Exhaust Emissions Testing and Certification

  • 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).

  • engine emissions certification