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Existing Health Risk in the Surrounding Area. Based on the MATES-V model, the calculated cancer risk <br />in the Project area (zip code 92705) is approximately 416 in a million.9 The cancer risk in this area is <br />predominately related to nearby sources of diesel particulate matter (e.g., diesel trucks and traffic on the <br />northbound mainline of the Santa Ana Freeway (1-5) 750 feet to the west). In general, the risk at the <br />Project Site is higher than 37 percent of the population across the South Coast Air Basin. <br />The Office of Environmental Health Hazard Assessment, on behalf of the California Environmental <br />Protection Agency (CaIEPA), provides a screening tool called CalEnviroScreen that can be used to help <br />identify California communities disproportionately burdened by multiple sources of pollution. According <br />to CalEnviroScreen, the Project Site (Census tract 6059075403) is located in the 71st percentile, which <br />means the Project Site has an overall environmental pollution burden higher than at least 71 percent of <br />other communities within California.10 <br />Sensitive Receptors. Some land uses are considered more sensitive to changes in air quality than <br />others, depending on the population groups and the activities involved. The California Air Resources <br />Board (CARB) has identified the following groups who are most likely to be affected by air pollution: <br />children less than 14 years of age, the elderly over 65 years of age, athletes, and people with <br />cardiovascular and chronic respiratory diseases. According to the SCAQMD, sensitive receptors include <br />residences, schools, playgrounds, childcare centers, athletic facilities, long-term health care facilities, <br />rehabilitation centers, convalescent centers, and retirement homes. <br />The Project Site is located on the Fourth Street corridor, which is populated with a mix of residential, <br />retail, and commercial uses near the Project Site. Sensitive receptors within 0.25 miles of the Project <br />Site include, but are not limited to, the following representative sampling: <br />• Cabrillo Park, 1820 East Fruit Street; directly north of the Project Site. <br />• Residences, 724 North Parkcenter Drive; 80 feet northeast of the Project Site <br />• Residences, 618 Sherry Lane; 400 feet west of the Project Site. <br />• Residences, 1901 East First Street; 450 feet south of the Project Site. <br />Existing Project Site Emissions. The Project Site is improved with four commercial buildings totaling <br />173,025 square feet and 617 surface parking spaces. As summarized in Table 3, most existing air quality <br />emissions are associated with the 1,876 daily vehicle trips traveling to and from the Project Site.11 <br />Table 3 <br />Existing Daily Operations Emissions <br />Daily Emissions (Pounds Per Day) <br />Emissions Source I vOC I NOx I CO I SOx PM10 PM2.5 <br />9 South Coast Air Quality Management District, Multiple Air Toxics Exposure Study in the South Coast Air Basin <br />(MATES-V), MATES V Interactive Carcinogenicity Map, 2021, <br />https://experience.arcgis.com/experience/79d3b6304912414bb2l ebdde80100b23/page/home/?data_id=data <br />Source _105-a5ba9580e3aa43508a793fac819a5a4d%3A26&views=view_39%2Cview_1, accessed July 20, <br />2023. <br />10 Office of Environmental Health Hazard Assessment, <br />https://oehha.ca.gov/calenviroscreen/report/calenviroscreen-40, accessed July 20, 2023. <br />11 Linscott Law & Greenspan, Memorandum: Vehicle Miles Traveled Assessment for the Proposed Cabrillo Town <br />Center Mixed -Use Project; June 27, 2023. <br />Cabrillo Town Center Project PAGE 14 City of Santa Ana <br />Air Quality 1v W I 18 — 660 10/3/2023 July 2023 <br />