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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 & Recommendations <br /> 1. The Site was developed for agriculture in Agricultural chemicals may remain in Site <br /> 1337 or earlier. It has been used soils, both in crop areas and at mixing <br /> primarily for orchard and vineyard. locations. The only way to determine the <br /> Agricultural chemicals were most likely presence or absence of these chemicals <br /> mixed at the irrigation well near is by testing and analysis. Typically, any <br /> southeast corner on the Site. (Current such testing is conducted at the property <br /> and Past on-site) owner's discretion. <br /> 2. Agricultural chemical permits indicateNo olations of the use permit at the Site <br /> that chemicals were applied to the Site in w e identified. The owner should be <br /> 2006. No Restricted Use Products were aware that residues may remain even <br /> applied. (Current and past on-site) when chemicals are applied as permitted. <br /> 3. Surrounding properties to the south and Agricultural chemicals continue to be <br /> west are used for agriculture. (Current applied to these sites. Assuming / <br /> and past off-site) responsible application, no action is <br /> warranted at this time. <br /> 4. Nine pole-mounted transformers were Transformers are of concern because the <br /> observed on the Site. The transformers oil within them may contain PCBs, which <br /> were not labeled PCB-free. (Current on- can contaminate soil in the event of a <br /> site) leak. The property owner may wish to <br /> contact the utility provider regarding the <br /> PCB content of the unlabeled transformer <br /> and any recommended action. <br /> 5. One irrigation well is located on the Site. If the well is not planned for future use, it <br /> It is not currently in use. (Current on-site) should be properly abandoned under <br /> EHD oversight. <br /> 6. Agricultural irrigation infrastructure may Old concrete irrigation pipes may contain <br /> be present on the Site from past farming asbestos. If any such pipes are to be <br /> operations. One known irrigation pipe disturbed, the asbestos content should be <br /> leads from the southern property line to determined, and any material found to <br /> the pump at the center of the Site. (Past contain asbestos should be dealt with in <br /> on-site) accordance with local, State, and Federal <br /> regulations. <br /> LOGE 1109 Page 7 <br />