Radioactive Materials found in Elasmobranchs in Fukushima Japan

Results of the inspection on radioactive materials in fisheries products (Aug 2011)

Radioactive Caesium (Bq/kg) : Provisional regulation value for fish – Radioactive caesium: 500 Bq/kg

Radioactive Ｉodine (Bq/kg) : Provisional regulation value for fish – Radioactive iodine: 2000 Bq/kg

Results for Elasmobranch Species :

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 26 July, 2011
Species: Ocellate spot skate (Okamejei kenojei )
Radioactive Caesium (Bq/kg): 1200
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 1 August, 2011
Species: Ocellate spot skate (Okamejei kenojei )
Radioactive Caesium (Bq/kg): 400
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 1 August, 2011
Species: Ocellate spot skate (Okamejei kenojei )
Radioactive Caesium (Bq/kg): 85
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 1 August, 2011
Species: Ocellate spot skate (Okamejei kenojei )
Radioactive Caesium (Bq/kg): 640
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 26 July, 2011
Species: Starspotted smooth-hound (Mustelus manazo)
Radioactive Caesium (Bq/kg): 53
Radioactive Iodine (Bq/kg): Not detectable

Origin: Mimami-soma City, Fukushima Prefecture.
Sampling Date: 1 August, 2011
Species: Ocellate spot skate ( Okamejei kenojei )
Radioactive Caesium (Bq/kg): 147
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 8 August, 2011
Species: Spiny dogfish(Squalus acanthias)
Radioactive Caesium (Bq/kg): 62
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 8 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 144
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 8 August, 2011
Species: Starspotted smooth-hound (Mustelus manazo)
Radioactive Caesium (Bq/kg): 46
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 11 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 1070
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 11 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 930
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 11 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 310
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 11 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 250
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 11 August, 2011
Species: Starspotted smooth-hound(Mustelus manazo)
Radioactive Caesium (Bq/kg): 103
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 17 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 420
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 17 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 350
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 17 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 530
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 17 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 380
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 17 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 690
Radioactive Iodine (Bq/kg): Not detectable

Origin: Shinchi Town, Fukushima Prefecture.
Sampling Date: 22 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 204
Radioactive Iodine (Bq/kg): Not detectable

Origin: Iwaki City, Fukushima Prefecture.
Sampling Date: 29 August, 2011
Species: Ocellate spot skate(Okamejei kenojei )
Radioactive Caesium (Bq/kg): 510
Radioactive Iodine (Bq/kg): Not detectable

Origin: Soma City, Fukushima Prefecture.
Sampling Date: 29 August, 2011
Species: Spiny dogfish (Squalus acanthias)
Radioactive Caesium (Bq/kg): 44
Radioactive Iodine (Bq/kg): Not detectable

Source: Japanese Fisheries Agency.