4-6-9: MINIMUM STANDARDS FOR CLEAN BURNING APPLIANCES:

   A.   In no event shall the standards for clean burning solid fuel heating appliances allow a weighted average particulate emission greater than:

      1.   For a new clean burning solid fuel heating appliance with a minimum heat output of less than forty thousand (40,000) BTU per hour and tested pursuant to procedures approved by the building department:

         a.   Seven and five-tenths grams (7.5 g) per hour for a noncatalytic solid fuel heating appliance.

         b.   Four and one-tenth grams (4.1 g) per hour for a catalytic solid fuel heating appliance.

      2.   Clean burning solid fuel heating appliances with a minimum heat output of greater than forty thousand (40,000) BTU per hour shall not exceed an average particulate emission standard equal to the sum of eight grams (8.0 g) per hour plus two- tenths gram (0.2 g) per hour for each one thousand (1,000) BTU per hour heat output.

      3.   For any solid fuel heating appliance officially exempted by the environmental protection agency from the above requirements. (Ord. 245, 5-10-1994)