Excel Engineering emission testing includes EPA Part 1065 compliant direct gaseous emissions sampling for all regulated criteria emissions pollutants including: THC, NMHC, NOX, and CO.

We also offer analyzers for Green House Gas (GHG) emissions measurements including: CO2, CH4, and N20.

We utilize a Sierra Instruments BG3 with heated sample lines fully capable of transient cycle emissions testing for Particulate Matter (PM).