title: Evidence of 131I and (134,137)Cs activities in Bordeaux, France due to the Fukushima nuclear accident.
abstract: Following the Fukushima nuclear accident, low-background gamma spectrometry measurements were performed with HPGe detectors at the PRISNA platform located at the CENBG laboratory in Bordeaux, France. Different kinds of samples were collected and measured between March 26 and May 14, 2011. The first fission product observed was (131)I with maximum activity values of 2.4 mBq/m(3) in atmospheric dusts in air, 3.5 Bq/L in rain water, 15 Bq/kg in grass and 0.9 Bq/L in cow milk. The (134,137)Cs isotopes were also detected in air and in grass at a maximum level of 0.2 mBq/m(3) and 0.7 Bq/kg respectively, around one order of magnitude less than (131)I activity, but they were below detection limits in the other samples. All these activity values were consistent with others measured in France by IRSN and were well below those reported in May 1986 after the Chernobyl accident.
authors.affiliation: CNRS/Université de Bordeaux, CENBG (Centre d'Etudes Nucléaires de Bordeaux-Gradignan), Chemin du Solarium, Le Haut-Vigneau, BP 120, UMR 5797, F-33175 Gradignan, France. fperrot@cenbg.in2p3.fr
authors.forename: F
authors.initials: F
authors.lastname: Perrot
authors.forename: Ph
authors.initials: P
authors.lastname: Hubert
authors.forename: Ch
authors.initials: Ch
authors.lastname: Marquet
authors.forename: M S
authors.initials: MS
authors.lastname: Pravikoff
authors.forename: P
authors.initials: P
authors.lastname: Bourquin
authors.forename: H
authors.initials: H
authors.lastname: Chiron
authors.forename: P-Y
authors.initials: PY
authors.lastname: Guernion
authors.forename: A
authors.initials: A
authors.lastname: Nachab
mesh_terms: D000818:Animals; D002588:Cesium Radioisotopes / Q000032:analysis*; D004391:Dust / Q000032:analysis; D005507:Food Contamination, Radioactive / Q000032:analysis; D005602:France; D062406:Fukushima Nuclear Accident; D007457:Iodine Radioisotopes / Q000032:analysis*; D007564:Japan; D008892:Milk / Q000737:chemistry; D006109:Poaceae / Q000737:chemistry; D011834:Radiation Monitoring; D011848:Radioactive Pollutants / Q000032:analysis*; D011891:Rain / Q000737:chemistry
chemical_list: D002588:Cesium Radioisotopes; D004391:Dust; D007457:Iodine Radioisotopes; D011848:Radioactive Pollutants