306. The following activities are exempted from authorization pursuant to this Division:(1) the installation and operation of an apparatus or equipment intended to prevent, abate or stop the release of contaminants into the atmosphere on a vehicle, aircraft, ship, locomotive or any motorized watercraft;
(2) the installation and operation of an apparatus or equipment intended to prevent, abate or stop the release of contaminants into the atmosphere(a) from any temporary power station referred to in paragraph 4 of section 96;
(b) from any fuel burning equipment or stationary internal combustion engine referred to in section 307;
(3) the installation and operation of an apparatus or equipment intended to prevent, abate or stop the release of contaminants into the atmosphere that is used incidentally to an activity covered by a declaration of compliance or exempted.