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�- .. <br /> 2 .0 TECHNICAL DATA <br /> 2. 1 Name and address of site, tank owner, and contact person: <br /> Site and Tank Owner: BJJ Company, Inc. <br /> P.O. Box 30010 <br /> Stockton, CA 95213-0010 <br /> Contact Person: Mr. Bill Neuman <br /> ( 209 ) 941-8361 <br /> 2.2 Map showing site location relative to nearby landmarks: <br /> The site location is shown on Figure 1. <br /> - 2 .3 Layout of the underground tank and piping system: <br /> The approximate location of the tank and piping system is <br /> depicted on Figure 2. <br /> 2.4 Topography, geology, hydrology: <br /> The site is situated on level terrain. The soils at the <br /> cemetery property have been mapped by the U.S.D.A. Soil <br /> Conservation Service as Stockton clay (adobe) . Stockton clay <br /> is a fine-textured, dark gray to black clay, deposited by <br /> quiescent or slow moving water. The parent material was of <br /> mixed origin, but primarily igneous rock. According to the <br /> survey some in-place development of this soil has occurred <br /> also. The development is a tight clay subsoil and is the <br /> result of transport and re-deposition of very fine particles <br /> from the top of the soil profile to the subsoil, resulting <br /> in a high colloidal clay content and impervious structure in <br /> the subsoil. <br /> Deeper lithology and site geology is related to the surface <br /> soils. The site is mapped by the U.S. Geological Survey as <br /> "basin deposits. " Basin deposits have lithologic profiles <br /> dominated by fine-textured materials . However, <br /> intercalating layers of coarser textured materials are <br /> common and usually capable of freely releasing water . <br /> Municipal water wells drilled in the general area penetrate <br /> through alternating clays and sands to a depth of 250 feet <br /> or more before intentionally extracting water. <br /> The closest surface water to the site is Duck Creek, 1/3 of <br /> a mile to the southeast. Mormon Slough is approximately 1.0 <br /> mile to the north. The piezometric level of groundwater has <br /> been reported to be between 45 and 55 feet below the surface <br /> at the site (San Joaquin County Flood Control and Water <br /> Conservation District, 1989 data) . Municipal wells seal off <br /> the first 250 feet because the upper zones of saturation do <br /> not meet quality standards or do not provide sufficient <br /> quantity to be developed ( Bulletin 146, California <br /> 2 <br />