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and increase plant rooting depths. Increased water movement may, to some degree, allow more <br />downward leaching of carbonates. Therefore, although the greatest benefits of scarifying are <br />related to the physical soil properties (density, porosity), a lesser geochemical benefit (increased <br />rate of carbonate leaching due to increased water movement) may result. <br />4.0 RegiadedRedistributed Soil and Spoil Monitoring Program <br />In order to provide a feedback system to check the reliability of the overburden sampling and <br />analysis program, a regradeefredistributed soil and spoil sampling program Is _,n <br />place. The regradedredistributed soil and spoil will be sampled prior to topsoil replacement with <br />a hydraulic soil sampler, a bucket auger, or other suitable equipment. Personnel will inspect the <br />surface spoil between sample points. If a significant change in spo+characteristics is observed <br />between sample points, additional sample sites will be located. Regraded spoifRedistributed <br />material will also be visually inspected for compaction, possible root growth problems, and the <br />potential for slippage at the topsoil /subsoil /spoil interface. The lateral and vertical <br />sampling intensities are closely evaluated once sufficient samples isare collected to determine the <br />degree of sample variability. This sampling program will ensure that the redistributed soil and spoil <br />is - chemically and physically suitable for to <br />grovathhe intended crops. See Tables 2.05.4(2)(d) -1A acrd -1B -1 for all sample parameters, <br />increments, and frequency. <br />August 2013 (PR -08) 2.05.4(2)(d) -5 <br />