following models are available to assist the CEQA practitioner in
calculating impact to air quality. The following links will take you
directly to these models located on other websites.
Emission Estimator Model (CalEEMod)CalEEMod is a statewide land
use emissions computer model designed to provide a uniform platform
for government agencies, land use planners, and environmental
professionals to quantify potential criteria pollutant and
greenhouse gas (GHG) emissions associated with both construction and
operational from a variety of land use projects.
calculated using URBEMIS are now outdated and SCAQMD staff recommends all
projects now evaluate emissions with CalEEMod if they use software for their
(NOTE: An error has
been identified associated with the fugitive dust construction mitigation
measures for PM. Therefore, the only mitigation measures acceptable
for use are either watering OR chemical suppressants.)
Emissions Model (version 5.1)
Roadway construction emissions model, developed by the Sacramento
Metropolitan AQMD, can be used to assist roadway project proponents with
determining the emission impacts of their projects (listed under
"Mitigating Air Quality Impacts" heading).