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• 7.5 National_Pipeline Mapping System Database <br /> Live Oak reviewed the National Pipeline Mapping System (NPMS) database on <br /> June 29, 2016 for evidence of hazardous materials pipelines within one-quarter <br /> mile of the Site. Two pipelines were identified within the search radius; both <br /> pipelines are in service, transmit natural gas, and are operated by PG&E. The <br /> pipelines run along West Ripon Road approximately 800 feet south of the Site. <br /> Local pipelines which are not mapped by the NPMS may also be present in the <br /> area. <br /> 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. The Site has been used for As with any agricultural property, <br /> agriculture since 1937 or earlier, agricultural chemical residues may <br /> and for orchard since 1975 or be present in Site soils. The San <br /> earlier. Agricultural chemicals Joaquin County Agricultural <br /> • continue to be applied to the Site, Commissioner's office regulates <br /> as indicated in Appendix 5. No chemical application. <br /> violations were identified. (Current <br /> and past on-site) <br /> 2. Three domestic wells and three It appears that the wells and septic_ <br /> septic systems are located on the systems are currently in use. <br /> Site. (Current on-site) <br /> 3. Two pole-mounted transformers The utility provider may have <br /> were observed on the Site; they additional information about the <br /> were not labeled free of PCB content of pole-mounted <br /> polychlorinated biphenyls (PCBs). transformers. <br /> (Current and past on-site) <br /> 4. Two gas wells were identified Gas wells are regulated by the <br /> approximately one-quarter mile Department of Oil, Gas, and <br /> from the Site. Both are plugged Geothermal Resources. Based on <br /> and abandoned dry holes. (Past the distance from these wells to the <br /> off-site) Site, no impact to the Site is <br /> anticipated. <br /> • <br /> LOGE 1614 8 <br />