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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 Newman <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 sods at the <br /> ' property have been mapped by the U.S.D.A. Soil Conservation <br /> Service as Stockton clay (adobe) . Stockton clay as a fine- <br /> textured, dark gray to black clay, deposited by quiescent or <br /> slow moving water. The parent material was of mixed origin, <br /> but primarily igneous rock. According to the survey some <br /> in-place development of this soil has occurred also. The <br /> development as a tight clay subsoil and is the result of <br /> ' transport and re-deposition of very fine particles from the <br /> top of the soil profile to the subsoil, resulting in a high <br /> colloidal clay content and impervious structure an the <br /> 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 as Duck Creek, 1/3 of <br /> a mile to the southeast. Mormon Slough is approximately 1 .0 <br /> ' male 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 Distract, 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 /> 1 <br />