Item 18 - Appeal Application Nos. 2023-02 and 2023-03 for Cabrillo Town Center project

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6.0 HISTORICAL RESOURCE REVIEW The objective of consulting historical sources is to develop a history of the previous uses of a property and surrounding area, in order to help identify the likelihood of past uses having led to recognized environmental conditions in connection with a given property. The goal of the historical research is to identify all obvious uses of a subject property from the present, back to the property's first developed use, or back to 1940, whichever is earlier. The environmental professional exercises professional judgment in reviewing only as many of the standard historical sources referenced in ASTM E 1527 that are deemed necessary, are reasonably ascertainable and are likely to be useful. Historical resources reviewed during the completion of this assessment are referenced below. Copies of historical resources (obtained from the prior Phase I ESA) are included in Appendix C. 6.1 Aerial Photographs We reviewed historical aerial photographs from the years 1938, 1946, 1952, 1963, 1966, 1972, 1977, 1985, 1989, 1994, 1995, 2002, 2005, 2009, 2012, and 2016 obtained by Environmental Data Resources, Inc. (EDR). The table below presents the results of the photograph review. Photograph Year Site Observations Adjoining Property Observations The Site appears to be utilized for Adjoining properties are comprised of 1938-1966 agricultural purposes. agricultural or vacant land, with some commercial and residential development. North: Existing park. The structure located in the southeast South: Agricultural. 1972 corner of the Site is visible, while the balance appears to be graded and/or East: Undergoing construction associated with vacant land. the current improvements. West: Agricultural. The structure on the southwest corner North: No significant changes. of the Site is visible, while construction South: Graded land. 1977 of the two remaining structures in the northern portion of the Site is ongoing. East: Developed in its current configuration. The balance of the Site appears to be asphalt -paved parking. West: Agricultural and vacant land. 1985 to 2016 The Site appears to be in its current Adjoining properties appear generally similar to configuration. their current configurations. As stated above and previously in the report, the Site was previously used for agricultural purposes. During historical agricultural activities throughout the State of California, various pesticides and more specifically OCPs were commonly applied during the normal course of agricultural operations. Such compounds have since been banned from production and use in the United States. Based on the regulatory and historical research completed during the preparation of this assessment, no information has been revealed that would lead us to believe that an accidental spill or release of pesticide products has occurred at the Site. In addition, prior soil sampling and analysis activities completed at the Site did not reveal detections of agricultural chemicals or other contaminants of concern at concentrations Phase I Environmental Site Assessment January 16, 2022 Cabrillo Town Center, Santa Ana, CA ouncil 18 —1121 10/3/2023