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A percolation test consists of digging one or more holes in the soil of the proposed leach field to a specified depth, presoaking the holes by maintaining a high water level in the holes, then running the test by filling the holes to a specific level and timing the drop of the water level as the water percolates into the surrounding soil.
Excellent treatment of most aquifer test analysis methods (but it is a hard-to-find book). Boonstra, J.; Kselik, R.A.L. (2002). SATEM 2002: Software for aquifer test evaluation. Wageningen, The Netherlands: International Institute for Land Reclamation and Improvement. ISBN 90-70754-54-1. On line : Sindalovskiy, L.N. (2011).
BS 5930:2015, "the code of practice for site investigations", is a UK code of practice which came into effect on 31 July 2015 British Standards Institution.. It supersedes BS5930:1999+A2:2010, which itself supersedes BS 5930:1981 which in turn supersedes CP2001: 1957 "Site investigations".
The maximum rate at that water can enter soil in a given condition is the infiltration capacity. If the arrival of the water at the soil surface is less than the infiltration capacity, it is sometimes analyzed using hydrology transport models, mathematical models that consider infiltration, runoff, and channel flow to predict river flow rates ...
In geotechnical engineering, a soil test can be used to determine the physical characteristics of a soil, such as its water content, void ratio or bulk density. Soil testing can also provide information related to the shear strength, rate of consolidation and permeability of the soil. The following is a non-exhaustive list of engineering soil ...
Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for different types of soil, and is also called the soil moisture characteristic. It is used to predict the soil water storage, water supply to the plants (field capacity) and soil aggregate stability.
The cone penetration or cone penetrometer test (CPT) is a method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the Dutch Laboratory for Soil Mechanics in Delft to investigate soft soils.
A case of environmental contamination is defined as 'serious' if >25 m 3 soil or >100 m 3 groundwater is contaminated above the intervention value. The values presented below are from Annex 1, Table 1, "Groundwater target values and soil and groundwater intervention values".