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CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, the soil conditions near the percolation tests appear to he suitable for use <br /> with on-site septic systems. Satisfactory soil percolation rates of 5.0 mi n (Parcel 1) <br /> and less than 4.0 min/in ,(Parcel 2) and were observed in the test locations. No new <br /> construction is-proposed. With a satisfactory test, the area 100 feet in radius from the <br /> test location could be used to construct a septic system drain field. <br /> The depth of ground water based on recent aquifer levels is approximately 22 to 40 feet, <br /> depending on the season and location on the Site. The ground-water flow direction is to <br /> the north at a rate of approximately seven to eight feet per mile in the vicinity of the Site. <br /> A water sample was collected om—the domestic water well on the Site. Nitrate was <br /> detected at a concentration of 17.3 mg/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 development with the use of standard septic systems <br /> utilizing leach lines, leach lines and sumps, or a filter bed. <br /> LOGE 1304 Page 9 <br />