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TABLE 2 SOIL SAMPLING DATA UNDER ON-SITE LEACHFIELD Soil Sample Depth From Nitrate-Nitrogen Soil Soil Description ] Leachfield Concentration pH/CEC Texture 18 Inches under 54%Sand Drain Rock 97 ppm 4.6/28.4 24%Silt Sandy Clay Loam Sample D):UELF 22%Clay C. PERCOLATION TEST BORINGS AND TEST RESULTS On September 2 and September 14, shallow and deep percolation test borings were drilled using a truck- mounted Mobile Drill Rig and 4.5 inch O.D. solid stem auger. Percolation test boring locations were determined for each of the subject Lots under the following criteria: Lot 1 perc test location was dependent upon: 1.)A 150 ft distance from a domestic well 25 ft north of the north property border,2.)The unknown location of the gas line serving the on-site residential structure (drilling could not be done west, or to the south of this house), and 3.)Keeping a 150 ft distance from the on- site well. This places the future septic system for this Lot in the"front'of the new house to maintain a 150 ft distance from the proposed public well to be drilled on Lot B. Lot 2 perc test location was dependant upon a 150 ft distance from the existing on-site well, and 150 ft from the proposed well on Lot B,which places the future septic system in the front of the house for this Lot. Lot 3 perc test location was near the back, or north end of this Lot.Therefore, the future septic system can be installed in the back,or rear of the house. Lot 4 perc test location was entirely dependant upon locating a permeable stratum. Exploratory borings were drilled in the south,middle and north areas of the Lot. It was ultimately determined that the south end of the Lot possessed marginally acceptable permeability at the shallow depths. Therefore,the septic system must be placed in the front of the future house for this Lot. Lot 5 perc test location was also dependent upon permeable soil encountered at typical sump depth at the south end of the Lot,which also places the future septic system in the front of the house. Lot 6 perc test location was drilled near the north border of this Lot since the septic system for the adjoining Mobile Home Park is next to this Lot. This will place the septic system in the back of the future house. Lot 7 perc test location was exclusively dependent upon locating a deeper permeable stratum,which was found near the back of the Lot, which places the future septic system behind the house. Lot 8 perc test location was also exclusively dependant upon locating a deeper permeable stratum,which was found near the north end,which places the septic system at the front of the future house. Lot 9 perc test location was exclusively dependant upon locating a deeper permeable stratum,which was found near the north end,which places the septic system at the front of the future house. Lot 10 perc test location was exclusively dependant upon locating a deeper permeable stratum,which was found near the center of this Lot,which places the septic system either in the front or back of the future house. Lot 11 perc test location was exclusively dependant upon finding a deeper permeable stratum, which was found near the one-third rear of this Lot, and in maintaining sufficient distance from Lot A, which is to be the stormwater retention basin. It is my understanding the basin is to be six feet deep,which places the future septic system at least 25 feet from this basin,in either the front or back of the future house. SSS§6.3,6.4, 6.5 After drilling the shallow perc test borings, the sidewalls were scored with a pry-bar and the loose material removed with a hand auger. The deeper test borings could not be scored due to the corresponding depths involved. Two inches of fine gravel was placed at the bottom and three-inch perforated PVC pipe was inserted in each boring. Page-5- Chesney Consulting