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Because septic effluent is composed predominately of ammonium (NH4),the pH, along with the CEC, have significant influence on ammonium molecules. The pH of the soil is alkaline at 8.1 which will have a large effect on ammonium formation and stability. An alkaline environment will promote ammonia to remain in the ammonia form,thus retarding nitrification. The CEC measures the ability of the soil to theoretically trap and hold ammonium molecules. Cation Exchange Capacities of the soil sample is comparatively low due to the sand content. Therefore,there is a smaller potential for the retention of ammonium molecules for microbial uptake and denitrification potential.l. NLS§3.3, SSS§ 5.3'� Table 1 below summarizes the chemical and physical surface and subsurface soil characteristics encountered from the soil sample. TABLE SOIL PROFILE CHARACTERISTICS AND ANALYTICAL TEST RESULTS SAMPLE LOCATION SAND,SILT.AND SOIL SOIL NITROGEN pH AND AND SAMPLE DEPTH CLAY CLASSIFICATION CONTENT CATION EXCHANGE PERCENTAGES CAPACTrV DISPOSAL FIELD AREA 64%24% 12% Sandy loam I ppmNO,-N 8.1 7.4 meq/tong 3 FT IN DEPTH C. PERCOLATION TEST RESULTS SSS§ 6.2 To assess the permeability capability of the proposed filter bed disposal system area, a percolation test was completed in the location depicted in the Site Plan. As referenced, the test depth was 36 inches below existing grade. SSS§ 6.3. On May 11, 2017, the perc test boring was drilled. The sidewall of the boring was scored with a pry-bar to open potentially smeared sidewalls. Two inches of pea gravel was placed at the bottom and three-inch perforated PVC pipe was inserted. The boring was then pre-saturated with 12 inches of water approximately 24 hrs before the start of testing. SSS§ 6;6.5. On May 12, 2017, percolation testing commenced. No standing water was observed after the 24-hr soak period. Consequently, EHD Perc Test Procedure#2 was conducted in which testing was done over a four-hour period to induce maximum soil saturation. The test results indicate a rapid perc rate at 8.6 minutes per inch (min/in). A summary of the perc test results with corresponding application rates in gallons of effluent accepted per square foot of soil per day are found in Table 2: 3