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1. <br /> October 5,2005 <br /> NOA Project Number: E05129A <br /> L <br /> Table 8. <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 <br /> 9-19-05 3.54 3.16 4-hr Satisfactory percolation rate <br /> Note: A satisfactory percolation rate for a"shallov/'test is less than or equal to 60 minutes per inch. <br /> L6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal areas of the proposed have demonstrated a satisfactory <br /> percolation rate in accordance with the requirements of the EHD. The soils of this Site appear to <br /> 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-Sate Wastewater Disposal <br /> LStandards where applicable. <br /> 7.0 CONCLUSIONS <br /> 4 <br /> In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> Lareas of the subject property. The proposed septic area appears suitable for a standard septic <br /> system. <br /> LNo ground water was encountered in any of the borings drilled on the property.The subject <br /> property was tested for nitrate and DBCP. DBCP was not detected in the water sample,however <br /> Nitrate was detected at a concentration of 43.1 mg/L-NO3. The Nitrate concentration in the well <br /> L water is slightly below the maximum contaminate limit from drinking water of 45 mg/L-NO3. We <br /> recommend periodically testing the well to determine if water quality is within drinking water <br /> standards.You should contact the EHD for more details regarding health issues and <br /> repair/replacement options if necessary. <br /> L <br /> 11 <br /> L <br /> L <br />