NORTH COAST UNIFIED AIR QUALITY MANAGEMENT DISTRICT
Chapter VI. PERMIT CONTENT
Rule 675 ALTERNATIVE OPERATING SCENARIOS
Where a responsible official requests that an alternative operating scenario be included in the permit for an emissions
unit, a permit issued pursuant to Regulation 5 shall contain specific conditions for each operating scenario, including
each alternative operating scenario. Each operating scenario, including each alternative operating scenario, identified
in the permit must all applicable federal requirements and all of the requirements of this section. Furthermore,
the source is required to maintain a contemporaneous log to record each change from one operating scenario to another.
[Reference: 40 CFR 70.6(a)(9)]