[Surveillance of radioactive cesium in domestic foods on the Japanese market (Fiscal Years 2012 and 2013)].
We surveyed the concentration of radioactive cesium in foods purchased at markets in areas where possible contamination has been a concern after the Fukushima accident. In fiscal years 2012 and 2013, we surveyed 1,735 and 1,674 foods, respectively, using a NaI (Tl) scintillation spectrometer for the screening test and a γ-ray spectrometer with a germanium semiconductor detector for the final test. Only 3 and 4 samples (0.2% of our total samples) exceeded the regulatory limit (100 Bq/kg) for radioactive cesium in fiscal years 2012 and 2013, respectively. Our surveillance indicates that the pre-shipment monitoring of foods by local governments has been working effectively.
National Institute of Health Sciences.
Yoshinori
Y
Uekusa
Hiromi
H
Nabeshi
Rika
R
Nakamura
Tomoaki
T
Tsutsumi
Akiko
A
Hachisuka
Rieko
R
Matsuda
Reiko
R
Teshima
D002588:Cesium Radioisotopes / Q000032:analysis*; D005504:Food Analysis / Q000379:methods*; D005507:Food Contamination, Radioactive / Q000032:analysis*; D062406:Fukushima Nuclear Accident; D007564:Japan; D011834:Radiation Monitoring / Q000379:methods*; D012588:Scintillation Counting / Q000295:instrumentation / Q000379:methods; D013997:Time Factors
D002588:Cesium Radioisotopes