Item 18 - Appeal Application Nos. 2023-02 and 2023-03 for Cabrillo Town Center project

Home Browse Search

Thresholds of Significance State CEQA Guidelines Appendix G Would the Project: a) Conflict with or obstruct implementation of the applicable air quality plan; b) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non -attainment under an applicable federal or State ambient air quality standard; c) Expose sensitive receptors to substantial pollutant concentrations; or d) Result in other emissions (such as those leading to odors) adversely affecting a substantial number of people? City and SCAQMD Thresholds For this analysis the Appendix G Thresholds are relied upon. The analysis utilizes factors and considerations recommended by the City of Santa Ana and SCAQMD Thresholds, as appropriate, to assist in answering the Appendix G Threshold questions. (a) Construction The City recommends that determination of significance be made on a case -by -case basis, considering the following criteria to evaluate construction -related air emissions: (i) Combustion Emissions from Construction Equipment • Type, number of pieces and usage for each type of construction equipment; • Estimated fuel usage and type of fuel (diesel, natural gas) for each type of equipment; and • Emission factors for each type of equipment. (ii) Fugitive Dust —Grading, Excavation and Hauling • Amount of soil to be disturbed on -site or moved off -site; • Emission factors for disturbed soil; • Duration of grading, excavation and hauling activities; • Type and number of pieces of equipment to be used; and • Projected haul route. (iii) Fugitive Dust —Heavy -Duty Equipment Travel on Unpaved Road • Length and type of road; • Type, number of pieces, weight and usage of equipment; and • Type of soil. (iv) Other Mobile Source Emissions Cabrillo Town Center Air Quality ac77ca PAGE 18 City of Santa Ana 10/3/2023 July 2023