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August 14,2001 <br /> Job Number:LG01-244 <br /> Page 7 <br /> The percolation tests were conducted on August 2, 2001 in accordance with the <br /> requirements of San Joaquin County Environmental Health Division. The last '%hour of the test <br /> was observed by Lisa Medina of that office. The result of the percolation tests indicates that <br /> the 11-foot deep test behind the house(near B-2) achieved a satisfactory percolation rate of <br /> 432 minutes per inch. The other four(4)percolation tests did not achieve a satisfactory <br /> percolation rate. <br /> VII. CONCLUSIONS AND RECOMMENDATIONS <br /> In conclusion, a satisfactory percolation rate was achieved behind the existing home at <br /> the existing septic field. The percolation rate was 4.32 minutes per inch. No ground water was <br /> encountered in any of the borings and the depth to ground water according to a recent San <br /> Joaquin County Flood Control and Water Conservation District ground-water map Tran es�p� .�. <br /> between 62 to 68-feet below the ground surface at the site. �t <br /> �J is to" <br /> syqem nn thc4m4nerty�We believe that due to the proposed use and size of the parcel,the depth <br /> to ground water, and the presence of clayey soils,the use of the septic system will not negatively <br /> impact the ground water quality of the area. We recommend that the design and installation of <br /> the septic system follow the requirements established by the San Joaquin County Public Health <br /> Service, Environmental Health Division. <br /> VIII. LIMITATIONS <br /> The conclusions of this report are based oDshGinfofnation provided regarding the <br /> existing and proposed development the use of the subject property, and the site conditions as <br /> they existed at the time we excavated our test hole and performed the percolation test. <br /> in� -P <br /> O <br /> 4 <br /> ff0��' <br />