Unfortunately not captured.
Again this depending of how to he nuclear plant has been engineered.
Based on the ref below (in French) Up to 2000 kg can be released each year.
https://www-boursorama-com.cdn.ampproject.org/c/s/www.bourso...
Based on the ref below (in French) Up to 2000 kg can be released each year.
https://www-boursorama-com.cdn.ampproject.org/c/s/www.bourso...
According to the Intergovernmental Panel on Climate Change, SF 6 is the most potent greenhouse gas that has been evaluated, with a global warming potential of 23,900 times that of CO 2 when compared over a 100-year period.[37] Sulfur hexafluoride is inert in the troposphere and stratosphere and is extremely long-lived, with an estimated atmospheric lifetime of 800–3,200 years.