Ducted and Stack Emissions

Below are examples of exhaust stack configurations to help complete the application form.


 

 

 

 

Is exhaust vertical?

Raincap?

file

Yes

None

file

Yes

Flapper


 

 

 

 

Is exhaust vertical?

Raincap?

file

No

Raincap

file

No

None

Note that non-vertical exhaust configurations and fixed raincaps interfere with pollutant dispersion and may negatively impact health risk assessment results.