Utah Admin. Code 307-335-8Download PDFCurrent through Bulletin No. 2024-21, November 1, 2024Section R307-335-8 - Add-on Emission Control Systems Operations (Repealed)Utah Admin. Code R307-335-8Amended by Utah State Bulletin Number 2014-24, effective 12/1/2014Repealed by Utah State Bulletin Number 2017-22, effective 10/29/2017