Fukushima radiation data is wildly wrong, management apologizes

FROM: TIMES OF INDIA

NEW DELHI: Tepco, the utility company that is managing the destroyed Fukushima nuclear power plant in Japan said that there were mistakes in the radiation levels they recorded last year. According to Japanese media, Tepcoannounced last week that what was recorded as 900,000 becquerels per liter of deadly beta radiation from a test-well last July was wrong andthe actual level should read 5 million becq per liter. That's five times more than what they announced previously, and nearly 170,000 times more than the permissible level. 

Tokyo Electric Power Co. said on 7 February that it will review a "massive" amount of radiation data it has collected at the crippled Fukushima Daiichi nuclear power plant because readings may be lower than actual figures due to improper measurement. 

"We are very sorry, but we found cases in which beta radiation readings turned out to be wrong when the radioactivity concentration of a sample was high," TEPCO spokesman Masayuki Ono told a press conference, according to Kyodo News. 

Beta rays are high speed electrons that penetrate living matter with ease and can cause several types of cancer and death. These lethal rays are emitted from various radioactive materials, but mainly from Strontium-90, which is a by-product of reactions occurring in nuclear power plant reactors. 
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Unit 4 Completion Status as of 2/10/14 (20% Completed)

Completion status of transfer from Unit 4 to Common Pool

• ◯Breakdown of transferred assemblies by kind
  Spent fuel286 assemblies/1,331 assemblies
  Unirradiated (New) fuel22 assemblies/ 202 assemblies
• ◯Number of times of cask transportation:
  14 times

as of Feb.10,2014