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L <br /> LNovember 27,2006 <br /> NOA Project Number. E06115A <br /> 7.0 CONCLUSIONS <br /> i In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> ` areas of the Site. The area of the proposed septic disposal field for the snack shop and marina office <br /> appears suitable for a standard septic system.The septic disposal area for the recreational vehicles <br /> appears suitable for an engineered septic system. Our office has been contracted by the client to <br /> V prepare an engineered septic system design for the disposal field associated with the 38 recreational <br /> vehicles. <br /> Ground water was encountered at approximately 12.5 feet in the proposed disposal area of the <br /> snack shop and marina office. Groundwater was encountered at 2.8 feet in the proposed disposal <br /> area of the recreational vehicles. The San Joaquin County flood Control and Water Conservation <br /> District found the depth to ground water between approximately 0 and 10 feet below the ground <br /> surface for the period of Fall 1998 and Spring 1999.The on-site water well was tested for nitrate and <br /> DBCP. Neither of the constituents were detected in the tested sample. Please see the attached <br /> LNitrate Loading Study Part II for additional conclusions and recommendations. <br /> L 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 /> L accordance with generally accepted engineering principles and practices. This warranty is in lieu of <br /> all other warranties either expressed or implied. Test findings and statements of professional <br /> L <br /> opinion do not constitute a guarantee or warranty,expressed or implied. <br /> L <br /> L <br /> L <br /> I <br /> it <br /> 12 <br /> L "044 <br /> L <br />