Radioactivity down to one-fifth of July levels, NHK, August 17, 2011:
[...] The government and TEPCO said on Wednesday that maximum radiation levels around the plant during the past 2 weeks were 200 million becquerels per hour.
This is one-fifth the levels detected in July, and one-10 millionth the levels in mid-March, shortly after the troubles began at the plant.
The state minister in charge of the nuclear crisis, Goshi Hosono, said the maximum reading of 200 million becquerels is just an estimate because the exact emission levels cannot be accurately measured. [...]
Published: August 17th, 2011 at 8:03 pm ET