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r 1#-■' - a <br />Jeanne A. Mabusth <br />June 15, 1983 <br />page 2 <br />Trench Depth 6" into natural soil <br />Lot 4 Block 1 - Percolation Rate Average 19 MPI both <br />sites <br />- Primary site - slope 12% - mottling at 5.0', 5.8' - <br />water table at 7.7', 7.2' - standard trenches - maximum <br />trench depth 24" into original soil <br />- Alternate site - slope 14% - mottling at 5.0' - water <br />table not encountered - standard trenches - maximum trench <br />depth 24" into original soil <br />Lot 5 Block 1 - Percolation Rate Average 8 MPI (primary <br />site) 28 MPI (alternate site) <br />- Primary site - slope 7% - sandy soils, mottling not en­ <br />countered, water table at 5.3', 6.0' - standard trenches <br />- maximum trench depth 28" into original soil <br />- Alternate site - slope 7% - mottling at 5.0' - water <br />table at 5.2' - standard trenches - maximum trench depth <br />24" into original soil <br />Lot 6 Block 1 - Percolation rate average 13 MPI (primary <br />site) 19 MPI (alternate site) <br />- Primary site - slope 9% - mottling not encountered - water <br />table at 7.5', 7.8' - standard trenches <br />- Alternate site - slope 10-12% - mottling at 4.3', water <br />table at 6.8' - shallow trenches - maximum trench depth 16" <br />into original soil <br />Lot 1 Block 2 - Percolation Rate Average 26.3 MPI both sites <br />- Primary site - slope 8% - mottling at 5.5', 5.9', water <br />table at 5.6', 5.9' - standard trenches - maximum trench <br />depth 30" into original soil <br />Alternate site - slope 7% - mottling at 3.5', water table <br />at 4.3' - modified shallow trenches* - maximum trench <br />depth 6" into original soil <br />Lot 2 Block 2 - Percolation rate Average 31 MPI both sites <br />- Primary site - slope 5% - mottling at 3.5' - water table <br />at 3.6', 3.7' - modified shallow trenches* <br />- Alternate site - slope 5% - mottling at 3.0' - water table <br />at 3.2' - modified shallow trenches* or Mound - maximum <br />trench depth - at soil surface (see note below re modified <br />trenches) <br />Lot 3 Block 2 - Percolation Rate Average 10 MPI both sites <br />- Primary site - slope 8% - mottled at 4.5', 5.0' - water