Don't know what to expect.
But what is important is that all cylinders are pretty much the same.
It's extremely unlikely that all pistons would die at the same time.
So the actual pressure result doesn't mean much, but the difference between cylinders is crucial.
Oil going into to the turbo inlet is from blowby.
Oil coming out of the turbo unto the intercooler pipes (with none in inlet) means it's the turbo leaking oil