KIMLEY-HORN & ASSOCIATES 6 - 2010

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TASK 2 -- PHASE I ENVIRONMENTAL SITE ASSESSMENT Kimley-Horn will prepare a Phase I Environmental Site Assessment (ESA) in accordance with the due diligence procedures and methodology presented in the American Society for Testing 8, Materials (ASTM) E 1527-05. The propose of the Phase I ESA is to provide the following: • An identification of Recognized Environmental Conditions (RECs) as defined in ASTM E 1527-05,1.1.1 • An opinion of the impacts on the property resulting from conditions identified during the investigation, by a qualified Environmental Professional (EP) (ASTM E 1527-05,12.6) • An opinion, by a qualified EP, on the need for additional investigations (ASTM E 1527-05, 12.6.1) • A statement consistent with ASTM E 1527-05, 12.13, on the qualifications of the EP and the suitability of the Phase I ESA to meet the requirements of The All Appropriate Inquiry Rule, CFR 40 312. This Phase I ESA will also provide comments on non -scope considerations defined under ASTM -E 1527-45,13. The assessment will reflect the general national standard of practice and the local customary practice as understood by Kimley-Horn. The EP will use ASTM 1527-05 along with our judgment and experience when reviewing results of the assessment and in identifying findings and RECs (ASTM E 1527-05, 1.6). Kimley-Horn's scope of services for conducting the Phase I ESA consists of the sub -tasks set forth below. The following tasks refer to only that information that is defined as reasonably ascertainable (ASTM E 1527-05, 6.2.1). TASK 2.1 RECORDS REVIEW This task consists of the following; An environmental database search will be prepared encompassing the minimum search distances listed in ASTM E1527-05, 8.2.1. This report will be reviewed for known and suspected contaminated sites. Where available, local environmental agency files and other local governmental authority files, as defined in ASTM E 1527-05, 8.2.2 may be reviewed, if the EP determines the files to be reasonably ascertainable and relevant to the successful completion of the Phase I ESA. • Kimley-Horn will review readily available databases on institutional and engineering controls (IC/EC) and Activity Use Limitations (AULs). • Kimley-Horn will retrieve and examine readily available historical aerial photographs of the site and the surrounding vicinity. Aerial photographs will be researched to the earliest date that is reasonably obtainable. Kimley-Horn will obtain and review readily available historical city directories, fire insurance maps, and historical topographic maps. City of Santa Ana - 2 - Kimley-Horn and Associates, Inc. MND for McDonald's Restaurant Apr!! 30, 2010