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Compliance, Impact Assessment, Air Toxics Inventory, and Health Risk-Assessment
Industrial development and land use decisions can have far-reaching
air quality consequences. Their assessment under NEPA, CEQA,
CAA NSR and PSD permitting, and Toxic Air Contaminant (TAC)
risk assessments requires realistic modeling of impacts from
pollutants, as well as innovative mitigation to protect the
environment and ensure regulatory compliance. Aspen personnel
have over 40 years of experience providing air quality and
related services for energy, transmission, other linear infrastructure
projects, and airports to government and industrial clients.
Services and Capabilities
- Comprehensive permitting, auditing, and compliance planning
for New Source Review, PSD, Title V, and TAC programs
- CEQA/NEPA support including baseline meteorological and
air quality characterization, emissions source identification,
engineering evaluation, mitigation assessment, and criteria
pollutant and TAC emission inventories
- Dispersion modeling and impact analysis employing state-of-the-art
agency-approved models. Emission estimating models used
by Aspen staff include URBEMIS; EMFAC2002, and MOBILE6.
Air quality dispersion models used by Aspen staff include;
ISCST3, SCREEN3, AERMOD, CALINE4; CAL3QHC; EDMS; and OCD.
Other non-air quality dispersions models used by Aspen staff
include SACTI and CSVP
- Impact mitigation, including development of control strategies,
technology evaluation, and emissions offset analysis
- Additional related services, including; noise analysis
and monitoring, visual water vapor plume modeling, risk
assessment/management analysis and planning, expert witness
testimony, and regulatory agency support
Selected Project Experience
- CEQA/NEPA Support
- Permitting/Auditing/Compliance Projects
- Technology, Engineering, and Project Review Studies
- Additional Related Aspen Services
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