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3.0 HISTORICAL INFORMATION Partner obtained historical use information about the subject property from a variety of sources. A chronological listing of the historical data found is summarized in the table below: Historical Use Information Period/Date Source Description/Use 1906-1951 Topographic Maps, City Directories Undeveloped 1952-1956 Aerial Photographs, City Directories, Undeveloped with a former unpaved Topographic Maps road 1957-1981 Aerial Photographs, City Directories, Agricultural land with a former unpaved Topographic Maps road 1982-1984 Aerial Photographs, City Directories Undeveloped 1985-Present Aerial Photographs, City Directories, The existing building Topographic Maps, Building Records The subject property appears to have been undeveloped between the years between 1906 and 1952. By 1952, an unpaved road appears on the northeastern side of the subject property. A 1957 aerial photograph shows the noted unpaved road and agricultural land on the subject property. By 1982, the unpaved road was no longer present, and the subject property was undeveloped. Based on building records, the existing building was constructed in 1985. Past and present tenants on the subject property identified in city directories and site observations include: California Pet Food Inc. (1996); Thai Kitchen (2003-2005); Alliance Company Inc. (2005); Eastbay Flooring (2005); Epicurean International (2005-2010); Malo C Valdez (2005); OC Communications (2005-2014); Specialized Engineering Inc. (2005-Present); AGI Engineering Inc. (2010-Present); AGI Manufacturing (2010-Present); Bob Leonard (2010-Present); Soulmates Wines (2010-2014); and Steven Torres (2014). The subject property parcel was historically used for agricultural purposes. There is a potential that agricultural related chemicals such as pesticides, herbicides, and fertilizers, may have been used and stored onsite. The subject property is paved over and covered by a building structure that minimizes direct contact to any potential remaining concentrations in the soil. Additionally, during previous site development activities, near surface soils (where residual agricultural chemical concentrations would have most likely been present, if at all) were generally mixed with fill material or disturbed during grading. Also, it is common that engineered fill material is placed over underlying soils as part of the development activities. Furthermore, it is likely that residual agricultural chemicals (if any) would have likely degraded since the site was last utilized for agricultural purposes. These additional variables serve to further reduce the potential for exposure to residual agricultural chemicals (if any). Based on these reasons, Partner concludes that the possible former use of agricultural chemicals is not expected to represent a significant environmental concern at this time. No potential environmental concerns were identified in association with the current or former use of the subject property. Phase I Environmental Site Assessment PARTNER Project No. 17-184702.1 May 10,2017 Page 7