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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N D A S S 0 C I A T E S INSPECTIONS a TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> June 4, 2008 W� C� <br /> NCIA Project Number: LGS080510 <br /> Lisa Medina JUN 0 6 2008 <br /> San Joaquin County Environmental Health Department ENViRO(NMENT HEALTH <br /> 600 East Main Street PERMIT,/SERVICES <br /> Stockton, CA 95212 <br /> Re: Addendum Letter <br /> North Rond Road Subdivision, APN: 011-050-07 <br /> 21301 North Rond Road <br /> Lodi, California <br /> Dear Lisa, <br /> The following discussion concerns changes for the Soil Suitability Study dated April 30, 2008 for <br /> the property located at 21301 North Rond Road. The county application number for the project is <br /> PA-07-17f-(MS) <br /> Table 3 <br /> Summary of Percolation Tests <br /> Percolation <br /> Test No., Test Percolation Rate Test Comments <br /> Date Tested Depth (feet) (minutes/inch) Duration (see notes) <br /> P-1 (shallow) 3.22 4.38 ✓ 4-hr Satisfactory percolation <br /> 4-29-08 rate <br /> P-2 (shallow) 3.24 8.62 4-hr Satisfactory percolation <br /> 4-29-08 rate <br /> P-3 (shallow) 3.22 2.97 4-hr Satisfactory percolation <br /> 4-30-08 rate <br /> P-4 (shallow) 3.22 9.62 4-hr Satisfactory percolation <br /> 4-29-08 rate <br /> P-5 (shallow) 3.26 19.23 4-hr Satisfactory percolation <br /> 4-30-08 rate <br /> P-6 (shallow) 3.28 25.0 4-hr Satisfactory percolation <br /> 4-30-08 rate <br /> P-7 (shallow) 3.25 25.0 4-hr Satisfactory percolation <br /> 4-30-08 rate <br /> * A satisfactory percolation rate for a "shallow"test is less than or equal to 60 minutes per inch. <br /> ANGELS CAMP LODI MODESTO RENO • SACRAMENTO WALNUT CREEK <br /> L 0 D 1 902 Industrial Way Lodi,CA 95240 209.367.3701 • FAX 209-369.4228 www.noanderson.com <br />