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Identified Contamination Source Evaluation & Recommendations <br /> The Site was developed for Agricultural chemicals may remain in Site <br /> agriculture in the 1940s or earlier. soils. The only way to determine the <br /> 1. Past land uses have included presence or absence of these chemicals <br /> orchard, vineyard, and crop or is by testing and analysis. Typically, any <br /> pasture land. (Past on-site) such testing is conducted at the property <br /> owner's discretion. <br /> Surrounding properties are used for Agricultural chemicals continue to be <br /> 21. agriculture. (Current .and past off- applied to these sites. Assuming <br /> site) responsible application, no action is <br /> warranted at this time. <br /> It appears that a relatively large <br /> agricultural operation was once located <br /> on the Site. Although the specific function <br /> of the former structures is unknown, it is <br /> possible that agricultural chemicals, fuel <br /> constituents, or other contaminants may <br /> be present in the vicinity of these former <br /> structures. An animal facility, such as the <br /> Three large agricultural structures former hog ranch, could result in elevated <br /> and were constructed on the Site in levels of nitrates and other contaminants. <br /> 1 the 1950s or 1960s; two were Lead- and asbestos-containing materials <br /> removed in the 1980s or 1990s. may be present in the shed. Any <br /> The third structure, a large shed, remodeling or demolition should be <br /> remains. A hog ranch was conducted in accordance with local, <br /> reportedly operated on the Site. A State, and Federal regulations regarding <br /> 3. residence was present on the Site these constituents. Lead also may be <br /> from the 1950s or 1960s until it present in the soil surrounding the shed <br /> burned dawn approximately four and former structures. The ground <br /> years ago. One septic system beneath the shed and former structures <br /> destruction permit was identified for may have been treated with <br /> the residence. (Current and past environmentally persistent pesticides. <br /> on-site) The property owner should consider <br /> these possibilities before disturbing the <br /> soil in the area of the shed and former <br /> building footprints. Although the septic <br /> system for the residence has been <br /> appropriately destroyed, additional <br /> underground infrastructure related to the <br /> former structures may exist on the Site. <br /> LOGE1014 <br /> Page 8 <br /> I <br />