Module 1-Chapter 2: Pre-Viewing Brainbuilder

Looking for Isotopes

International Atomic Energy Agency

You are an IAEA inspector who has just issued one of your regular reports to the public on the current status of the Fukushima Daiichi Nuclear Power Plant, including information on environmental radiation monitoring, the status of workers, and current conditions on-site at the plant.

Your report can be found online:

Fukushima Daiichi Status Report
27 April 2012

Your job is to answer questions from the media at a press conference, using the information in the report. That means your answers should be concise (not too long) and accurate.

To prepare for the press conference, scan the report for information that will answer the media’s questions, below.

Then report your findings to your mentor.

International Atomic Energy Agency

  1. What sources did you use to compile your report?
  2. What is the status of onsite air concentration measurements for I-131, Cs-134, and Cs-137 in seawater, soil and air? [not specific measurements, but general trends]
  3. We understand that the plant operators have brought the reactors into a “cold shutdown condition.” What does “cold shutdown” mean?
  4. What is the change in radionuclide samples from the spent fuel pools between May 8/ July 7 2011 and January/March 2012? [general trends]
  5. What do analytical results of food monitoring indicate regarding Cs-134 and Cs-137?
  6. What is the general condition of the spent fuel pools and what are the implications for the defueling operation?

Use the Radiation Dictionary from the Centers for Disease Control and Prevention

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