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the SCAQMD CEQA Air Quality Handbook related to hazardous materials or emissions of toxic air contaminants will also be discussed in the EIR. Orange County is in nonattainment for ozone under both State and Federal standards and PM10 under State standards; therefore, these will be the pollutants of primary concern in the EIR. The air pollutants of greatest concern in the South Coast Air Basin are ozone (O,), ROGs, NO, CO, PM10 and PMz 5- The EIR will provide an introductory discussion of the air pollutants of concern in the region, summarize local and regional air quality, describe pertinent characteristics of the air basin, and provide an overview of the physical conditions affecting pollutant buildup and dispersion in the City. The setting will also discuss the sources, types, and health effects of air pollutants. The air quality section of the EIR will also describe any intersections and roadways that might be affected by increased traffic due to implementation of the proposed project. The project's construction and operational emissions and odor impacts will be assessed, including local ambient CO impacts. This analysis will include the following components: ■ Construction Emissions. The construction emissions analysis will be based on the project description, information submitted by the traffic consultant, and the modeling techniques and significance criteria recommended by the SCAQMD. The analysis will consider the limitations of the City's Building and Safety requirements and provide any necessary recommendations for minimizing emissions of dust or other pollutants (i.e., asbestos) from construction activities. The emissions generated by the demolition and construction of the developer project component will be analyzed as well. Localized Significance Threshold (LST) modeling will also be conducted for the developer project. LST analysis measures localized pollutant concentrations of CO, NOZ, PM,,, and PM25 emissions during construction; ■ Operational Emissions. Estimates of mobile source emissions associated with operation of the project will be prepared using appropriate land use information, traffic study information, and SCAQMD significance criteria. Based on estimated project -generated vehicle trips described in the traffic study prepared for the EIR, vehicular emissions of carbon monoxide, ozone precursors (reactive organic gases and oxides of nitrogen), and small particulate matter (PM,,,) will be predicted and quantified using EMFAC emission factors and the SCAQMD recommended URBEMIS 2007 version 9.2.4 software, which will then be compared to the SCAQMD significance thresholds. The criteria pollutant emissions from future stationary sources will also be estimated in the same manner; ■ LocalAmbient CO Impacts. The potential of project -related motor vehicle trips to cause localized carbon monoxide "hot spots" will be evaluated. For intersections in the immediate project vicinity that are subject to the most severe project -induced traffic congestion, localized concentrations of carbon monoxide (CO) will be quantified at those locations. Local CO concentrations will be modeled at up to ten intersections to be selected in coordination with City staff and the City's transportation consultant using the simplified CALINE screening methodology developed by the Bay Area Air Quality Management District and accepted by SCAQMD. The analysis will be based on guidance published by the Institute of Transportation Studies and available peak hour traffic and intersection geometry data; and ■ Odor Impacts. An analysis of whether the project would create objectionable odors affecting a substantial number of people will be included in the EIR.