SOURCE: Breaking News: The measurement of plutonium was abandoned in Japan, Fukushima Diary by Mochizuki, October 3, 2011:
At the press conference of TEPCO and related ministries of Japanese government, Ministry of Education, Culture, Sports, Science and Technology stated they will not measure plutonium anymore.
The measurement of plutonium was abandoned in Japan. [...]
Measurement of plutonium is almost impossible for normal people with normal equipment because it only emits alpha ray. Your Geiger counter hardly catches it.
Videos of Oct. 3 press conference in Japanese only
Published: October 4th, 2011 at 9:55 am ET