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. t r <br /> kT1 KLEINFEL 'DER <br /> An employee owned company <br /> File No. 20744.G01 <br /> September 20, 2002 (�( (J /J <br /> Lr1lL� �IJ�1"l L( <br /> EL-;' <br /> Mr. Ken Kj eldsen FEB 2 0 2003 <br /> Kjeldsen, Sinnock &Neudeck, Inc. ENVIRONMENT HEALTH <br /> 711 North Pershing Avenue PERMIT/SERVICES <br /> Stockton, CA 95201-0844 <br /> Subject: PERCOLATION TESTING <br /> LINDBERG PROPERTY <br /> 950 NORTH FINE ROAD a-XQ•v� <br /> LINDEN, CALIFORNIA <br /> Dear Mr. Kjeldsen: <br /> Kleinfelder is pleased to present the results of our percolation testing for a proposed parcel split <br /> to be located at 950 North Fine Road in Linden, California. On a preliminary basis, we <br /> understand the subject 8-acre project site will be divided into four parcels of 2 acres each. The <br /> site is currently undeveloped farmland. <br /> During the time of our investigation, groundwater was not encountered in any of our borings. <br /> Lines of Equal Depth to Groundwater contour maps published in groundwater reports by the San <br /> Joaquin County Flood Control and Water Conservation District show groundwater levels in the <br /> project area ranging from about 120 to 170 feet below ground surface from Spring 1981 to <br /> Spring 1999. <br /> The subsurface conditions at the site were explored for our current study on August 23 and <br /> Septe er 3,202, by drilling percolation borings to depths of between about 10 and 25 feet <br /> below site grade. Shallower percolation tests (approximately 3.5 feet in depth) were performed <br /> during a previous investigation and failed. Reference is made to our earlier study dated June 15, <br /> 1987 (File No. 20-2925-01). The borings were drilled using a Simco 2400 truck-mounted drill <br /> rig equipped with 6-inch O.D. solid-stem auger. The approximate percolation test locations are <br /> presented on the attached plate. <br /> Based on our findings, the subsurface soils encountered consisted of surficial brown sandy silts <br /> and clays underlain by interbedded layers of light brown to brown sandy silts and clays and silty <br /> and clayey sands to the maximum depths explored. Based on blow count data, most of the upper <br /> soils can be classified as "hardpan." <br /> 20744.G01/ST02R522 September 20,2002 <br /> ©2002 Kleinfelder,Inc. Page 1 of 2 <br /> KLEINFELDER 2825 East Myrtle Street,Stockton,CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />