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E J <br /> April 15, 2005 <br /> NOA Project Number: E040154A <br /> Table 1 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 /> P-1 shallow,3/22/05 3.00 --- 4-hr No water drop observed,fail <br /> P-1 deep,3/22/05 23.00 -- 4-hr- No water drop observed,fail <br /> j` P-1 deco 4/12/05 8.50 1.38 1-hr. Satisfacto ercolation rate <br /> } Note: A satisfactory percolation rate for a"shallow"test is less than or equal to 60 minutes per inch. <br /> A satisfactory percolation rate for a"deep"test is less than or equal to 30 minutes per inch. <br /> t+ 6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal area of the proposed Parcel has demonstrated a satisfactory <br /> percolation rate in accordance with the requirements of the EHD. The soils of these parcels appear (�= , <br /> to be suitable for a standard septic system. <br /> 6.8 Discussion of Septic System Sizing <br /> Septic system construction should follow the San Joaquin County On-Site Wastewater Disposal <br /> Standards where applicable. <br /> P-1 7.0 CONCLUSIONS <br /> In summary, a satisfactory percolation rate of the soil was achieved in the proposed septic disposal <br /> -; area of tlie parcel. The proposed Parcel appears suitable for a standard septic system. <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 approximately 90-110 feet below the ground surface for the period of <br /> Fall 1998 and Spring 1999.-No on-site water well was available for Nitrate and DBCP analysis. <br /> Fi <br /> M � <br /> k <br /> 1.} <br /> F1 9 <br /> k v <br />