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CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, the soil conditions in the percolation test locations appear to be suitable for <br /> use with on-site septic systems. Satisfactory soil percolation rates of less than 2.6 <br /> min/in (Parcel 1) and less than 1.8 min/in (Parcel 2) were observed in the test locations. , <br /> No new construction is proposed at this time. With a satisfactory test, the area 200 feet <br /> in radius from each test location could be used to construct a septic system drain field. <br /> Per San Joaquin County regulations, seepage pits should be placed at least 150 feet <br /> from any well, including the out-of-use windmill well. <br /> The depth of ground water based on recent aquifer levels is approximately 95 to 112 <br /> feet below ground surface, depending on the season. The ground-water flow direction <br /> is to the northwest in the area at a rate of approximately 8 to 10 feet per mile. <br /> A water sample was collected fr e domestic water well on the Site. Nitrate was <br /> detected at a concentration of 16g/L-NO3 in the water sample, well below the US <br /> EPA's Maximum Contaminant--Level (MCL) of 45 mg/L. DBCP was not detected in the <br /> sample. <br /> We believe the Site suitable for the use of standard septic systems utilizing leach lines <br /> and seepage pits. <br /> LOGE 1415 Page 9 <br />