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P = erosion control practice factor L 1.00 1.00 <br />SOIL LOSS CALCULATION <br />AREA R K LS C P A <br />Adjacent Area-CRDA Road #1 <br />30 0.24 7.14 0.192 1.0 9.88 <br />CRDA Road #1 <br />11 30 0.24 1.560 0.191 1.0 2.15 <br />The above calculation demonstrates that untreated drainage from the reclaimed areas will contribute fewer <br />suspended solids to streamflow or runoff outside the permit area than untreated drainage from the natural <br />surrounding premining area. Based on this demonstration vegetation is established as good of <br />better than the shadscale reference area and proves that vegetation is established enough <br />to control erosion. <br />SL -9 Tab -9, Page 13 Revised 10/18/2016 <br />