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8.0 IDENTIFIED CONTAMINATION SOURCES <br /> The following sources of past, current, on-site, and off-site contamination have been <br /> identified as a result of this investigation: <br /> Identified Contamination Source Evaluation S Recommendations <br /> 1. The Site was developed for agriculture in The owner should be aware that residues <br /> 1937 or earlier. Agricultural chemical use may remain in chemical application, <br /> records (Appendix 5) indicate that mixing, and storage areas even when <br /> various products have been applied to chemicals are used as permitted. The <br /> the Site from 2008 through the present. only way to determine the presence or <br /> The Site is currently an almond orchard. absence of these chemicals is by testing <br /> Agricultural chemicals were stored in the and analysis. Typically, any such testing <br /> barn until approximately 30 years ago. is conducted at the property owner's <br /> (C orrent and Past on-site) discretion. <br /> 2 Surrounding properties are used for Agricultural chemicals continue to be <br /> agriculture. (Gurrent and past off-site) applied to these sites. Assuming <br /> responsible application. no action is <br /> warranted at this time. <br /> 3 The structures on the Site appear to Lead- and asbestos-containing materials <br /> date to 1952 or earlier, except for the may be present in the structures on the <br /> modular home, which was constructed Site dating to the 1980s and earlier. Any <br /> around 1978. (Current and past ori-site) remodeling or demolition should be <br /> conducted in accordance with local.. <br /> State, and Federal regulations regarding <br /> these constituents. Lead also may be <br /> present in the soil surrounding these <br /> structures. The ground beneath the <br /> structures may have been treated with <br /> environmentally persistent pesticides. <br /> The property owner should consider <br /> these possibilities before disturbing soil in <br /> the area of the building footprints. <br /> 4. Two additional mobile homes were Lead may be present in the soil <br /> located on the Site in the 1980s. (Past surrounding these former structures. The <br /> on-site) ground beneath the structures may have <br /> been treated with environmentally <br /> persistent pesticides. The property owner <br /> should consider these possibilities before <br /> disturbing soil in the area of the building <br /> footprints. <br /> LOGE 1319 Page 7 <br />