3 ms·

For context, at 1.2 mSv (120 millirem), it puts it about the same as the normal annual radiation number for the public (1.0 mSv) and less than a head CT scan (2

• QuarterReptile 4y ago
  For context on your context, the concern here is not acute dosage, but rather chronic low levels that can lead to significant accumulated dose. Occupational standards are done on a linear-no-threshold basis that assumes all radiation exposure increases the risk of cancer, despite areas of high background radiation often having comparable or even lower cancer incidence. It makes sense that you don't let employers say 'no, we made him cancer resistant with that exposure!' But, it leads to stuff like this. 1mSv is the limit for annual non-radiation worker occupational exposure, but that's because it's pretty feasible to set a really low number threshold, have almost no one reach those levels, and deal with exceptions as they come. Easy, from OSHA/EPA standards, but obviously not for these guys. Also, EPA figures suggest 6mSv annually, and I remember learning 3mSv. In any case, it's significantly less radiation than you get from smoking, which I find not to be too uncommon where I take my cars. https://www.epa.gov/radiation/radiation-sources-and-doses https://www.epa.gov/radiation/radiation-sources-and-doses