The applicant, Costco Wholesale Corporation (Costco) has applied for a Permit to Construct/Permit to Operate to install and operate a new 32-fueling position gasoline station with an operating schedule of 16 hours per day, 7 days per week, 30 days per month, and 52 weeks per year based on a maximum gasoline throughput of 2,220,000 gallons per month with three underground storage tanks (USTs) with a capacity of 20,000 gallons each, and one underground storage tank with a capacity of 1,500 gallons (Proposed Project). The Proposed Project is part of a larger project evaluated and approved by the City of Tustin (City) on October 16, 2019, granting Conditional Use Permit 2018-00018/Design Review 2018-00026 (“City’s Approved Project”) to: 1) demolish the Goodyear tire center and adjacent parking lot located at 2541 S. El Camino Real, Tustin, CA, 92782 and replace it with new parking stalls; and 2) construct a new Costco gasoline fueling station at 2655 S. El Camino Real, Tustin, CA, 92782. The City relied on numerous technical reports, Staff Reports and analysis, its “Supporting Analysis for a Class 32 Exemption,” and “Air Quality and Greenhouse Gas Emissions for Construction and Operation of the Gasoline Dispensing Facility at Costco Tustin Ranch,” all of which contained a detailed analysis of the environmental impacts associated with the City’s Approved Project, including the topic areas of traffic, noise, air quality and water quality. The City determined that the City’s Approved Project was exempt from CEQA pursuant to CEQA Guidelines Section 15332 – In-Fill Development Projects, also referred to as a Class 32 categorical exemption, and that no unusual circumstances pursuant to CEQA Guidelines Section 15300.2(c) – Significant Effect would occur. The South Coast Air Quality Management District (South Coast AQMD) has issued a Permit to Construct/Permit to Operate for the Proposed Project.