9VAC5-80-1685. Stack heights

A. The provisions of 9VAC5-50-20 H apply. B. Prior to issuing a permit with a new or revised emission limitation that is based on a good engineering practice stack height that exceeds the height allowed by subdivision 1 or 2 of the GEP definition in 9VAC5-10-20 , the department will notify the public of the availability of the demonstration study specified in subdivision 3 of the GEP definition and will provide opportunity for public hearing on it using the procedures set forth in 9VAC5-80-1775 .