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Which testing procedure may be used to confirm the suitability of soil?
Simplified Falling Head Permeability Test
Soil Compaction Test
Grain Size Analysis Test
Permeability Grading Test
The correct answer is: Simplified Falling Head Permeability Test
The Simplified Falling Head Permeability Test is an appropriate procedure for confirming the suitability of soil, especially in the context of a mound soil absorption system. This test measures the permeability of the soil, which directly impacts how well it can absorb and filter wastewater. Soil permeability is a crucial factor in determining how effectively a soil layer can handle the drainage from a septic system. The falling head method can simulate real-world conditions and provide reliable data regarding the rate at which water moves through the soil. This information is essential for evaluating whether the soil can adequately treat effluent and prevent contamination of groundwater. The other testing procedures, while useful in different aspects of soil evaluation, do not specifically assess soil absorption capabilities in relation to wastewater management. The Soil Compaction Test is focused on the density and strength of soil, Grain Size Analysis Test provides information on the soil texture, and the Permeability Grading Test primarily categorizes soils based on their permeability rates rather than directly measuring their suitability for absorption applications. Hence, the Simplified Falling Head Permeability Test stands out as the best method for evaluating soil suitability in the context of a mound system.