"Where there's smoke, there's fire!" A saying that also makes sense the other way around. If this smoke comes from the chimney of an industrial plant, emotions often run high.

Of course: because exhaust gases contain pollutants. And some of these still end up in the air—despite all the technical filter systems. But there's no need to worry.

Firstly, the legislator regulates what may be contained in the smoke clouds (keyword: Immission Control Act). And secondly, we have set ourselves the goal of exceeding these guidelines. Don't believe us? Take a look at the attached tables and see for yourself.