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TABLE OF CONTENTS <br />1.0 INTRODUCTION <br />ENVIRONMENTAL IMPACT REPORTADDENDUM <br />Bristol Street Widening Phase IIIB — Washington Avenue to 17" Street <br />1 <br />1.1 PURPOSE OF AN ADDENDUM ................................................................... <br />............................... 2 <br />1.2 PROJECT LOCATION .................................................................................. <br />..............................4 <br />1.2.1 Existing Land Uses ........................................................................... <br />..............................4 <br />1.3 PROJECT BACKGROUND ........................................................................... <br />..............................9 <br />1.3.1 Approved 1990 Final EIR / EIS ........................................................ <br />............................... 9 <br />1.3.2 Adopted Transportation Improvement Program .............................. <br />............................... 9 <br />1.4 PROJECT DESCRIPTION .......................................................................... <br />............................... 10 <br />1.4.1 Bristol Street Widening Phase IIIB Project Area ............................ <br />.............................10 <br />1.4.2 Property Acquisition ........................................................................ <br />.............................10 <br />1.4.3 Changes as Compared to the Approved Project .............................. <br />.............................13 <br />1.4.5 Construction Timeframe ................................................................ <br />............................... 14 <br />1.5 DISCRETIONARY ACTIONS ..................................................................... <br />............................... 14 <br />2.0 ENVIRONMENTAL CHECKLIST ........................................................ .............................18 <br />2.1 BACICGROUND ....................................................................................... ............................... 18 <br />3.0 ENVIRONMENTAL CONSEQUENCES ............................................... .............................19 <br />3.1 <br />AESTHETICS ........................................................................................... <br />............................... 19 <br />3.2 <br />AGRICULTURAL RESOURCES ................................................................... <br />............................. 21 <br />3.3 <br />AIR QUALITY ......................................................................................... <br />............................... 22 <br />3.4 <br />BIOLOGICAL RESOURCES ...................................................................... <br />............................... 29 <br />3.5 <br />CULTURAL RESOURCES ........................................................................... <br />............................. 31 <br />3.6 <br />GEOLOGY AND SOILS ............................................................................... <br />............................. 32 <br />3.7 <br />GREENHOUSE GAS EMISSIONS .............................................................. <br />............................... 35 <br />3.8 <br />HAZARDS AND HAZARDOUS MATERIALS .............................................. <br />............................... 35 <br />3.9 <br />HYDROLOGY AND WATER QUALTTY ....................................................... <br />............................. 38 <br />3.10 <br />LAND USE AND PLANNING .................................................................... <br />............................... 42 <br />3.11 <br />MINERAL RESOURCES ........................................................................... <br />............................... 43 <br />3.12 <br />NOISE ....................................................................................................... <br />.............................44 <br />3.13 <br />POPULATION AND HOUSING .................................................................. <br />............................... 45 <br />3.14 <br />PUBLIC SERVICES .................................................................................. <br />............................... 47 <br />3.15 <br />RECREATION .......................................................................................... <br />............................... 48 <br />3.16 <br />TRANSPORTATION /TRAFFIC .................................................................. <br />............................... 49 <br />3.17 <br />UTILITIES AND SERVICE SYSTEMS ........................................................ <br />............................... 51 <br />3.18 <br />MANDATORY FINDINGS OF SIGNIFICANCE ............................................ <br />............................... 53 <br />4.0 REFERENCES .......................................................................................... .............................55 <br />FIGURES: <br />FIGURE <br />REGIONAL LOCATION ........................................................................ <br />..............................6 <br />FIGURE 2 <br />PROJECT LOCATION .......................................................................... <br />............................... 7 <br />FIGURE 3 <br />EXISTING LAND USE (1990 FEIS / EIR) ............................................. <br />............................... 8 <br />FIGURE 4 <br />PROPERTY ACQUISITIONS ............................................................... ............................... <br />12 <br />FIGURE 5 <br />PROPOSED PROJECT LANE GEOMETRICS ........................................ ............................... <br />15 <br />FIGURE 6A <br />1990 FEIS /EIR PROPOSED LANE GEOMETRICS .............................. ............................... <br />16 <br />FIGURE 6B <br />1990 FEIS /EIR PROPOSED LANE GEOMETRICS .............................. ............................... <br />17 <br />ANA 111 -334 (PER- 02 -01) CITY OF SANTA ANA (01/30/2014 REV3) 132897 CM PAGE i <br />55A -7 <br />