Illingworth & Rodkin, Inc.

Illingworth & Rodkin, Inc.

Air Quality


Illingworth & Rodkin provides air quality analysis, greenhouse gas (GHG) emissions studies, and community risk assessments on a wide variety of projects, such as wastewater treatment facilities, waste management facilities, quarries, industrial facilities, highways and roadways, freight hauling and commuter rail, mixed-use residential and transit-oriented development, schools, construction, office uses and more. Illingworth & Rodkin's in-depth approach to complex and dynamic modeling scenarios and conveying highly technical concepts to the public reader has made us an industry leader. Since 1987 our consultants have worked with federal, state, and local agencies, and private clients to develop viable and defensible air quality, GHG, and community risk reduction strategies and mitigation.

Environmental Studies

  • Assessments for environmental studies (CEQA/NEPA)
  • Community risk assessments
  • Transportation projects
  • Proposed land use developments
  • Control plans and ordinances
  • Clean Air Plan consistency
  • Qualified GHG Reduction Strategy consistency
  • Conformity determinations
  • Peer Review

Computer Modeling

  • Air pollutant and GHG emissions estimation using CalEEMod, EMFAC, Mobile, AP-42
  • Traffic and construction dispersion modeling using CALINE4, CAL3QHC, AERMOD
  • Stationary air pollution source modeling using EPA-approved models (e.g., SCREEN, ISCST, AERMOD)
  • Analysis of meteorological data

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