Air Quality

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AIR QUALITY

CRA provides comprehensive air quality services. These services are extensive and focus on delivering cost-effective solutions in a timely manner.  CRA has substantial experience with air quality regulations throughout North America and Europe and in a variety of markets including industrial, commercial, government, and energy sectors.

Ambient Air Quality

• Monitoring programs
• Odor and noise assessments
• Environmental impact analysis
• Dispersion modeling
• Toxic gas release modeling
• Source contribution
• Risk assessment

 

Asbestos Assessment

• Comprehensive surveys
• Preparation of asbestos management plans
• Design and oversight of abatement programs
• Certification of abatement programs

 

Engineering Support

• Control technology design
• Ventilation system design
• Turnkey installations
• Feasibility studies

 

Greenhouse Gas (GHG) Assessment

• GHG inventories
• Reporting, validation, and verification
• GHG reduction alternatives

 

Indoor Air Quality

• Monitoring programs
• Sick building syndrome
• Bioaerosol and mold assessments
• Industrial ventilation assessments

 

Mold Assessments

• Building assessments
• Design and oversight of remediation programs
• Clearance sampling and certification 

 

Noise Assessments

• Abatement programs
• Land use planning
• Indoor assessments

 

Odor Management

• Detailed engineering design for odour control technology and ventilation system
• Compliance source testing
• Field odor monitoring and community impact assessments
• Odor panel evaluation for detection threshold, recognition threshold, odor characterization, and hedonic tone
• Compliance air dispersion modeling 

 

Permitting

• Emission summary and dispersion modeling reporting
• Emission inventories
• Title V permits
• Operation and construction permits
• New source review (NSR) permits
• Prevention of significant deterioration (PSD)
• Permits
• Emission banking and trading
• Acid rain permits

 

Regulatory Compliance

• Air dispersion modeling
• New source performance standards (NSPS)
• Maximum achievable control technology standards (MACT)
• Best available control technology (BACT)
• Lowest achievable emission rate (LAER)
• Risk management plans (RMP)
• Operation and maintenance plans (O&M)
• Start-up, shutdown, and malfunction Plans (SSMP)
• Compliance auditing
• Database management and implementation
• NPRI reporting 

 

Source Testing

• Source testing and monitoring programs
• Process and combustion optimization
• Hazardous waste trial burns
• Continuous emission monitoring systems (CEMS)
• Control equipment efficiency studies
• Predictive emission monitoring systems (PEMS)