Original poster: "Teslacoil Workshop" <workshop@xxxxxxxxxxxxx> Guys, Jim is the expert and has spoken: > Microscopically insignificantly small... compared to, e.g., a welder > burning up tig electrodes every week or so. However... All the crap in the air we breathe adds up over time and I'm not going to add to the "background" radiation of my surroundings if I don't have to. Jeff