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Soil Suitability/ Nitrate Loading Study 1rerracon <br /> Whitlow Property Stockton, CA <br /> November 20, 2019 Terracon Project No. NA197078 <br /> Boring Total Depth Depth Interval Soil Type Unified Soil <br /> (feet) (feet) Classification <br /> 0 to 2.0 Silty sand, dry,fine to SM <br /> medium, light brown <br /> 2.0 to 5.0 Sandy lean clay,fine CL <br /> grained, moist,dark brown <br /> Silty clayey sand,fine to <br /> 5.0 to 7.0 medium,moist, yellowish SC-SM <br /> B3 25.0 brown, dense to very dense <br /> Sandy elastic silt,fine to <br /> 7.0 to 13.0 medium, moist, stiff, MH <br /> yellowish brown <br /> Silty sand,fine to medium, <br /> 13.0 to 25.0 moist, dense to very dense, SM <br /> yellowish brown <br /> 1.0 Silty clay, brown CL/ML <br /> 5.0 Silty clay, brown CL/ML <br /> B4 16.0 <br /> 10.0 Lean clay, dark brown CL <br /> 15.0 Lean clay, dark brown CL <br /> 1.0 Silty clay, brown CL/ML <br /> 5.0 Silty clay, brown CL/ML <br /> B5 18.0 <br /> 10.0 Lean clay, dark brown CL <br /> 15.0 Lean clay, dark brown CL <br /> 1.0 Silty clay, brown CL/ML <br /> B6 7.0 <br /> 7.0 Silty clay, brown CL/ML <br /> 1.5.4 Discussion of Soil Lithology <br /> The soils encountered within our percolation test borings ranged between clay, silty clay, silty <br /> sand, and lean clay. Generally speaking, coarse-grained soil has a greater potential for <br /> percolation than fine-grained or cemented soil. <br /> Terracon searched the DWR online Well Completion Records for additional information regarding <br /> soil lithology within Township 03 North, Range 07 East, Section 33. The following water supply <br /> wells were identified nearest the site. <br /> Responsive ■ Resourceful ■ Reliable 10 <br />