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ENVIRONMENTAL IMPACT REPORT ADDENDUM <br />Bristol Street Widening Phase IIIB — Washington Avenue to 17'" Street <br />c.) Directly or indirectly destroy a unique paleontological resource or site or unique geologic <br />feature? <br />As documented in Chapter VI, Resources Element, of the County of Orange General Plan, the Project site <br />is not located in an area of paleontological sensitivity. Also, the proposed Project would involve only <br />shallow excavation. Furthermore, since the Project area is already developed, the potential for discovering <br />paleontological resources during construction is low. Soils occurring in the Project area are mostly <br />Quaternary Alluvium. Typically, these deposits are less than 10,000 years old, and not likely to contain <br />important fossils. No greater impacts to paleontological resources than previously analyzed in the 1990 <br />FEIS/EIR would result from Project implementation. <br />Mitigation Measures <br />No new additional mitigation measures are required. <br />d.) Disturb any human remains, including those interred outside of formal cemeteries? <br />The Project site is located within a highly urbanized area within the City of Santa Ana. No formal <br />cemeteries are located within the Project area or vicinity. However, in the event that human remains are <br />uncovered during grading or excavation, contractors are required to comply with the procedures and <br />requirements set forth in the California Health and Safety Code Section 7050.5 and CPRC Section <br />2098.98. The County Coroner and, in the event that the remains are Native American, the Native <br />American Heritage Commission would be notified and, in turn, would notify those persons believed to be <br />most likely descended from the deceased for appropriate disposition of the remains. The proposed Project <br />would not result in an impact to human remains greater than previously analyzed in the 1990 FEIS /EIR. <br />Mitigation Measures <br />No new additional mitigation measures are required. <br />3.6 Geology and Soils <br />This section corresponds with Section IV - Environmental Consequences and Mitigation Measures, <br />Subsections A - Landform Modification, B - Seismic Hazards, C - Erosion Impacts, and F - Water <br />Quality, of the previously approved 1990 FEIS/EIR. <br />a.)i Rupture of a known earthquake fault, as delineated on the most recent Alquist- Priolo <br />Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other <br />substantial evidence of a known fault? Refer to Division of Mines and Geology Special <br />Publication 42. <br />The City of Santa Ana is not included in the Alquist - Priolo Earthquake Fault Zoning Map. The Project <br />site is not underlain by an active fault and the closest fault, the Newport- Inglewood Fault, is <br />CITY OF SANTA ANA (11/25/2013 REV2) 132897 CM PAGE 31 <br />55C -46 <br />