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k" KLE1 N FELDER <br /> File No. 20-2949-02 <br /> January 19, 1990 ' A IV <br /> i JAN 2 3 1v0J00 <br /> Arnold Meppen & Richard Benevento ENVIRONMENTAL HEALTH <br /> 18801 So. Murphy Road PERMIT/SERVICES <br /> Ripon, CA 95366 <br /> Subject: TEST BORING AND PERCOLATION TEST <br /> PROPERTY AT 18801 SOUTHf'MURPHY ROAD <br /> FAST OF MANTE,.. -- . <br /> SAN JOAQUIN COUNTY, CALIFORNIA <br /> Gentlemen: <br /> As requested, on January 12, 1990 representatives of our firm drilled one test boring <br /> to a depth of approximately 10 feet and drilled and set-up one 3-foot deep percolation <br /> test hole at the requested location. The test boring and percolation test hole were <br /> drilled with a truck mounted drill rig using continuous-flight auger. A continuous log <br /> of the soils encountered in the test boring was maintained by our representative and is <br /> presented on the Log of Boring, Plate II. All soils have been classified according to <br /> the Unified Soil Classification System which is presented on Plate I. <br /> The percolation test hole was filled with water on January 16, 1990 and left to soak <br /> overnight. A representative of our firm returned to the site on January 17, 1990 and <br /> performed the percolation test per San Joaquin County guidelines. The test was <br /> performed for a period of four hours and the last 30 minutes was used to calculate <br /> the percolation rate of 24 minutes per inch. The county approved percolation field <br /> test sheet is included with this letter. <br /> We trust this letter presents the information requested at this time. If you have any <br /> questions, please contact us. <br /> Respectfully submitted, 600 <br /> KLEINFELDER, INC. ��� <br /> Steven R. Davis <br /> Staff e logist <br /> Ron Heinzen, G.P. <br /> Regional Manager <br /> SRD:lcc <br /> cc: Environmental Health S.J. County/Quartaroli & Associates/MD#87 <br /> KLEINFELDER 2825 East Myrtle Street, Stockton, CA 95205 (209) 948-1345 <br />