- Permit application preparation (construction, Title V, and Prevention of Significant Deterioration (PSD)/Nonattainment New Source Review (NSR)
- Regulatory evaluation/applicability reviews
- Emission inventories/estimation
- Best Available Control Technology (BACT)/Lowest Achievable Emission Rate (LAER) analyses
- Reasonably Available Control Technology (RACT) analyses
- Air pollution dispersion modeling
- Class I area impact and visibility analyses
- National Environmental Policy Act (NEPA) reviews/air quality analyses for Environmental Assessments (EAs) and Environmental Impact Statements (EISs)
- General Conformity analyses
- Compliance Assurance Monitoring (CAM) plans
- Startup, Shutdown and Malfunction Plans (SSMPs)
- Permit negotiations
- Multimedia project management
- Maximum Achievable Control Technology (MACT)/National Emission Standards for Hazardous Air Pollutants (NESHAP) guidance and support
- Oil & gas and refining issues
- Petroleum liquid storage tank inspections, regulatory evaluations, and audits
- Training and seminars
- Air quality compliance planning and certifications
- Compliance and programmatic audits/assessments
- Policy analysis
- Best Available Retrofit Technology (BART) support
- Superfund Amendments and Reauthorization Act (SARA) reporting
- Control technology studies
- Air quality software development
- Radionuclide emissions/modeling/regulatory support
