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Memorandum
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The work of the day was decontamination of the U-shaped gutter around the
Information Processing Center. Contaminated soil was removing by shovels,
and claggy soil was removed by a high pressure water jet machine.
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Only two workmen used their masks, however, they only covered their jaws.
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The University authorities informed that "when you pass through the working
area of the decontamination work, you should make detour or should wear a mask."
However, no students who passed through the area wore masks.
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In the recording of voices of passers-by, a female student talked
"Decontaminating,now. Too late."
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