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4.3 – Cultural and Tribal Cultural Resources Draft Environmental Impact Report February 2021 14800 W. Schulte Road Logistics Center 4.3-10 4.3.4 Impacts Analysis Threshold A: Would the Project cause a substantial adverse change in the significance of a historical resource as defined in CEQA Guidelines Section 15064.5? Less-than-Significant Impact. As part of the cultural resources study prepared for the Project (Appendix D), a records search o f the CHRIS at the CCaIC was conducted on October 9, 2020. The CHRIS search included a review of mapped prehistoric, historical, and built-environment resources; Department of Parks and Recreation site records; technical reports; and archival resources. Ad ditional consulted sources include historical maps of the Project site, the NRHP, the CRHR, the California Historic Property Data File, the lists of California State Historical Landmarks and California Points of Historical Interest, and the Archaeological Determinations of Eligibility. In addition, a pedestrian survey of the Project site was conducted on October 12, 2020. No historical resources were identified within the Project site or immediate vicinity as a result of the CHRIS records search or intensive pedestrian survey. Moreover, under existing conditions, the Project site is vacant. Therefore, no impacts associated with historical resources would occur under CEQA. Threshold B: Would the Project cause a substantial adverse change in the significance of an archaeological resource pursuant to CEQA Guidelines Section 15064.5? Less-than-Significant Impact with Mitigation Incorporated. No archaeological resources were identified within the Project site as a result of the CHRIS records search, NAHC SLF search, or intensive-level pedestrian survey. Additionally, The Project site has been substantially altered since its use in the mid-1900s when it was plowed and planted as part of agricultural operations. Additionally, activities associated with development of the biomass facility in the 1990s and its demolition in the 2010s resulted in substantial alternation of the site. Other ground disturbances that have altered the site include the pipeline that once bisected the site northwest to southeast and the two drainage basins along the northern edge of the Project site, including the active ground disturbance for Project well installation that was observed during the archaeological survey. Although no archaeological resources were identified within the Project site, there is the potential to encounter unanticipated archaeological resources during the course of construction. Management recommendations are provided in Mitigation Measure (MM) CUL-1 to reduce potential impacts to unanticipated archaeological resources during construction activities. Therefore, with implementation of MM-CUL-1, impacts would be less than significant. Threshold C: Would the Project disturb any human remains, including those interred outside of formal cemeteries? Less-than-Significant Impact with Mitigation Incorporated. No prehistoric or historic burials, including those interred outside of dedication cemeteries, were identified within the Project site as a result of the CHRIS records search, NAHC SLF search, or pedestrian survey. Therefore, the likelihood of encountering human remains within the subsurface of the Project site is low. However, the possibility of encountering human remains within the Project site exists. The discovery of human remains would require handling in accordance with PRC 5097.98, which states that in the event that human remains are discovered during construction, construction activity shall be halted, and the area shall be protected until consultation and treatment can occur as prescribed by law. Therefore, with adherence to state law and with implementation of MM-CUL-2, impacts would be less than significant.