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

Our Services

ESS is a full-service environmental consulting agency specializing in environmental air testing and control 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 / Stack Testing
  • Environmental Air Testing
  • Ambient Air Monitoring
  • Indoor Air & Industrial Hygiene
  • Remediation
  • Forensic Analysis

Industrial Maintenance & Tuning

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

Environmental Program Reporting

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

Industry News

LEED Indoor Air Quality Assessments

ESS assists LEED builders and property owners globally by providing Air testing utilizing EPA, ISO and ASTM methodologies and Blower Door testing in accordance with ANSI/ASTM-E779-03 Standard test method for determining air leakage rate by fan pressurization.

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Industries Served