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4 MITIGATION MONITORING AND REPORTING PROGRAM <br />Regulatory Requirements/Mitigation Measures <br />Timing <br />Responsible <br />Party <br />Monitoring <br />Party <br />Signature/Date <br />of Compliance <br />o Use of nontoxic soil stabilizers to <br />reduce wind erosion. <br />o Apply water every four hours to <br />active soil -disturbing activities. <br />o Tarp and/or maintain a minimum <br />of 24 inches of freeboard on <br />trucks hauling dirt, sand, soil, or <br />other loose materials. <br />• Use construction equipment rated by the <br />United States Environmental Protection <br />Agency as having Tier 3 (model year <br />2006 or newer) or Tier 4 (model year <br />2008 or newer) emission limits, applicable <br />for engines between 50 and 750 <br />horsepower. <br />• Ensure that construction equipment is <br />properly serviced and maintained to the <br />manufacturer's standards. <br />• Limit nonessential idling of construction <br />equipment to no more than five <br />consecutive minutes. <br />• Limit on -site vehicle travel speeds on <br />unpaved roads to 15 miles per hour. <br />• Install wheel washers for all exiting trucks <br />or wash off all trucks and equipment <br />leaving the project area. <br />• Use Super -Compliant volatile organic <br />compound paints for coating of <br />architectural surfaces whenever possible. <br />A list of Super -Compliant architectural <br />coating manufactures can be found on the <br />SCAQMD's website. <br />City of Santa Ana <br />August 2025 <br />4-4 <br />The Village Santa Ana Specific Plan Project <br />Final Supplemental Environmental Impact Report <br />