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61 <br /> February 22, 2006 <br /> NOA Project Number: E06010A <br /> i a A0 CONCLUSIONS <br /> In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> area. The soils appear suitable for a standard septic system. Please see the conclusions of the <br /> Nitrate Loading Study Part II of this report for engineering recommendations. <br /> No ground water was encountered by the staff of Neil O.Anderson&Associates, Inc. during the <br /> drilling of the deep percolation test hole to a depth of approximately 25 feet on February 10, 2006. <br /> Ground water lies between 160 and 180 feet below ground surface. For fall 1998, ground water <br /> �] appears to flow to the west-southwest at a gradient of approximately 5 feet per mile in the vicinity of <br /> [ ' the Site; the gradient is unclear for spring 1999. Both on-site water wells were tested for nitrate and <br /> DBCP. DBCP was non-detectable in the ground water samples. Nitrate was found at 2.5 mg/L- <br /> NO3 in the domestic well and 3.3 mg/L-NO3 in the irrigation well,well below the maximum <br /> t contaminant level for drinking water of 45 mg/L-NO3. <br /> /7.1 Signatures <br /> E <br /> The signatures of the environmental professionals involved in the preparation of this report can be <br /> found at the front of this package. <br /> FJ yF10 LIMITATIONS <br /> The conclusions of this report are based on the information provided regarding the existing and <br /> F[ proposed development, the use of the subject property, and the site conditions as they existed at the <br /> time we excavated our test holes and performed the percolation tests. It was assumed that the test <br /> holes and percolation test results are representative of the subsurface conditions in the general area. <br /> F`' Our professional services were performed, our findings obtained, and our conclusions proposed in <br /> ,, accordance with generally accepted engineering principles and practices. This warranty is in lieu of <br /> all other warranties either expressed or implied. Test findings and statements of professional <br /> F1opinion do not constitute a guarantee or warranty, expressed or implied. <br /> F1 <br /> a <br /> h <br /> 11 <br /> F� <br />