Trusted Source for Environmental Testing Since 1979
From emissions testing to landfill well monitoring to fenceline monitoring: ESS has your environmental testing needs covered
Partners in Industrial Environmental Maintenance
ESS’ environmental maintenance contracts can help your facility with anything from CEMS maintenance to leak checks and tuning
Global Solution Provider
With offices across the globe, our multilingual staff is ready to assist
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Our Services

ESS is a full-service environmental consulting agency specializing in the measurement and control of air pollutants since 1979. With offices across the globe, our multilingual staff can help you tackle even your most challenging environmental concerns. Our international insights give ESS the industry edge, allowing us to adapt to a changing industrial landscape.

Air Quality Measurement & Engineering

  • Emissions Testing
  • Ambient Air Monitoring
  • Indoor Air & Industrial Hygiene
  • Remediation
  • Forensic Analysis
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Industrial Maintenance & Tuning

  • CEMS/CAMS Integration & Maintenance
  • Boiler Tuning
  • Part 60 & Part 75 Audits
  • Opacity Audits
  • LDAR
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Environmental Program Reporting

  • ERT & CEDRI Reporting 
  • ECMPS XML EDDs
  • e-GGRT
  • CEMS Monitoring Plan Review 
  • Third-Party Stack Test Report Review

Industry News

New Green House Gas Reduction Goals

During the recent virtual Leaders Summit on Climate, President Biden announced his goal to cut greenhouse gas (GHG) emissions by 50-52% from 2005’s levels by the year 2030. This more than doubles the previous US goals set in 2015 to cut emissions by 26-28% by the year 2025.

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Modern Waste-to-Energy

From recovery units in North Carolina landfills to elephant litter in Kentucky, ESS has experience with testing various technologies for converting waste-to-energy (WTE). ESS has tested multiple types of gasification units fired with chicken, pig, and elephant litter as well as shipboard units fired with trash.

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PFAS from Stationary Sources by OTM-45

The EPA is leading the national effort to understand PFAS and reduce PFAS risks to the public through implementation of its PFAS Action Plan and through active engagement and partnership with other federal agencies, states, tribes, industry groups, associations, local communities, and the public.

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Fenceline, Ambient, and Indoor Air Monitoring

ESS has been proudly supporting global air concerns by conducting routine tests around the world for the United Nations and World Health Organization. From fenceline monitoring in Haiti to LEED certification in Vietnam ESS has the knowledge base on international air methods and regulations.

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Industries Served