Measurement results of radiation doses in the air / Measurement results of radiation doses in the air at 1 meter above the ground (Shinjuku)

Survey Period : May 2011 to March 2017
Measuring instrument : TCS-166 (scintillation survey meter) manufactured by Hitachi Aloka Medical
Time constant : 30 seconds
Measurement method : Average of five repeat measurements
The sampling and measurement are conducted at the Tokyo Metropolitan Institute of Public Health (Hyakunin-cho, Shinju-ku, Tokyo).