Rule 1146.2 - Emissions of Oxides of Nitrogen from Large Water Heaters and Small Boilers and Process Heaters

A table listing equipment certified by the South Coast Air Quality Management District (South Coast AQMD) as compliant with the requirements of Rule 1146.2 is available here (XLSX, 66 kb) (Last Update 12/20/24).

Note: The South Coast AQMD does not endorse or warrant any specific product or manufacturer.

Contact: Team R1 Hotline at (909) 396-3221.