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Baseline Technical Report <br /> Soils and Biological Resources, <br /> Amedment No. 11 Project Area <br /> ARCADIS <br /> Table 2-4 Soil Material Suitability Criteria for Salvage And Redistribution as Growth Medium <br /> Soil Quality <br /> Soil Property Good Fair Poor Unsuitable <br /> Texture Sandy loam Sandy clay loam Sandy clay Clay >60% <br /> Loam Silty clay loam Loamy sand <br /> Silt loam Clay loam Silty clay <br /> Coarse Fragment(gravel and 0-25 25-50 >50 >50 <br /> larger)(% by volume) <br /> Organic Matter(%) >1.5 0.5-1.5 <0.5 -- <br /> Soil pH 6.1-7.8 5.1-6.1 4.5-5.0 <4.5 <br /> 7.9-8.4 8.5-9.0 >9.1 <br /> Salinity (mmho/cm) <3 3-6 6-9 >9 <br /> Available Water Retention >0.16 0.2-0.6 <0.2 or -- <br /> Capacity (in/in) >6.0 <br /> Saturated Hydraulic Conductivity 10-100 1-10 <1 or -- <br /> (pm/second) >100 <br /> Notes: <br /> Source: Modified from NRCS 1999 <br /> Abbreviations: mmho/cm =millimho per centimeter; in/in=inch per inch; pm/second=micrometers per second <br /> Permeability classes have been replaced by Saturated Hydraulic Conductivity in current NRCS <br /> soil surveys. Correlative rating classes provided in NRCS Soil Survey Technical Note 6. <br /> Soils considered to be unsuitable for reclamation if cobble content is greater than 50%. <br />