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Environmental Consulting Services (20o East First American Way) I City of Santa Ana <br />■ Regulatory Setting. The regulatory setting will include pertinent air quality statutes and regulations, including the <br />federal Clean Air Act, California and National Ambient Air Quality Standards, and SCAQMD Air Quality Management <br />Plan (AQMP) consistency. <br />■ Existing Air Quality Conditions. The project site is located within the SCAQMD Source Receptor Area No. 17 (Central <br />Orange County), and as such, local air quality will be characterized by ambient air quality data collected at the <br />Anaheim ambient air monitoring station. A summary of regional meteorology and local air quality conditions as <br />measured at said monitoring station and a description of monitoring data compares to national and state ambient air <br />quality standards. <br />■ Construction -Period Mass Emissions. A construction emissions inventory that will include combustion emissions <br />related to construction equipment operation; fugitive emissions related to site preparation and earthmoving activities; <br />mobile source emissions related to construction worker and haul truck trips; and ROC emissions related architectural <br />coating application and asphalt pavement. The emission inventory will then be compiled on a daily basis and <br />compared to SCAQMD regional emissions and localized emissions thresholds to determine significance. <br />■ Operations -Period Mass Emissions Analysis. A regional emissions inventory including a quantification of mobile <br />source emissions related to project -generated traffic and stationary source emissions related to energy demand (i.e., <br />electricity and natural gas consumption) will be included in the analysis. This emission inventory will be compiled using <br />the URBEMIS 2007 land use emissions model, or other approved model, and compared to applicable SCAQMD daily <br />emissions thresholds to determine significance. <br />■ Localized Carbon Monoxide Concentration Analysis. The analysis will include the degree to which project -related <br />traffic volumes have a potential to effect local carbon monoxide (CO) concentrations using California Department of <br />Transportation CO Hotspot Protocol. Potential impacts will be evaluated utilizing the CALINE4 dispersion model and <br />EMFAC 2007 emissions factors at up to 8 intersection locations for six scenarios (i.e., Existing No -Project, Existing with <br />Project, Existing with Project Alternative, Future No -Project, Future with Project, and Future with Project Alternative). <br />■ Potential for Health Risk Impacts. Based on a review of the Project Description, a quantitative health risk assessment <br />(HRA) will not be required. Impacts related to toxic air contaminant (TAC) emissions during short-term construction <br />and long-term operations will be evaluated qualitatively. <br />■ Climate Change/Greenhouse Gas Emissions. Using guidance detailed in the Local Government Operations Protocol for <br />the Quantification and Reporting of Greenhouse Gas Emissions Inventories (CARB, September 25, 2008), project -related <br />GHG emissions will be estimated using the a combination of approved software programs and the GHG calculation <br />formulas provided in the California Climate Action Registry, General Reporting Protocol, Reporting Entity -Wide <br />Greenhouse Gas Emissions, version3.1. Significance criteria will be developed based on discussions with SCAQMD and <br />City staff members, using the CARB preliminary draft staff proposal Recommended Approaches for Setting Interim <br />Significance Thresholds for Greenhouse Gases under the California Environmental Quality Act (CARB, October 24, 20o8) <br />and the Preliminary Draft CEQA Guideline AmendmentsforGreenhouse Gas Emissions (OPR, January 8, 20og) as points <br />of departure. <br />■ Consistency with AQMP. The analysis will evaluate the project's consistency with the SCAQMD's zoo? AQMP in <br />accordance with the procedures set forth by the SCAQMD. <br />■ Mitigation Measures. Mitigation measures will be developed, where applicable, to address any significant air quality <br />impacts. <br />If the technical report analysis indicates that the project would result in a significant impact related to air quality after <br />implementation of feasible mitigation measures and project design changes, we would alert the City to the fact that an EIR <br />would need to be prepared, and would provide the appropriate scope of work and budget. <br />Noise lm=;,act iaiv <br />ICF will conduct a noise analysis for the proposed project in accordance with CEQA requirements. Our local noise engineer <br />is certified by the Institute of Noise Control Engineers and has conducted numerous analyses for projects involving <br />residential uses. The Noise Impact Study will: <br />■ Identify relevant noise regulations (City, State and federal) and determine significance thresholds by which to <br />compare potential project impacts. <br />Use or disclosure of data contained on this sheet is subject <br />to the restriction on the title page of this proposal. <br />Page 13 <br />