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llft� ../ <br /> July 24,2003 <br /> Job Number:LG03-201 <br /> Page 6 <br /> Table 4. <br /> Selected Soil Properties of the Area Surrounding the Property. <br /> (San Joaquin Soil Survey Report) <br /> Soil Name and Depth(in) Unified Soil Salinity Soil Septic tank <br /> Map Symbol Classification mmhos/cm Reaction absorption <br /> PH fields <br /> Hollenbeck 0-10: Silty clay. CH,CL <2 6.6-8.4 Severe: peres <br /> silty clay,0 to 10-37: Clay,silty clay. CH,CL < 6.6-8.4 slowly. <br /> 2 percent 37-42: Silty clay loam, CL < 6.6-8.4 <br /> slopes clay loam <br /> 42-60: Cemented <br /> ote: The table descriptions do not necessarily reflect site-specific soil properties. <br /> Four(4) soil borings were drilled by Neil O. Anderson& Associates, Inc., on July 3, <br /> 2003, two on each proposed parcel (see Plate 1). The borings were for percolation test holes <br /> used to conduct percolation tests on each parcel per the requirements of San Joaquin County <br /> Environmental Health Department. The drilling equipment utilized was a truck mounted Mobile <br /> Rr �/ B-53 hollow stem auger with a diameter of 6 inches. No ground water was encountered in any <br /> of the borings. <br /> B 1 and B2 were drilled on the south parcel. B 1 was drilled to three feet, the shallow ��,2� ✓ <br /> soils encountered, consisted of silty clay for the first two feet, after which sandy silt with some <br /> clay was encountered through three feet. B2 was drilled to 25 feet. During the drilling of B2 <br /> sandy silt was encountered from 1 to 2 feet, sandy silt with some clay was encountered from 2 to �� 3� ✓ <br /> 17 feet and sand was found from 17 to 25 feet. <br /> B3 and B4 were drilled on the north parcel. B3 was drilled to three feet, the shallow <br /> soils encountered, consisted of silty clay for the first two feet, after which sandy silt with some <br /> clay was encountered through three feet. B4 was drilled to 25 feet. During the drilling of B4 <br /> sandy silt was encountered from 1 to 2 feet, sandy silt with some clay was encountered from 2 to <br /> 17 feet and sand was found from 17 to 25 feet. <br /> The purpose for drilling shallow and deep percolation test holes on each of the parcels <br /> rpERSO <br /> ` Z r <br /> O ti <br /> 'rso� <br /> ♦r <br />