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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............................................................................................ <br />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 />I. 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 />XVI. 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 />alMliffle", <br />