There are millions of old joints done with Boss white and hemp on potable water.
There's no recommendation to remove it, just not to use it in the future.
There's probably still some taps with leather washers and
Tap connectors with asbestos based fibre washers.
The list of "Not now recommended" but Still safe to use is massive.
Lead water pipes.
Mercury based teeth fillings, of which I still got a few.
Aluminium saucepans.
And more that I can't be bothered to think of.
There's no recommendation to remove it, just not to use it in the future.
There's probably still some taps with leather washers and
Tap connectors with asbestos based fibre washers.
The list of "Not now recommended" but Still safe to use is massive.
Lead water pipes.
Mercury based teeth fillings, of which I still got a few.
Aluminium saucepans.
And more that I can't be bothered to think of.