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ENVIRONMENTAL IMPACT REPORT ADDENDUM <br />Bristol Street and Memory Lane Intersection Improvements —Project No. 17-6883 <br />Certified 1990 FEIS/EIR Mitigation Measures: <br />T-1 If potential archaeological resources are encountered during grading all work will be halted in that <br />particular location until a qualified archaeologist can evaluate the significance of the recovered <br />materials. <br />Mitigation Measures: No additional mitigation measures arerequired. <br />b) Cause a substantial adverse charge in the .ngnrcance of an archaeological resource pursuant to § <br />]5064.5? <br />Due to the limited area of disturbance, within an existing developed and urban area, and limited depth of proposed <br />excavations, the potential to uncover archaeological resources is considered low. The proposed Project would not <br />result in archaeological impacts greater than previously analyzed in the 1990 FEIS/EIR. <br />Certified 1990 FEIS/EIR Mitigation Measures: Refer to 1990 FEIS/EIR Mitigation Measures T-1. <br />Mitigation Measures: No additional mitigation measures are required. <br />C) Directly or hulaectlydestroy auniguepaleontological resource or site or unique geologicfeature? <br />As documented in Chapter VI, Resources Element, of the County of Orange General Plan, the Project site is not <br />located in an area of paleontological sensitivity. Soils occurring in the Project area are San Emigdio.s Typically, <br />these deposits are less than 10,000 years old, and not likely to contain important fossils.' No greater impacts to <br />paleontological resources than previously analyzed in the 1990 FEIS/E[R would resultfrom Project implementation. <br />Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable <br />Mitigation Measures: No additional mitigation measures arerequired. <br />d) Disturb any hanan remains, including those interred outside of dedicated cemeteries? <br />The Project site is located within a highly -urbanized area within the City of Santa Ana. Cathedral Memorial <br />Gardens is located approximately 2 miles north-west of the Project site In the event that human remains are <br />uncovered during grading or excavation, contractors are required to comply with the procedures and requirements <br />set forth in the California Health and Safety Code Section 7050.5 and CPRC Section 2098.98. The County Coroner <br />and, in the event that the remains are Native American, the Native American Heritage Commission would be <br />notified and, in tum, would notify those persons believed to be most likely descended from the deceased for <br />appropriate disposition of the remains. The proposed Project would not result in an impact to human remains <br />greater than previously analyzed in the 1990 FEIS/EIR. <br />Certified 1990 FEIS/EIR Mitigation Measures: No 1990 FEIS/EIR mitigation measures are applicable <br />Mitigation Measures: No additional mitigation measures are required. <br />3.6 GEOLOGY AND SOILS <br />This section corresponds with the following 1990 FEIS/EIR, Section IV, Environmental Consequences aro! <br />Mfigadon Measures, subsections: <br />• Subsection A, Landform Aloahficadon; <br />• Subsection 13, Seismic Hozards; <br />8 United States Department of Agriculture, Web Soil �vey, htips://websoilsurvey.sc.egov.usda.gov/App/WebSoil <br />Suivey.aspx, accessed August 2,2017. <br />9 Ibid <br />Final I December 2017 3-9 Environmental Consequences <br />