Air Permitting and Compliance
Comprehensive air quality regulatory services, including detailed emissions characterization and air dispersion modeling, that create coherence out of complexity.
Air Quality Permit Planning
- Air Quality Permit Applicability Analyses
- Permitting Strategy and Timeline
- Agency Interfacing
Air Quality Title V Operating Permits
- Initial Title V Permit Applications
- Renewal Title V Permit Applications
- Administrative Permit Amendment
- Minor Permit Modification
- Significant Permit Modification
- Off Permit Changes
- Operational Flexibility
Air Quality Title I Major Permits
- Prevention of Significant Deterioration (PSD)
- Nonattainment New Source Review
- Hazardous Air Pollutant Major Source Preconstruction Review
- Best Available Control Technology (BACT) Analyses
- Best Available Retrofit Technology (BART) Requirements
Air Quality Title I Minor Source Permits
- PSD-Avoidance Limits
- Owner-Requested Limits (ORL)
- Preapproved Emission Limits (PAEL)
- Plantwide Applicability Limitation (PAL)
- Title I Permit Revisions
- Portable Oil and Gas Operation
- Rock Crushers
Screening and Advanced Air Dispersion Modeling
- AERMOD Model System
- AERSCREEN
- Offshore and Coastal Dispersion model
- Calpuff
Compliance Monitoring
- Continuous Emissions Monitoring Systems (CEMS)
- Continuous Opacity Monitoring Systems (COMS)
- Parametric Monitoring Systems
- Method 9 Visible Emissions Observations
- Source Test Oversight
- Compliance
Emissions Inventories
- Criteria Pollutant Inventories
- Hazardous Air Pollutant Inventories
- Greenhouse Gas Reporting
- Assessable Emissions Estimates
- Annual/Triennial Emissions Inventories
Compliance Reports
- Operating Reports
- Annual Compliance Certifications
- Responses to Full Compliance Evaluations
- Excess Emissions and Permit Deviations Reports
Compliance Plans
- Compliance Assurance Monitoring Plans
- Site-Specific Monitoring Plans
- Risk Management Plans
- Alternative Monitoring Plans
- Dust Control Plans
Air Quality Regulatory Applicability Analyses
- New Source Performance Standards (NSPS)
- National Emissions Standards for Hazardous Air Pollutants (NESHAPs) and Maximum Achievable Control Technology (MACT) Applicability and Compliance
- Greenhouse Gas Reporting Requirements
- Risk Management Plans and Hazard Assessments
- Compliance Assurance Monitoring