Stationary Engine Testing

Erthwrks utilizes dedicated and specialized mobile laboratories for stationary engine compliance testing for state and federal requirements for the pipeline industry. Serving the natural gas and oil products pipelines in upstream, midstream and downstream facilities, Erthwrks is well versed in all the complex regulations governing the various engines and turbines utilized for compression and transmission. Erthwrks prides itself on providing the highest level of service, accuracy, and efficiency when it comes to stationary engine testing. Our specialized mobile laboratories utilize onboard generators that enable our expert test teams to arrive on-site with all equipment warmed up and ready for testing. Erthwrks staff often completes testing on multiple units per day and provides real-time, on-site preliminary results to our clients on the success of the test. Whenever applicable, Erthwrks uses our FTIR equipped laboratories to provide comprehensive results of the emissions from engines and turbines.

40 CFR Part 60 Subpart JJJJ – NOx, CO, and VOC testing

Pre and Post Catalyst testing for pollutant reduction usually via 40 CFR Part 63 Subpart ZZZZ – Formaldehyde (HCOH) and CO reduction efficiency

Permit by Rule/Source Performance Guarantees

  • Every state and sometimes every source has specific guidelines
  • Examples of this are:
    • Quarterly monitoring via portable analyzer
    • TCEQ 106.512 compliance testing
  • 40 CFR Part 60 Subparts KKKK – Turbine Compliance Testing
  • 40 CFR Part 60 Subparts GG – Turbine Compliance Testing

Erthwrks pipeline testing team uses a variety of testing methods to provide results in the ways that best serve our clients:


    Serving various industries worldwide, Erthwrks provides professional environmental air emissions testing audits (stack testing) and consulting services.