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Memorandum
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This day was a terribly hot. In spite of a hot weather, many people were
playing in the park: Many children were playing in the water around the
fountain at the bottom of the park, some boys were skateboarding at the
square where monitoring post was set, and several boys were playing at
the top park.
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Some birds were singing in the hot weather.
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The monitoring post near the site showed 0.170 μSv/h. (right picture)
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