Air Compliance and Engineering Services
 Air Compliance and Engineering Capabilities
- Regulatory specialists (expert knowledge of federal and state regulations, policies, and guidance)
- Environmental engineers and scientists proficient in air emission inventories, permitting, modeling and compliance issues
- Ongoing compliance management for a broad range of industrial facilities: heavy manufacturing and fabrication; chemical manufacturing; paints and coatings; mining and natural resources; waste management
Emission Inventory Development
- Source identification and characterization
- Emissions calculations
- Threshold permitting determinations
- Emission reduction credit (ERC) engineering support
Source Permitting
- Title V initial and revised
- Synthetic minor sources
- New source review (NSR)
- Prevention of significant deterioration (PSD) sources
- Minor or state-origin sources (construction permits and operating permits
Compliance
- Record keeping and monitoring programs
- Regulatory evaluation
- Agency negotiation
- Litigation support
Control Technology Assessment
- Reasonably available control technology (RACT)
- Best available control technology (BACT)
- Lowest achievable emission rate (LAER)
- Maximum achievable control technology (MACT)
Monitoring
- Stack and grab source sampling
- Fence line/perimeter ambient air monitoring
- Indoor ambient monitoring
- Modeling
- SCREEN3, ISC3, CAL3QHC dispersion
- MOBILE 5B mobile source
- TANKS 3/4 and related source-specific
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