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Jeanne A. Mabusth <br />June 15, 1983 <br />page 2 <br />W <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 - maximtim 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 />I - Alternate site - slope 5% - mottling at 3.0* - water table <br />I at 3.2* - or Mound - maximum <br />I trench depth - at soil surface (see not< <br />I trenches) <br />(see note below re modified <br />Lot 3 Block 2 - Percolation Rate Average 10 MPI both sites <br />- Primary site - slope 8% - mottled at 4.5*, 5.0* - water