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CUP No. 2025-14 – South Coast Technology Center (3600 S. Susan Street) July 14, 2025 Page 5 5 1 7 9 significant environmental risk to any surrounding sensitive land uses as the proposed uses are commonly used in industrial settings and are highly regulated to ensure safety. As explained in Exhibit 5, the fuel dispenser is a commercial-grade system used by many industries for onsite vehicle and equipment fueling. The proposed Jet-A fuel dispenser consists of a 1,000-gallon above-ground tank connected to a Gasboy AtlasX 9800G unit, a high-flow electronic dispenser (Exhibit 6). It includes built-in safety features such as real-time monitoring, an automatic two-stage shut-off valve, electronic calibration, and secondary spill containment. The tank will be located in the south parking lot, screened by existing landscaping and the building itself, and not visible from the public right-of-way; it will not be available for use to the general public. The dispensing component will be located inside the building with proper ventilation and spill containment. The system is designed for controlled fuel transfer operations to test mechanical components manufactured by the facility. Installation of the fuel system will comply with all applicable standards set by the Orange County Fire Authority (OCFA), California Occupational Safety & Health Administration (Cal-OSHA), the South Coast Air Quality Management District (SCAQMD), and the California Fire Code. The system has already received preliminary approval from OCFA, and all required permits will be secured before installation. These measures ensure the fuel dispenser operates safely and reliably in proximity to sensitive land uses. The paint booth is a fully enclosed system that includes air filtration and mechanical ventilation designed to meet all applicable standards set by the South Coast Air Quality Management District (SCAQMD). It will utilize a Linnox burner system (Exhibit 7) that operates well below SCAQMD thresholds for emissions, including nitrogen oxides (NOx) and carbon monoxide (CO). In addition to meeting strict emissions limits, the booth will incorporate a 3-stage filtration system to capture particulates and ensure that air released outside the building meets health-based standards. Because the equipment is used for limited-scale operations that are common in industrial settings, and because it will be permitted and regularly inspected under SCAQMD rules, it poses no risk to air quality or nearby sensitive uses such as schools or residences. A hazardous materials assessment prepared by Simpson Gumpertz & Heger (SGH), dated May 2025 (Exhibit 8), analyzed the hazardous materials associated with the proposed fuel and paint operations in accordance with the 2022 California Building and Fire Codes. The analysis confirmed that the materials fall within the maximum allowable quantities (MAQs) and that the proposed operations do not trigger a high-hazard occupancy classification. The building’s fully sprinklered status and compliance with control area requirements support this conclusion. Equipment and systems will be designed and maintained in accordance with California Fire Code (CFC) requirements for hazardous material containment, ventilation, emergency shutoffs, and detection systems. Lastly, the proposed noxious uses are accessory to the previously approved industrial development and are consistent with the types of activities anticipated and evaluated in the prior environmental analysis for the South Coast Technology Center project (i.e., ZOA