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n <br /> November 30, 2007 <br /> NOA Project Number: E07188A <br /> Table 5. <br /> Summary of Percolation Tests. <br /> Test No., Percolation Percolation Rate Test Comment <br /> Date Tested Test Depth (ft) (minutes/inch) Duration (see notes) <br /> Parcel 1,Shallow 3.32 5.0 4 hr. Satisfactory Percolation Rate <br /> 2-8-07 <br /> ! Note: A satisfactory percolation rate for a"shallov/'test is less than or equal to 60 minutes per inch.A satisfactory <br /> percolation rate for a"deep"test is less than or equal to 30 minutes per inch. <br /> iF1 <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 /> rate 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 /> Septic System Construction should follow the San Joaquin County On-Site IlastewaterDisposal <br /> Standards where applicable. <br /> J <br /> 7.0 CONCLUSIONS <br /> 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 appears suitable for a standard septic system. No ground " <br /> water was encountered in the borings drilled on the property to a minimum depth of approximately <br /> three and a half feet. The well water sample was analyzed for nitrate and DBCP. DBCP was not <br /> detected in the water, and Nitrate was found at 37.2 which is below the maximum contaminant level <br /> Fil" <br /> set by the EPA of 10 mg/L-N. <br /> F-i <br /> 7.1 Signatures <br /> The signatures of the environmental professionals involved in the preparation of this report can be <br /> F-11 found at the front of this package. <br /> Fj <br /> F <br /> H <br /> Fj 9 <br /> Fil <br />