“Synthetic minor source” means a stationary source or area source that has chosen to limit its potential to emit by accepting federally-enforceable permit conditions that restrict any one or more of the following:

1. (a) Hours of operation;
2. (b) Type or amount of material combusted, stored, or processed; or
3. (c) Level of production.

Source. #6057-A, eff 6-30-95; renumbered by #8256 (from Env-A 101.272), (see Revision Note #1 at chapter heading); renumbered by #8304 (see Revision Note #2 at chapter heading); renumbered by #9839 (from Env-A 101.190), (see Revision Note #3 at chapter heading); ss by #13105, eff 9-25-20 (formerly Env-A 101.192) (see Revision Note #4 at chapter heading for Env-A 100)