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k'q KLEINFELDER 2 INTRODUCTION Kleinfelder was retained by Hakeem, Ellis & Simonelli to conduct a Phase I Environmental Site Assessment (ESA) of a property located at Tracy Boulevard and Interstate 580 in Tracy, California. The subject property is hereafter referred to as the"site". The ESA was completed in accordance with the guidelines and limitations of the American Society for Testing Materials (ASTM) "Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process"E1527-97. The purpose of this assessment is to assist the client in evaluation of"recognized environmental conditions" at the site. A recognized environmental condition is defined by the ASTM standard as "the presence or likely presence of any hazardous substances or petroleum products on a property under conditions that indicate an existing release, a past release, or a material threat of a release of any hazardous substances or petroleum products into structures on the property or into the ground, groundwater or surface water of the property. The term includes hazardous substances or petroleum products even under conditions in compliance with laws." Resumes of environmental professionals conducting this site assessment are included in Appendix E of this report. 2.1 REPORT FORMAT The following sections describe Kleinfelder's work scope: Chapter 3, Site Setting, is a compilation of information concerning the site's location, physical setting, and geologic and hydrogeologic conditions. Chapter 4, Records Review, is a compilation of Kleinfelder's review of several databases available from the Federal, State, and local regulatory agencies regarding hazardous substance use, storage, or disposal at the subject site; and for off-site facilities up to a mile radius from the site. This chapter includes interviews and telephone conversations conducted by Kleinfelder with people knowledgeable about the site and local regulatory personnel. Chapter 5, History of the Site, summarizes the history of the site and adjoining properties based on various sources, which may include a review of aerial photographs, city or suburban directories, historical maps, and information provided to Kleinfelder by the client, such as a chain of title or preliminary title report. This chapter also includes interviews with persons knowledgeable about the site. 20-4014-05.P01/2019R414r Page 2 of 23 Copyright 1999,Kleinfelder,Inc. July 1, 1999