How to allow pop-ups from this site: Mozilla Firefox

1. Select Tools from the top toolbar.
2. Select Options from the menu.
   
3. Select Web Features from the choices on the left.
   
4. Click the Allowed Sites button.
5. Type oaspub.epa.gov into the "Address of web site" text box.
   
6. Click on Allow.
   
7. Click on OK in the Allowed Sites window.
8. Click on OK in the Options window.