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k4 KLEINFELDI R <br /> File No. 20-2662-06ND <br /> February 28, 1990 <br /> i <br /> slotted PVC pipe to avoid disturbance of the soils when the water <br /> was poured into the pipe. The percolation tests were performed on <br /> February 21, 1990 by a representative of our firm. The test holes <br /> were filled with approximately 3 feet of relatively clean water the <br /> day before the tests were performed and left to soak overnight. <br /> Our representative returned to the site to perform the percolation <br /> tests in accordance with guidelines outlined by San Joaquin County. <br /> The last 30 minutes of each test was observed by a County <br /> sanitarian. The results of all the percolation tests performed for <br /> i <br /> this project are presented on Table I, included with this letter. <br /> We trust this letter presents the information required at this <br /> time. Copies of the county approved sheets for the 5 recentlyl <br /> performed deeper tests are included with this letter. If you have �j <br /> any questions regarding this project, please contact us. <br /> 1I <br /> Respectfully submitted, <br /> KLEINFELDER, INC. <br /> 4Y " v <br /> Steven R. Davis <br /> Staff Geologist <br /> Patrick C. Dell, C.E. <br /> Project Engineer <br /> I <br /> SRD:rlp/MD4/cc: San Joaquin County Environmental Health <br /> 2 <br /> Is <br /> 4 <br /> I <br /> i <br />