R307-208-3. Visible Emission Standard

Related Notices

Latest version.

  (1) Visible emissions for all outdoor wood boilers shall be limited to a shade or density no darker than 20% opacity as measured by EPA Method 9, except for the following:

  (a) An initial fifteen minute start-up period; and

  (b) A period of fifteen minutes in any three-hour period in which emissions may exceed the 20% opacity limitation for refueling.

                    
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