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CONCLUSIONS AND RECOMMENDATIONS <br /> In summary, the soil conditions near the percolation test appear to be suitable. A <br /> satisfactory soil percolation rate of 4.4 minutes per inch was observed. No new <br /> construction is proposed. The percolation tests represent an area of approximately 100 <br /> feet in radius. <br /> The depth of ground water based on recent aquifer levels is approximately 48 to 62 feet <br /> below the ground surface. The ground-water flow direction is to the northwest at a rate <br /> of approximately 12 feet per mile. <br /> The on-site domestic water well was tested for nitrate and DBCP. Nitrate was detected <br /> in the sample at a concentration of 23.7 mg/L- NO3, well below the MCL of 45 mg/L. <br /> DBCP was detected in the sample ata concentration of 0.39 µ9/1_ (ppb)-abo the MCL — <br /> of 0.2 ppb. The owners should consider methods of,reducing DBCP level in the <br /> drinking water. Under-counter or faucet-mounted filtrati6 devices cube-effective; the / <br /> packaging should be checked to ensure the product was designPe thiscontaminant. For health reasons, we recommend that the wellwumed <br /> until DBCP levels can be reduced to below the MCL. Utilizingboltnking <br /> may also be a good alternative to consider. _ <br /> We believe the Site suitable for development with the u§e_ ostandard septic systems <br /> utilizing shallow leach lines and sumps up to 10 feet deep. <br /> LOGE 1103 Page 8 <br />