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ELI A T d& 11 CONSTRUCTION <br /> ��� , <br /> INSPECTION& BORAMATERIALS <br /> TESTING LABORATORY <br /> i <br /> North American Technical Services <br /> June 5,2009 <br /> i <br /> Rafael Munoz <br /> 25192 E.River Rd. <br /> Escalon CA 95320 <br /> Subject: Percolation Testing for New Ag Store Septic System <br /> 25192 E.River Rd. <br /> Escalon CA 95320 <br /> On 61512009, Justin Hasley of North American Technical Services conducted 1 <br /> percolation test in an auger boring at a depth of 40 inches in the. proposed leach field (see <br /> Percolation Test report for location). The tests were performed in accordance with San Joaquin <br /> County requirements for preparing and presaturating the soil in the test hole. <br /> After presaturation, we determined the stabilized time for the water level to drop one inch. ± <br /> Percolation test results are as follows: <br /> T Depth' Perkolation Rate <br /> 1. 0 in 1.9.26 min/inch <br /> Please note that design values for septic systems in'Sari Joaquin County can be found in the <br /> San Joaquin County Environmental Health Department publication "Onsite.Wastewater Disposal <br /> Standards",available for download at the EHD website,at the following address: <br /> http://www.sjgov.org/ehd/docgpdf/Onsite%2OWastewat6r%o2ODisposal%2OStandards.pdf <br /> Please note that the :leach field as drawn includes some area under vehicle traffic. . The County <br /> design standards require that leach fields not bear.vehicle traffic. Please seethe county standard for design <br /> and setback requirements. <br /> Respectfully Submitted, . <br /> e����SS1pN I <br /> Abel R Shares;AE#71�V60 <br /> North American Technical Services .: <br /> LLj No. 18260 <br /> Exp.� * 1 <br /> ` TSFCp,_v� <br /> 4713 ENTERPRISE AVE.•SUITE 4•MODESTO•CALIFORNIA •95356.209-545-110$ i i <br />