Stack Testing & Air Emissions Services

Comprehensive Stack Testing for Compliance and Performance Insight

We provide comprehensive stack testing and air emissions measurement services designed to support regulatory compliance, emissions characterization, and control device performance. Our experienced team performs source emissions testing in accordance with EPA reference methods and industry best practices, providing accurate, defensible data you can trust.

What sets us apart is our integration of environmental regulatory consulting and Continuous Emissions Monitoring Systems (CEMS) expertise into every stack testing program. By combining real-time monitoring insight with deep regulatory knowledge, we help clients not only measure emissions but also interpret results, validate system performance, and align testing with long-term compliance strategies.

Stack testing plays a critical role in measuring pollutants emitted from industrial stacks, vents, and process exhaust systems. Our services enable facilities to demonstrate compliance with federal and state air regulations while evaluating process efficiency and the effectiveness of air pollution control equipment.

With a focus on precision, reliability, and actionable results, we help clients better understand their emissions profile, optimize performance, and make informed operational and compliance decisions.

Compliance & Performance Stack Testing
- Compliance testing for NSPS, NESHAP, and permit performance standards
- Initial and periodic compliance performance testing
- Startup, commissioning, and post-control device performance testing
- Engineering and investigative test programs to diagnose emissions issues
- Control device performance testing and optimization (scrubbers, oxidizers, baghouses, ESPs, catalysts)
- Emissions characterization for process vents and combustion systems
Gaseous Pollutant Testing
- Measurement of combustion gases including NOx, SO₂, CO, CO₂, and O₂
- VOC and speciated organic compound testing
- Hazardous air pollutant (HAP) testing
- Reduced sulfur compound analysis
- Formaldehyde and other regulated gas‑phase pollutants
Particulate, Metals & Wet Chemical Sampling
- Filterable particulate matter (PM)
- Condensable particulate matter
- PM10 and PM2.5 sampling
- Metals including mercury
- Acid gas sampling (HCl, HF, ammonia)
- Dioxins and furans sampling
- Low‑level particulate matter measurement
Advanced Gas Analysis (FTIR)
- Fourier Transform Infrared Spectroscopy (FTIR) for multi‑gas analysis
- Real‑time measurement of VOCs, HAPs, and greenhouse gases
- Simultaneous detection of multiple compounds
- High‑sensitivity measurement for complex emissions streams
Continuous Emissions Monitoring System (CEMS) Testing
- Relative Accuracy Test Audits (RATA) for CEMS verification
- Performance specification testing for emissions monitoring systems
- Monitoring system certification and recertification testing
Specialty Testing Programs
- PFAS emissions sampling
- Ethylene oxide and ultra‑low level toxics testing
- Dilution‑based particulate sampling methods
- Speciated VOC testing using direct‑interface gas chromatography
Data Analysis & Regulatory Reporting
- Emission rate calculations and compliance determinations
- Quality assurance and data validation
- Preparation of regulatory stack testing reports
- Documentation for agency submissions
- Technical interpretation of emissions testing results

Stay Ahead of Compliance Requirements

Ensure your facility meets regulatory standards with reliable stack testing and expert reporting.