2014-069 - Final Environmental Impact Report No. 2014-01

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HARBOR BLVD. MIXED USE TRANSIT CORRIDOR PLAN FINAL FIR CITY OF SANTA ANA Table of Contents Contents 5.1 AESTHETICS ...................................................................................................... ..........................5.1 -1 5.1.1 Environmental Setting .......................................................................... ..........................5.1 -1 5.1.2 Thresholds of Significance ................................................................... ..........................5.1 -2 5.1.3 Environmental Impacts ........................................................................ ..........................5.1 -5 5.1.4 Cumulative Impacts ............................................................................... ..........................5.1 -9 5.1.5 Existing Regulations and Standard Conditions ......................... ............................... 5.1 -10 5.1.6 Level of Significance Before Mitigation ..................................... ............................... 5.1 -10 5.1.7 Mitigation Measures ...................................................................... ............................... 5.1 -10 5.1.8 Level of Significance After Mitigation ....................................... ............................... 5.1 -10 5.2 AIR QUALITY ..................................................................................................... ..........................5.2 -1 5.2.1 Environmental Setting .......................................................................... ..........................5.2 -1 5.2.2 Thresholds of Significance ........................................................... ............................... 5.2 -12 5.2.3 Environmental Impacts ................................................................ ............................... 5.2 -15 5.2.4 Cumulative Impacts ....................................................................... ............................... 5.2 -21 5.2.5 Existing Regulations and Standard Conditions ......................... ............................... 5.2 -22 5.2.6 Level of Significance Before Mitigation ..................................... ............................... 5.2 -22 5.2.7 Mitigation Measures ...................................................................... ............................... 5.2 -23 5.2.8 Level of Significance After Mitigation ....................................... ............................... 5.2 -27 5.2.9 References ....................................................................................... ............................... 5.2 -28 5.3 CULTURAL RESOURCES ............................................................................... ..........................5.3 -1 5.3.1 Environmental Setting .......................................................................... ..........................5.3 -1 5.3.2 Thresholds of Significance ................................................................... ..........................S.3 -6 5.3.3 Environmental Impacts ........................................................................ ..........................S.3 -7 5.3.4 Cumulative Impacts ............................................................................... ..........................5.3 -9 5.3.5 Existing Regulations and Standard Conditions ......................... ............................... 5.3 -10 5.3.6 Level of Significance Before Mitigation ..................................... ............................... 5.3 -10 5.3.7 Mitigation Measures ...................................................................... ............................... 5.3 -10 5.3.8 Level of Significance After Mitigation ....................................... ............................... 5.3 -10 5.3.9 References ............................................................................................. .........................5.3 -11 5.4 GEOLOGY AND SOILS .................................................. ............................... ...........................5.41 5.4.1 Environmental Setting .......................................... ............................... ...........................5.41 5.4.2 Thresholds of Significance ................................... ............................... ...........................5.49 5.4.3 Environmental Impacts ................................................................ ............................... 5.410 5.4.4 Cumulative Impacts ....................................................................... ............................... 5.412 5.4.5 Existing Regulations and Standard Conditions ......................... ............................... 5.413 5.4.6 Level of Significance Before Mitigation ..................................... ............................... 5.413 5.4.7 Mitigation Measures ...................................................................... ............................... 5.413 5.4.8 Level of Significance After Mitigation ....................................... ............................... 5.413 5.4.9 References ....................................................................................... ............................... 5.413 5.5 GREENHOUSE GAS EMISSIONS ............................................................... ..........................5.5 -1 5.5.1 Environmental Setting .......................................................................... ..........................5.5 -1 5.5.2 Thresholds of Significance ........................................................... ............................... 5.5 -11 5.5.3 Environmental Impacts ................................................................ ............................... 5.5 -13 5.5.4 Cumulative Impacts ....................................................................... ............................... 5.5 -16 5.5.5 Existing Plans, Policies, and Programs ....................................... ............................... 5.5 -16 5.5.6 Level of Significance Before Mitigation ..................................... ............................... 5.5 -16 5.5.7 Mitigation Measures ...................................................................... ............................... 5.5 -16 Page ii PlaceWorkr