[Zeppo]

The atomic energy agency said the cobalt has an activity of 3,000 curries, or Category 1, meaning "it would probably be fatal to be close to this amount of unshielded radioactive material for a period in the range of a few minutes to an hour."

Some writer or editor doesn't know the difference between hot spices and radioactive materials.

[Nik Naym]

“The atomic energy agency said the cobalt has an activity of 3,000 curries, or Category 1, meaning “it would probably be fatal to be close to this amount of unshielded radioactive material for a period in the range of a few minutes to an hour.”

Some writer or editor doesn’t know the difference between hot spices and radioactive materials. “

Either way, the sentence rings true.