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LSA ASSOCIATES, INC. INITIAL STUDY/MITIGATED NEGATIVE DECLARATION <br />JULY 2010 FIRST STREET BRIDGE REPLACEMENT PROJECT <br />CITY OF SANTA ANA <br />TABLE OF CONTENTS <br />1.0 INTRODUCTION .........................................................................................................................1-1 <br />1.1 INTRODUCTION ................................................................................................................ ..1-1 <br />1.2 CEQA PROCESS ................................................................................................................. ..1-1 <br />1.3 FORMAT OF THE IS/MND ..................................................................................................1-2 <br />1.4 ANTICIPATED PROJECT APPROVALS ............................................................................1-3 <br />1.5 INCORPORATION BY REFERENCE ................................................................................ ..1-4 <br />2.0 PROJECT DESCRIPTION ........................................................................................................... 2-1 <br />2.1 INTRODUCTION ..................................................................................................................2-1 <br />2.2 PROJECT LOCATION/SITE CONTEXT .............................................................................2-1 <br />2.3 DEVELOPMENT PROPOSAL ............................................................................................ ..2-9 <br />2.4 CONSTRUCTION AND PHASING/STAGING ................................................................. 2-13 <br />2.5 SOUND BARRIER WALLS ................................................................................................ 2-22 <br />2.6 DISCRETIONARY ACTIONS ............................................................................................ 2-22 <br />2.7 RESPONSIBLE AGENCIES AND OTHER APPROVING AGENCIES ........................... 2-22 <br />2.8 OTHER REQUIRED APPROVALS .................................................................................... 2-22 <br />3.0 ENVIRONMENTAL CHECKLIST ........................................................................................... ..3-1 <br />4.0 ENVIRONMENTAL ANALYSIS SECTION ............................................................................ ..4-1 <br />1. AESTHETICS ............................................................................................................... ..4-1 <br />II. AGRICULTURAL RESOURCES ................................................................................ ..4-3 <br />III. AIR QUALITY .............................................................................................................. ..4-3 <br />IV. BIOLOGICAL RESOURCES ....................................................................................... 4-10 <br />VI. GEOLOGY AND SOILS .............................................................................................. 4-15 <br />VII. HAZARDS AND HAZARDOUS MATERIALS .......................................................... 4-17 <br />VIII. HYDROLOGY AND WATER QUALITY ................................................................... 4-20 <br />IX. LAND USE AND PLANNING ..................................................................................... 4-25 <br />X. MINERAL RESOURCES ............................................................................................. 4-26 <br />XI. NOISE ............................................................................................................................ 4-26 <br />XII. POPULATION AND HOUSING .................................................................................. 4-33 <br />XIII. PUBLIC SERVICES ..................................................................................................... 4-34 <br />XIV. RECREATION .............................................................................................................. 4-36 <br />XV. TRANSPORTATION/TRAFFIC .................................................................................. 4-37 <br />XVL UTILITIES AND SERVICE SYSTEMS ...................................................................... 4-42 <br />XVII. MANDATORY FINDINGS OF SIGNIFICANCE ....................................................... 4-44 <br />5.0 CONTACTS AND PREPARERS .................................................................................................5-1 <br />6.0 REFERENCES ..............................................................................................................................6-1 <br />20A-6