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5 LESS -THAN -SIGNIFICANT ENVIRONMENTAL EFFECTS <br />WITH MITIGATION INCORPORATED <br />to exceed the SCAQMD's adopted thresholds of significance, the City of Santa Ana shall <br />require that applicants for new development projects incorporate mitigation measures to <br />reduce air pollutant emissions during construction activities. These identified measures <br />shall be incorporated into all appropriate construction documents (e.g., construction <br />management plans) submitted to the City and shall be verified by the City. Mitigation <br />measures to reduce construction -related emissions could include, but are not limited to: <br />• Require fugitive -dust control measures that exceed SCAQMD's Rule 403, such as: <br />o Use of nontoxic soil stabilizers to reduce wind erosion. <br />o Apply water every four hours to active soil -disturbing activities. <br />o Tarp and/or maintain a minimum of 24 inches of freeboard on trucks hauling <br />dirt, sand, soil, or other loose materials. <br />• Use construction equipment rated by the United States Environmental Protection <br />Agency as having Tier 3 (model year 2006 or newer) or Tier 4 (model year 2008 <br />or newer) emission limits, applicable for engines between 50 and 750 horsepower. <br />• Ensure that construction equipment is properly serviced and maintained to the <br />manufacturer's standards. <br />• Limit nonessential idling of construction equipment to no more than five <br />consecutive minutes. <br />• Limit on -site vehicle travel speeds on unpaved roads to 15 miles per hour. <br />• Install wheel washers for all exiting trucks or wash off all trucks and equipment <br />leaving the project area. <br />• Use Super -Compliant volatile organic compound paints for coating of architectural <br />surfaces whenever possible. A list of Super -Compliant architectural coating <br />manufactures can be found on the SCAQMD's website. <br />GPU PEIR MM AQ-2: Prior to discretionary approval by the City of Santa Ana for <br />development projects subject to CEQA (California Environmental Quality Act) review (i.e., <br />non-exempt projects), project applicants shall prepare and submit a technical assessment <br />evaluating potential project operation phase -related air quality impacts to the City of Santa <br />Ana for review and approval. The evaluation shall be prepared in conformance with <br />SCAQMD methodology in assessing air quality impacts. If operation -related air pollutants <br />are determined to have the potential to exceed the SCAQMD's adopted thresholds of <br />significance, the City of Santa Ana shall require that applicants for new development <br />projects incorporate mitigation measures to reduce air pollutant emissions during <br />operational activities. The identified measures shall be included as part of the conditions <br />of approval. Possible mitigation measures to reduce long-term emissions could include, <br />but are not limited to the following: <br />• For site -specific development that requires refrigerated vehicles, the construction <br />documents shall demonstrate an adequate number of electrical service <br />City of Santa Ana The Village Santa Ana Specific Plan Project <br />August 2025 CEQA Findings of Fact and Statement of Overriding Considerations <br />5-3 <br />