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On-Site Wells <br /> No operational wells are currently located on the Site. One well permit was identified for <br /> the Site from among files at the San Joaquin County Environmental Health Department. <br /> The permit, dated August 1982, was for a test hole for a new well; it is unclear whether <br /> the well was ever completed. The permit is included in Appendix 4. <br /> It appears based on review of the report by Arcadis (2018) for the service station to the <br /> north of the Site (discussed above) that several ground-water monitoring wells are <br /> located on the subject parcel; these wells do not appear to be located on the southern <br /> portion of the parcel designated as the subject Site. <br /> The topographic map for the area (Plate 4) indicates an "artesian well" on the Site; this <br /> feature is likely a natural spring. <br /> Water Sample <br /> No water sample was collected as part of this investigation. <br /> Soil Profile and Geologic Information <br /> The Site is depicted on the Preliminary geologic map of the Midway Quadrangle, <br /> Alameda and San Joaquin Counties, California (Diblee, 1980). The Site is depicted <br /> within a map unit of Holocene alluvium (Plate 7). <br /> The surface and near surface soils located at the Site are reported by the USDA Web <br /> Soil Survey to be composed of Carbona clay loam and Calla-Pleito complex (Plate 8) <br /> (USDA, 2019). The table below presents some selected properties of these soils: <br /> LOGE 1849 Page 4 <br />