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. J. H. KLEI N FELDER & ASSOCIATES <br /> i GEOTECHNICAL CONSULTANTS • MATERIALS TESTING <br /> LAND & WATER RESOURCES <br /> 2825 EAST MYRTLE STREET <br /> STOCKTON, CA 95205-4794 <br /> (209)948-1345 <br /> File No. 20-1077-87 <br /> -May 26, 1987 <br /> Mr. Albert Bogetti <br /> Post Office Box 705 ENVIRurv1F;wTAL HEALTH <br /> Vernalis, CA 95385 FERMI-I/,SERVICES <br /> Subject: PERCOLATION TEST/BOGETTI PROPERTY <br /> L0(7ATFL% WEST OF McCRACKEN ROAD <br /> SAN JOAQUIN COUNTY, CALIFORNIA <br /> MS-87-40 <br /> Dear Mr. Bogetti: <br /> As requested on May 14, 1987, a representative of our firm performed a per- <br /> colation test at the subject site located west of McCracken Road between <br /> Greenwood Road and Maze Road in San Joaquin County, California. <br /> The percolation test hole was hand drilled and set-up on May 19, 1987, by a <br /> representative of our firm. The test hole was excavated to a depth of approxi- <br /> mately 41 inches and 4-inch diameter perforated PVC pipe was inserted into the <br /> test hole. The test hole was then filled to the surface with relatively clean <br /> water and left to soak overnight. <br /> On May 20, 1987, a representative of our firm returned to the site to <br /> perform the percolation test. The test was performed according to San Joaquin <br /> County guidelines and the last 30 minutes was observed by a county health <br /> officer. The percolation test was measured to have a percolation rate of <br /> approximately 96 minutes per inch. A copy of the county approved test sheet is <br /> attached to this letter. <br /> We trust this letter presents the information requested at this time. If <br /> you have any questions or need additional information, please contact us. <br /> Respectfully submitted, <br /> J. H. KLEINFELDER do ASSOCIATES <br /> t�- <br /> Ro Heinzen, C. E. <br /> SRD:rls <br /> MD45/cc: San Joaquin County Local Health District <br /> OTHER OFFICES: <br /> (airfield • Sacramento • Walnut Creek • Fresno 0 Merced . Reno 9 Las Vegas 0 St. George, Utah <br />