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F n <br /> ON <br /> ■I A� CONSATERI LS <br /> rrvsP�crronr&MATERIALS <br /> TESTING LABORATORY <br /> North American Technical Services <br /> u <br /> June 5,2009 <br /> Rafael Munoz <br /> 25192 E. River Rd. <br /> Escalon CA 95320 <br /> 71 <br /> L Subject: Percolation Testing for New Ag Store Septic System <br /> 25192 E.River Rd. <br /> r' Escalon CA 95320 <br /> On 615/2009, Justin Hasley of North American Technical Services conducted 1 <br /> I 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 /> Test# ,� Per tion <br /> 1 in ( 9.26min/inch <br /> + Please note that design values for septic systems in San Joaquin County can be found in the <br /> I 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.s j gov.orglehd/docs/pdf/Onsite%2OWastewvater%2ODi.sposal%2OStandards.pdf <br /> Please note that the leach field as drawn includes some area under vehicle traffic. The Comity <br /> design standards require that leach fields not bear vehicle_ traffic. Please seethe county standard for design <br /> l ' and setback requirements. . <br /> Respectfully Submitted, ., <br /> 1!e�IR. Soares;R E# 182601W <br /> North American Technical Services �^ <br /> No. 18260' <br /> Exp: <br /> T'�lE QF CAS-�F�� <br /> 4713 ENTERPRISE AVE.•SUITE 4•MODESTO•CALIFORNIA•95355.209-545-1108 <br />