1. a) To 10 ppm equivalent methane (molecular weight 16.0) or less; or,
2. b) By combustion in a smokeless flare; or,
3. c) By other air pollution control equipment approved by the Agency according to the provisions of 35 Ill. Adm. Code 201.

No person shall cause or allow the emission of organic material into the atmosphere from any vapor blowdown system or any safety relief valve, except such safety relief valves not capable of causing an excessive release, unless such emission is controlled: