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8.0 IDENTIFIED CONTAMINATION SOURCES <br /> The following sources of past, current, on-site, and off-site contamination have <br /> been identified as a result of this investigation: <br /> Identified Contamination Source Evaluation <br /> 1. A small house was located on the For any former structures dating <br /> south side of the Site from the from the 1980s or earlier, the <br /> 1950s through the early 2000s. assumption is made that lead- <br /> The old house had a septic system. containing materials and/or <br /> (Past on-site) pesticide residues may be present <br /> in and around the structures. <br /> Underground infrastructure also <br /> may exist in the vicinity of the former <br /> structures, and caution should be <br /> exercised in these areas. The <br /> typical standard of care for SSCRs <br /> does not require any further <br /> investigation of former structures. <br /> 2. Several parked vehicles were Automotive storage and <br /> observed at the adjacent parcel to maintenance can lead to the <br /> the south. (Current off-site) discharge of hazardous materials. <br /> No evidence was identified of any <br /> impacts to the subject Site. <br /> 3. Ten listed hazardous materials Based on the types of listings and <br /> facilities were identified within one- distances from the Site, these <br /> quarter mile of the Site. (Current facilities are not anticipated to have <br /> and past off-site) impacted the Site. <br /> 9.0 RECOMMENDATONS <br /> This report should be seen as a screening tool to identify areas where hazardous <br /> substances may be present on the Site. As part of the land use application <br /> process, the San Joaquin County Environmental Health Department may <br /> recommend that certain actions be taken in response to conditions identified. <br /> Additionally, any conditions out of compliance with local, State, or Federal <br /> regulations should be brought into compliance; it is outside the scope of work of <br /> the Surface and Subsurface Contamination Report to identify these conditions. <br /> LOGE 2139 7 <br />