R307-315-1
R307-315-1. Purpose
Cite as Utah Admin. Code R307-315-1
Rule R307-315 establishes maximum emission thresholds for the emissions of oxides of nitrogen (NOx) and carbon monoxide (CO) for new or modified natural gas-fired boilers with a total rated heat input of at least 2.0 million British Thermal Units per hour (MMBtu/hr) and not more than 5.0 MMBtu/hr.