Air Pollution Control Act Enforcement Rules Article 22
Exhaust pipes designated in Article 32, paragraph 2 of this Act shall comply with one of following conditions.1. Those sampling facilities established in accordance with regulations; those unable to establish sampling facilities must submit to the special municipality, county or city competent authority for approval2. Those not required to establish sampling facilities in accordance with regulations"Not emitted through an exhaust pipe" designated in Article 32, paragraph 2 of this Act means the collection and emission of pollutants into the atmosphere without the installation of exhaust pipes or exhaust pipes not in compliance with the circumstances in one of the subparagraphs of the foregoing paragraph.