--- In STMFC@yahoogroups.com, Anthony Thompson <thompson@...> wrote:
Sound advice, because there are things like antimony in the
lead
that aren't good for you. But should you worry about the lead? In reality, the vapor pressure of liquid lead is extremely low. There
will
not be enough lead vapor that it could even be measured, unless you have a spectrograph. (Of course, I don't recommend leaning over the bath and breathing deeply from right above the melt.)
I have heard that most lead (at least in Germany) is somewhat contaminated by irradiation. Lead gets recycled many times over. Every bit might have a history of having been engaged in the medical business. This will show later on when its reincarnation into something superficially harmless doesn't hint at its properties previously acquired.