Do I have pressure-treated sill? (pictures)

[Dsl]

Renovating the interior wall and as usual this does not involve full-scale plastering and painting, but in this case the removal of everything down to the wind barrier, new insulation, as well as new electrical + more insulation in the installation layer.

I see that the sill is clearly greenish. There is a lovely constructed frame on an uninsulated concrete slab. The house was built in '58.

The question is whether my sill is pressure-treated or if the green color comes from something else,

 

[huggan]

It is likely to be pressed, though it is very dry and fine. It is when they are moist that they start to smell.

 

[s97danl]

Or it is ordinary wood that is treated with the now banned Creosote Cuprinol or perhaps Copperol.

 

[Dsl]

It is dry and nice, yes. Some stains because the window above leaked, but I absolutely don't smell anything when I poke around there. Probably because a loop of steel pipes runs inside directly from the main pipe for the radiators, so it always supplies some heat.

I have googled but have difficulty finding much about alternative treatments. So I'll have to continue assuming that it is pressure-treated.

 

[anaitis]

Probably not pressure-treated.
That method was very uncommon in 1958.
I guess something cuprinol-like