, co. Ltd 4 Tohoku Ryokka Kankyohozen
* New regulation value for fish Radioactive cesium (total of Cs-134 and Cs-137): 100 Becquerel/kg
*Not detectable means that radioactivity is below the detection limit of the detector