Lots of information about radiation levels are available. But at
first glance, these data seem incomprehensible to anyone who
didn’t have an advanced degree in nuclear physics . Here is a
simple tutorial to calculate the biological impact of a given
radiation exposure. - Pick up your radiation measurement source
: - Tsukuba 1 - Tsukuba 2 - Tokyo (Hongo, Komaba, Kashiwa) -
Tokyo (Shinjuku) - Average Japan by area - Crowd-sourced from
all over Japan - If the measure is in microsievert per hour
(uSv/h), divide by 1000. You obtain a value in millisievert per
hour (mSv/h). - Multiply by the time of exposure in hour. You
obtain a value in millisievert (mSv). - Calculate the biological
impact of the exposition to the radiation with the chart below.
- We take average value for Tokyo area (line 13) given by
Japanese government on March 17th : 0.05 uSv/h. - We divide by
1000 : 0.05/1000 = 0.00005 mSv/h. - The time of exposure is 24
hours so we multiply by 24. 0.00005*24 = 0.0012 mSv. If we
multiply this value by 365 to