Why? Lead solder doesn't evaporate. The risk was always in recycling and maybe eating without having washed your hands. But you don't breathe in the solder, only the flux (which is even more toxic in lead-free solder applications).

we had overhead vacuum suction on all the terminals in the training environment. On the sub, not so much, but if you’re soldering^ underway, it’s because shit has hit the fan so badly that a bit of lead inhalation is the least of your worries.

edit: if you’re ^soldering *Nuke* stuff underway, it’s because things have hit the fan, and that’s the whole point of ETMS. Other rates also solder underway and might also use (did use) lead, and perhaps none of our inhalation was warranted.