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Permethrin (Perm-up 3.2, Permethrin 3.2) is a broad-spectrum insecticide with a low <br /> toxicity to humans. It has a half-life of three to six weeks. Permethrin binds strongly to <br /> soil particles and is practically insoluble in water. <br /> The Agricultural Commissioner's records are included in Appendix 5 of this report. <br /> 7.6 Department of Oil, Gas, and Geothermal Resources Maps <br /> The California Department of Oil, Gas, and Geothermal Resources (DOGGR) Online <br /> Mapping System (DOMS) was queried on November 26, 2010 for mapped oil or gas <br /> wells within one-quarter mile of the subject Site. No wells were identified in the area. <br /> 7.7 National Pipeline Mapping System Database <br /> Live Oak reviewed the National Pipeline Mapping System (NPMS) database on <br /> November 26, 2010 for evidence of hazardous materials pipelines within one-quarter <br /> mile of the Site. No pipelines were identified within the search area. <br /> 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 /> The Site was developed for Agricultural chemicals may remain in Site <br /> agriculture in 1937 or earlier. Since soils, both in crop areas and at mixing <br /> that time, it has been used for locations. The only way to determine the <br /> 1. orchard and vineyard. Chemicals presence or absence of these chemicals <br /> are reportedly mixed at the irrigation is by testing and analysis. Typically, any <br /> well and near the residences on the such testing is conducted at the property <br /> Site. (Current and Past on-site) owner's discretion. <br /> Agricultural chemical permits <br /> indicate that almonds and <br /> persimmons have been grown on <br /> the Site since 2005. Two Restricted Wviolations of the use permit at the Site <br /> were identified. The owner should be <br /> 2. Use Products have been applied 'to aware that residues may remain even <br /> the Site, Supracide 25W when chemicals are applied as permitted. <br /> (methidathion) and Perm-Up 3.2 <br /> (permethrin). (Current and past on- <br /> site) <br /> LOGE1028 Page 7 <br />