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CEQA Class 32 Exemption – 400 W Warner Ave April 7, 2025 Page 8 of 10 • List of Hazardous Waste and Substances sites from Department of Toxic Substances Control (DTSC) EnviroStor database. • List of Leaking Underground Storage Tank Sites from the State Water Board’s GeoTracker database. • List of solid waste disposal sites identified by Water Board with waste constituents above hazardous waste levels outside the waste management unit. • List of “active” Cease and Desist Orders and Cleanup and Abatement Orders from Water Board. • List of hazardous waste facilities subject to corrective action pursuant to Section 25187.5 of the Health and Safety Code, identified by DTSC. Based on a review of the Cortese List maintained by the CalEPA, the Project site is not identified as a hazardous materials site pursuant to Government Code Section 65962.5.4 According to the EnviroStor database, the Project site has an active listing due to the previous underground gasoline tank onsite.5 However, as part of the Project, a full Liquid Boot vapor barrier would be installed. As the Project is not located on a site which is included on any list compiled pursuant to Section 65962.5 of the Government Code, Condition e) would not apply. f) Condition f) requires consideration of whether the Project may cause a substantial adverse change in the significance of a historical resource. The definition of "historical resources" is contained in CEQA Guidelines Section 15064.5. The City of Santa Ana maintains a Citywide Historic Resources Map and list identifying the City’s historic properties and districts. Although the existing building is over 50 years old, it is not listed as a significant historical resource in the Citywide Historic Resources Map.6 Furthermore, the Project consists of a retrofit and the existing 57,705 sf building and parking lot will remain intact. Therefore, the Project would not cause a substantial adverse change in the significance of a historical resource, and Condition f) would not apply. C. Conclusion Based on the technical analyses prepared for the Project, the Project would not result in any significant environmental impacts. Additionally, the Project meets the conditions of a Class 32 exemption and would not conflict with any of the exceptions as codified in CEQA Guidelines Section 15300. 4 https://calepa.ca.gov/sitecleanup/corteselist/ 5 https://www.envirostor.dtsc.ca.gov/public/profile_report?global_id=60003506 6 https://gis.santa-ana.org/portal/apps/webappviewer/index.html?id=30f66000ad114c40a93faaf5596c928d