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88 The Housing component proposes the development of a five-story building with a total of 100 residential units. The proposed building would be entirely above ground. The Housing Component would not involve routine transport, use, or disposal of hazardous materials, nor would it result in hazardous emissions. Operational hazardous materials associated with new residential uses could include, for example, liquid chemical products (e.g., household cleaners), used motor oil, building maintenance supplies, paints and solvents, pesticides, or other similar materials. The Focused GPU EIR concluded that residential and mixed-use housing do not cause or contribute substantially to potential hazards to the public or the environment because these uses do not involve the use, transport, or disposal or appreciable amounts of hazardous materials of wastes (p. 4.9-19). In conformance with the Redwood City Focused GPU EIR (pp. 4.9-19 – 4.9-20), the proposed Housing Component would continue to be subject to existing General Plan Public Safety Element policies and programs related to hazardous materials transport, use, and disposal; and manufacturer’s directions and local, State, and federal regulations pertaining to the storage, handling, and disposal of hazardous materials and waste. These uniformly applicable policies, standards, and regulations would adequately ensure that the proposed project component would not create a significant hazard to the public or the environment from hazardous materials transport, storage, use, and disposal, resulting in a less than significant impact. As a result, this Housing Component would be consistent with the analysis in the EIR/SEIR because it would not create new impacts or increase impacts, and there is no new information of substantial importance for CEQA purposes. b. The Focused GPU EIR found that residential and mixed-use housing development do not cause or contribute substantially to potential hazards to the public or the environment because these uses do not involve the use, transport, or disposal of appreciable amounts of hazardous materials or wastes. It determined that the impacts related to the accidental release of hazardous materials would be less than significant with adherence to the requirements of the Public Safety Element and local, State and federal environmental laws. In addition, as explained in the Focused GPU EIR (p. 4.9-21), future development projects would be required to comply with all applicable, existing local, State, and federal-mandated site assessment, remediation, removal, and disposal requirements for soil, surface water, and/or groundwater contamination, which would typically include consultation with local Certified Unified Program Agency (CUPA) – San Mateo County Health for Redwood City – and would also include identifying and implementing appropriate characterization and remediation procedures as deemed necessary. The proposed Housing Component would not create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment, nor would the Housing Component emit hazardous emissions or handle hazardous materials. Phase I Environmental Site Assessment A site-specific Phase I Environmental Site Assessment has been prepared for the Housing Component (Phase I Environmental Site Assessment, 920 Shasta Street & 122 Buckeye Street, Redwood City, California; May 26, 2021) (Phase I ESA). The subject site currently contains a storage facility (920 Shasta Street) constructed in 1975 and a single-family residential home (122 Buckeye Street) constructed in 1941. Prior to the construction of the existing onsite buildings, the project component site was developed in the 1900s for use as lumber storage and a residential home, which was later razed (Phase I ESA p. 17). The Phase I ESA was conducted pursuant to the requirements of the American Society for Testing and Materials (ASTM) Standard 1527-13. The Phase I Assessment conducted a review of regulatory agency records, interviews, and a site visit to determine the presence, or lack thereof, of any Recognized Environmental Conditions (REC) at the Housing Component site. According to the ASTM, a Recognized Environmental Condition (REC) is “The presence or likely presence of any hazardous substances or petroleum products in, on, or at a property: 1) due to release to the environment, 2) under conditions indicative of a release to the environment; or 3) under conditions that pose a material threat of a future release to the environment.” The Phase I ESA concluded there are no recognized environmental conditions in connection with the site (p. 26). The Phase I ESA also evaluated the potential for non-ASTM environmental issues, including asbestos-containing materials (ACMs), cultural and historic resources, radon, endangered species, lead-based paint (LBP), lead in drinking water, regulatory compliance (e.g., environmental permits), and wetlands, to impact the project component. The residential structures were constructed prior to 1943 before asbestos was generally phased out in the 1980s; the Phase I ESA recommends a comprehensive ACM survey prior to any renovation or demolition activities at the site (p. 29). Regarding cultural and historic resources, a review of the NEPASearch database indicated no cultural or historic sites identified at the site; site representatives interviewed were also not aware of any cultural or historic resources onsite (p. 29). Regarding radon, a U.S. EPA survey conducted for the same zip code found the average radon concentration of a first-floor room at one property was 0.300 pCi/L, which is below the continuous exposure limit of 4.0 pCi/L and ATTY/RESO.0028/CC RESO CEQA GUIDLINES (920 SHASTA) - EXHIBIT A REV: 04-22-25 VR Page 88 of 148