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CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, the soil conditions near the percolation tests appear to be suitable for use <br /> with on-site septic systems Satisfactory soil percolation rates of 11.9 min/in (Parcel <br /> 1), 10.4 min/in (Parcel 2), 3.6 min/in (Parcel 3), and 4.2 min/in (Parcel 4) were observed <br /> in the test locations. No new construction is proposed at this time. With a satisfactory <br /> test, the area 100 feet in radius from the test location could be used to construct a <br /> septic system drain field. <br /> The depth of ground water based on recent aquifer levels is 45 to 252 feet, depending <br /> on the location on the Site. The ground-water flow direction is to the west at a rate of <br /> approximately 65 to 70 per mile in the vicinity of the Site. <br /> A water sample was collected from the domestic water well on the Site. Nitrate was <br /> detected in the water sample at a concentration of 19.2 mg/L, well below the MCL of 45 <br /> mg/L. DBCP was not detected in the water sample. <br /> Based on the results of this study, we believe the Site satisfied the requirements of the <br /> Environmental Health Department for the use of standard septic systems utilizing leach <br /> lines and seepage pits. <br /> LOGE 1323 Paae 10 <br />