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Last Updated:December 1, 2014

Results of the inspection on radioactivity level in Raw Milk

In relation to the accident occurred at the nuclear plant in Fukushima Prefecture, relevant prefectural governments have been inspecting radioactive materials in food, including livestock products.

 

Following tables show the summary of the test results by each category of agricultural products since April 1st, 2013 in 17 prefectures to which the Government prescribes to conduct the test※. Specific data of each sample tested is available on the webpage of Ministry of Health, Labour and Welfare (MHLW) (http://www.mhlw.go.jp/english/topics/2011eq/). The concentration of radioactive cesium is quantified by Germanium semiconductor detectors or NaI Scintillation Detectors.

※ Aomori, Iwate, Miyagi, Akita, Yamagata, Fukushima, Ibaraki, Tochigi, Gunma, Saitama, Chiba, Tokyo, Kanagawa, Niigata, Yamanashi, Nagano, and Shizuoka

 

The distribution of raw milk produced in Fukushima and Ibaraki Prefectures exceeding the provisional regulation value were restricted. However,  since the safety of raw milk was comfirmed, the restrictions were cancelled in whole area of Ibaraki and some areas of Fukushima. Hence, raw milk exceeding the provisional regulation value will not be distributed in the domestic market nor will it be shipped for export. In addition, no samples of raw milk, including those from the restricted area, have detected the levels over the regulation values set by the Government of Japan and/or Codex after March 23, as of April 20.
Note: The informations on the cancellation of instruction to restrict distribution of foods can be found on the website of  Ministry of Health, Labour and Welfare (MHLW). The related  information of the MHLW website: http://www.mhlw.go.jp/english/topics/2011eq/index.html

Summary of results

The results of raw milk (April 1st, 2014 - November 30, 2014)  

(Unit : Nnumber of samples)

 

Total number of reported samples 

Within the maximum limit

Above the maximum limit

(>50 Bq/kg)

≤50 Bq/kg (including “Not Detected”) 

Raw milk

1,220

(1,239)

1,220

(1,239)

0

(0)

  ():All Prefecture of Japan

 

The results of raw milk (April 1st, 2013 - March 31, 2014)  

(Unit : Nnumber of samples)

 

Total number of reported samples 

Within the maximum limit

Above the maximum limit

(>50 Bq/kg)

≤50 Bq/kg (including “Not Detected”) 

Raw milk

2,040

(2,052)

2,040

(2,052)

0

(0)

():All Prefecture of Japan

 

 The results of raw milk (April 1st, 2012 - March 31, 2013)  

(Unit : Nnumber of samples)

 

Total number of reported samples 

Within the maximum limit

Above the maximum limit

(>50 Bq/kg)

≤50 Bq/kg (including “Not Detected”) 

Raw milk

2,421

(2,453)

2,421

(2,453)

0

(0)

  ():All Prefecture of Japan 

 

The results of raw milk (April 1st, 2011 - March 31, 2012) 

(Unit : Nnumber of samples)

 

Total number of reported samples  

Within the maximum limit of the provisional regulation

(200 Bq/kg for general foods)

Above the maximum limit

(>200 Bq/kg)

≤50 Bq/kg (including “Not Detected”)

>50 Bq/kg

≤100 Bq/kg 

>100 Bq/kg

≤150 Bq/kg

>150 Bq/kg

≤200 Bq/kg

Raw Milk

1,746

(1,764)

1,746

(1,764)

0

(0)

0

(0)

0

(0)

0

(0)

  ():All Prefecture of Japan 

 

The results of raw milk (March 11, 2011 - March 31, 2011) 

(Unit : Nnumber of samples)

 

Total number of reported samples  

Within the maximum limit of the provisional regulation

(200 Bq/kg for general foods)

Above the maximum limit

(>200 Bq/kg)

≤50 Bq/kg (including “Not Detected”)

>50 Bq/kg

≤100 Bq/kg 

>100 Bq/kg

≤150 Bq/kg

>150 Bq/kg

≤200 Bq/kg

Raw Milk

173

165

7

0

0

1

 

(Reference)

New standard limits for radioactive cesium

New standard limits for radioactive cesium in foods are enforced as of April 1, 2012. Trasitional measures are set for some comodities (rice, beef, soybeen) which needs a certain period of preparation to prevent any confusion in distributionat the time of shift to new standard limits. The related information of the MHLW website: http://www.mhlw.go.jp/english/topics/2011eq/index.html

Drinking Water

10Bq/kg

Milk

50Bq/kg

General Foods
(Including dairy products)

100Bq/kg

Infant Foods

50Bq/kg

 

Provisional regulation value for milk and dayry products in Japan (Up to March 31, 2012)

Radioactive Iodin(Iodine 131)

 300Bq/kg

Radioactive Cesium
(Sum of Cesium 134 and Cesium 137)

200Bq/kg

 

Results tables

 Excel Format (April 1st, 2014 - )(Excel:272KB)

 Excel Format (April 1st, 2013 - March 31, 2014)(Excel:421KB)

 Excel Format (April 1st, 2012 - March 31, 2013)(Excel:461KB)

 Excel Format (April 1st, 2011 - March 31, 2012)(Excel:342KB)

 Excel Format (March 11, 2011 - March 31, 2011)(Excel:63KB)

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