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TABLE OF CONTENTS <br /> INTERIM ENVIRONMENTAL ASSESSMENT REPORT Page <br /> SECTION ONE INTRODUCTION AND SCOPE I <br /> ' INTRODUCTION 1 <br /> SITE LOCATION AND IDENTIFICATION 2 <br /> Site Location 2 <br /> Existing Site Conditions 2 <br /> PURPOSE OF ENVIRONMENTAL ENGINEERING SERVICES 3 <br /> SCOPE OF SERVICES 3 <br /> Task 1 - Quarterly Groundwater Sampling and Analyses 4 <br /> ' Task 2 - Soil Vapor Survey 5 <br /> Pre-Field Activities 5 <br /> Soil Vapor Survey Field Activities 5 <br /> ' Task 3 - Sol] Borings 6 <br /> Task 6 - Limited Research 7 <br /> ' SECTION TWO LIMITED RESEARCH 9 <br /> REVIEW OF SANBORN FIRE INSURANCE MAPS 9 <br /> 1926 Sanborn Fire Insurance Map 9 <br /> ' 1950 Sanborn Fire Insurance Map 10 <br /> REVIEW OF AERIAL PHOTOGRAPHS 10 <br /> 1937 Aerial Photograph 10 <br /> 1940 Aerial Photograph 10 <br /> 1952 Aerial Photograph 11 <br /> 1957 Aerial Photograph 11 <br /> ' 1963 Aerial Photograph 11 <br /> 1968 Aerial Photograph 12 <br /> 1977 Aerial Photograph 12 <br /> ' 1980 Aerial Photograph 13 <br /> 1988 and 1992 Aerial Photographs 13 <br /> CITY OF LODI TELEPHONE DIRECTORIES 13 <br /> 1959 Telephone Directory 13 <br /> ' 1965 Telephone Directory 14 <br /> REVIEW OF CITY OF LODI BUILDING/PUBLIC WORKS DEPARTMENT <br /> RECORDS 14 <br /> ' REVIEW OF PREVIOUS REPORTS 15 <br /> Uriah Incorporated Reports 15 <br /> EPM Technologies Reports 19 <br /> ' Regional Groundwater Quality 20 <br /> SECTION THREE SUMMARY OF FIELD ACTIVITIES 22 <br /> ' EXISTING MONITORING WELL SAMPLING 22 <br /> Groundwater Elevation Measurements 22 <br /> Well Purging and Sampling 22 <br /> SOIL VAPOR SURVEY 23 <br /> Probe Locations 23 <br /> Soil Vapor Survey Results 24 <br />