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v � but considerably lower than the 45 mg/L M.C.L. Due to the size of the parcels, the soil type, and the depth to groundwater, the likelihood of groundwater contamination due to this development is minimal. VIII. CONCLUSION Based on the results of the percolation test, and the soil profile, it is Dillon & Murphy's opinion that the seven of the eight parcels tested are suitable for onsite sewage disposal systems. Parcel 1 will require an Engineered system (see Appendix) unless a suitable percolation rate can be achieved in the proposed leach area. Any system proposed for any of the eight subject parcels should be designed and installed based on the most current San Joaquin County criteria. Based on the depth to ground water in the area and the size of the proposed parcels, it is our opinion that the installation of any new proposed septic systems, if properly installed, should not adversely affect the quality of ground water in the area. IX. LIMITATIONS The conclusions of this report are based on the information provided regarding the proposed development, the use of the subject property, and the site conditions as they existed at the time we excavated our test holes and performed the percolation tests. It was assumed that the test hole and percolation tests results are representative of the subsurface conditions in the general area. Our services were performed, our findings obtained, and our conclusions proposed in accordance with generally accepted engineering principles and practices. This warranty is in lieu of all other warranties either expressed or implied. Test findings and statements of professional opinion do not constitute a guarantee or warranty, expressed or implied. h�Q� �tiMU,q,oy f. DILLON & MURPHY t No. 45277 D(P.9-30-06 sr CIVIL (JoyOF Cpl`FOR. 77 4 CA0396 Soil Suitability Study 070604