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July 11, 2007 <br /> NOA Project Number. E07094A <br /> 6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal area of the site have demonstrated a satisfactory percolation <br /> F1rate in accordance with the requirements of the EHD for the use of a standard septic system. <br /> 6.8 Discussion of Septic System Sizing <br /> F11Our office has been contracted by the owners to design the septic system design and layout for the <br /> F1proposed temple septic system expansion. These plans will be forthcoming. <br /> 7.0 CONCLUSIONS <br /> 1 J In summary, a satisfactory percolation rate of the soil was achieved in the proposed septic disposal <br /> area of the site. The septic disposal area of the proposed expansion appears suitable for a standard <br /> septic system expansion. Our.office has been contracted by the owners to design the septic system <br /> F! design and layout for the proposed temple septic system expansion. These plans will be <br /> forthcoming. In addition to these conclusions, please see the conclusions for the attached Nitrate <br /> Loading Study,Part II. <br /> F <br /> No ground water was encountered in any of the borings drilled on the property.The depth to <br /> ground water was found to be between approximately 60 and 70 feet below the ground surface for <br /> the period of Fall 1998 and Spring 1999 based on the San Joaquin County Ground Water Maps. <br /> The water well on site was tested for nitrate and DBCP. DBCP was not detected in the water <br /> sample.The nitrate concentration in ground water was found to be 1.0 mg/L-N031 which is well <br /> below the maximum contaminant drinking water limit of 45 mg/L-NO3. <br /> i <br /> 8.0 LIMITATIONS <br /> The conclusions of this report are based on the information provided regarding the existing and <br /> proposed development, the use of the subject property,and the site conditions as they existed at the <br /> time we excavated our test holes and performed the percolation tests. It was assumed that the test <br /> holes and percolation test results are representative of the subsurface conditions in the general area. <br /> Our professional services were performed, our findings obtained, and our conclusions proposed in <br /> accordance with generally accepted engineering principles and practices. This warranty is in lieu of <br /> t all other warranties either expressed or implied. Test findings and statements of professional <br /> opinion do not constitute a guarantee or warranty, expressed or implied. <br /> F <br /> 10 <br /> l <br />