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Project No. 1671-01 <br />Job Name Castello Estates <br />FIELD PERCOLATION TEST RESULTS <br />Percolation Test 7, TP-2 Percolation Test 8, TP-2 <br />Test Depth: 12 inches Test Depth: 8 inches <br />Time Drop Refill Time Drop Refill <br /> 13:07 START 6.0 13:09 START 6.0 _ <br /> 13:37 1.7 6.0 13:39 2.5 6.0 <br /> 14:07 1.3 6.0 14:09 2.2 6.0 <br /> 14:37 1.2 6.0 14:39 2.0 6.0 <br /> 15:07 1.2 6.0 15:09 2.1 6.0 <br /> 15:37 1.1 6.0 15:39 2.0 6.0 <br /> 16:07 1.1 6.0 16:09 2.0 6.0 <br /> 16:37 1.1 END 16:39 2.0 END <br /> <br />10 <br />11 <br />MPI 27.3 MPI 15.0 <br />Based on the procedure established by San Joaquin County, the percolation rate was calculated by <br />considering the smallest reading change observed during the test (Section VII, Procedure 3). These <br />percolation tests were performed by Holdrege & Kull under the guidelines accepted by the San Joaquin <br />County Department of Environmental Health. The results above reflect actual field results. Percolation tests <br />were conducted under the supervision of a registered engineer or engineering geologist from our firm and <br />were periodically observed by a representative of the San Joaquin County Public Health Services <br />Environmental Health Division. <br />Test conducted by J. D. Riley Supervised by Rob Fingerson <br />Title Staff Geologist Registration No. R.C.E. 59813 <br />Date July 16, 2002 County Rep. Steve Shih <br />Client Castello Estates