Montrose’s Air Quality Services division is the nation’s largest provider of air compliance and testing services. With a dedicated commitment to personalized collaboration and multiple office locations throughout the U.S., our technical expertise affords us the opportunity to conduct highly successful programs throughout the regulatory, energy, research and industrial communities. Montrose offers an innovative group of professionals in several air quality disciplines.

We continue to provide reliable and timely environmental data, gathered using the highest technical and ethical standards, and with the least interruption to our client’s business goals. Included below is a detailed listing of our capabilities.


Air Toxic Contaminants & HAPs Testing

  • California AB 2588
  • Clean Air Act, Title III MACT
  • ICR Test Programs
  • Toxics Assessment Inventory
  • Test Method Evaluation
  • HAPs Characterization
  • BIF Testing
  • Boiler MACT
  • EPA ERT Reporting

CEMS Certification and Auditing

  • RATA, RAA, CGA, FAT, Linearity
  • 40 CFR, Parts 60 and 75 Testing
  • Predictive Emissions Monitoring (PEMS)
  • Alternative Monitoring Systems (AMS)
  • RICE MACT Testing
  • Quality Assurance Plans
  • CEMS Problem Diagnosis
  • Temporary CEMS

Combustion Engineering & Emissions Profiling

  • Emissions Profiling
  • Fuel Analyses
  • Process Optimization
  • Fuel to Air Ratios
  • NMOC Speciation
  • 3-D Flow Profiling
  • Engineering Studies
  • Performance Guarantee Testing

Diagnostic Performance Testing

FTIR Spectroscopy Services

Meteorological and Ambient Air Monitoring

  • Siting Analysis and Instrument Specifications
  • Net Working and Remote Communications
  • Quality Assurance and Quality Control
  • Field Performance and System Audits
  • Complete Maintenance, Operations and Documentation
  • Data Acquisition, Validations and Reporting
  • Data Hosting – Web Based
  • Meteorological, Particulate and Air Chemistry Parameters
  • Instrumentation and Control

Particulate Matter Experts

  • PM10 and PM2.5
  • Particle Size Distribution
  • Visible Emissions
  • Detached Plume Problems
  • Condensable Headaches
  • Ambient Monitoring
  • Ultra-Low Concentrations

Power Plant Commissioning Test Programs Regulatory Compliance Testing

  • Thousands of Tests Performed
  • Ultra-Low Emissions Measurement
On-Site Gaseous Emissions Results
  • On-Site Wet-Chemistry Results
  • Emission Factor Verification
  • Port Placement Procedures
  • Hazardous Waste Trial Burns

SCR and SNCR Optimization Expertise o Ammonia Injection Balancing

  • Ammonia Injection Balancing
  • CO Catalyst Efficiency
  • Temperature Profiling
  • Flow Rate Profiling
  • Multiple Locations Simultaneously Leak Detection and Repair

Leak detection and Repair

  • Tagging and Inventory
  • Optical Imaging
  • Tank Seal Inspections
  • DOT Pipeline Inspections
  • GHG Inspections
  • Sampling and Analysis
  • Safety Training
  • Data Management