Research note（Version 2 also for reprocessing plants in UK, France and Japan） NPP of South Korea and China released into the environment at least ten times the toritium radioactivity intensity compared with the Fukushima site

The calculated production of each type of radioactivity for 1 GW PWR and BWR for one year is given in US Atomic Energy Commission report WASH-1209 (1973). Among them, the amount of tritium produced is by three orders of magnitude greater.