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above residential human health risk -based screening levels. As such, the historical agricultural use of <br />the Site is not considered to be a recognized environmental condition in connection with the Site. <br />6.2 Topographic Maps <br />Our firm reviewed topographic maps from the years 1896, 1898, 1901, 1902, 1932, 1935, 1942, <br />1948/1949, 1950, 1964/1965. 1972, 1981, and 2012 obtained by EDR. In general, the Site was noted <br />as being shaded green for agricultural use or due to lack of map details. No remarkable features or <br />structures were noted on the Site. However, adjoining roadways are visible. <br />6.3 City Directories <br />Our firm reviewed a city directory abstract prepared by EDR. The abstract was prepared using available <br />city directories dated 1920 to 2014. Listings for the Site included various commercial office and <br />medical related occupants. The city directories were consistent with previously identified Site <br />knowledge and no listings of environmental concern were noted. Adjoining and nearby properties in <br />the surrounding area are primarily referenced in the directories as being used for general commercial <br />and retail purposes of no significant environmental concern to the Site. <br />6.4 Fire Insurance Maps <br />No fire insurance maps were found showing the Site or nearby properties. <br />6.5 Other Historical Sources <br />Other historical sources are referenced in the ASTM E1527 practice as any source or sources other <br />than the standard historical sources referenced in the practice that are credible to a reasonable person <br />and that identify past uses of a subject property. This category includes, but is not limited to <br />miscellaneous maps and directories, newspaper archives, internet sites, community organizations, local <br />libraries, historical societies, current owners or occupants of neighboring properties, or records in the <br />files and/or personal knowledge of the property owner and/or occupants. No historical sources other <br />than the standard sources described above were deemed necessary and useful to assist in identifying <br />recognized environmental conditions. <br />Phase I Environmental Site Assessment January 16, 2022 <br />Cabrillo Town Center, Santa Ana, CA <br />ouncil 18 —1122 10/3/2023 <br />