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C) <br /> C'1 <br /> F. <br /> REEVE TRUCKING <br /> r Page No. 4 <br /> A water sample was obtained from a well located at on the site, on April 6, 1999. The <br /> sample was submitted to the FGL Environmental Laboratory and tested for the presence of <br /> dibromochloropropane (DBCP) and Nitrate (NO3). A copy of the test results is included in the <br /> appendix. Test results indicate that DBCP was not detected (ND) and nitrate was not detected <br /> (ND). <br /> F VI. SOIL PROFILE AND PERCOLATION TEST <br /> r~ <br /> The geology of the area is reported to be Holocene age flood-basin deposits which are <br /> common throughout the Central Valley.' In the Central Valley, these deposits were estimated to <br /> be as much as 100-feet thick and because of their fine-grained nature would not yield much water <br /> to well X ndwuld�impede thee"ertical movement ofIwater. <br /> The soils located on the site are reported to be the Jacktone Clay and Jacktone-Urban land <br /> F. complex (Plate 4). The following is an excerpt of the engineering properties of the following <br /> soils.' <br /> i <br /> F Soil Name Depth(in) Unified Soil Liquid Plasticity Septic tank <br /> and Map Classification Limit Index absorption fields <br /> Symbol <br /> k <br /> I Jacktone 1 0-22 Clay CL,CH 40-60% 20-35 Severe: cemented <br /> Clay, 180 22-34 Clay loam, Silty Clay CL,CH 40-60% 20-35 pan, peres slowly. <br /> r 34-37 Indurated <br /> 37-46 Loam,clay loam CL-ML,Cl 25-40% 5-15 <br /> Fi 46-60 Cemented <br /> Jacktone 0-22 Clay CL,CH 40-60% 20-35 Severe: cemented <br /> Urban 22-34 Clay loam, Silty Clay CL,CH 40-60% 20-35 pan,peres slowly. <br /> I Land, 34-37 Indurated <br /> 181 37-46 Loam,clay loam CL-ML,Cl 25-40% 5-15 <br /> 46-60 Cemented <br /> F, Note: The table descriptions do not necessarily reflect the site-specific conditions encountered. <br /> A19 fao deep soiljb-ori ng;was drilled-to locate a_soil stratutn_suitable:.fora deep <br /> 1per olation_test. For,the,app�ro mate_location of-the test hole (B-I) see the Location-Map' (Plate <br /> 2 Page, R.W., 1986,Geology of the Fresh Ground-Water Basin of the Central Valley,California,with <br /> Texture Maps and Sections, USGS Prof. Paper 1401-C. <br /> h� 3 USDA Soil Conservation Service,Soil Survey of San Joaquin County,California <br /> I 29ERS0 <br /> v 'Y <br /> Z � <br /> f gs s O GAP <br /> V � <br />