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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 5.0 <br /> min/in (Parcels 1, 2, and 4, deep zones), 27.8 min/in (Parcel 3, shallow), and 7.8 min/in <br /> (Parcel 3, deep) were observed in the test locations. No new construction is planned for <br /> the Site at this time. <br /> The depth of ground water based on recent aquifer levels is estimated to range between <br /> 133 to 139 feet below ground surface. The ground-water flow is to the west or west- <br /> southwest at a rate of approximately four to eight feet per mile. <br /> A water sample was collected from the domestic water well. Nitrate was detected in the <br /> sample at a concentration of 1.8 mg/L-N, well below the MCL of 10 mg/L-N. DBCP was <br /> not detected in the sample. <br /> We believe the Site suitable for the use of standard septic systems utilizing leach lines <br /> and seepage pits. <br /> LOGE 1602 Page 9 <br />