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Area Approx. <br />No. Area <br />lacresl <br />1 15.6 <br />2 90.7 <br />3 39.3 <br />4 92.4 <br />5 39.9 <br />6 39.6 <br />7 36.8 <br />8 38.1 <br />9 38 <br />10 43.8 <br />11 32.3 <br />12 15.5 <br />13 14.3 <br />14 16.3 <br />15 10.1 <br />16 25 <br />17 22.7 <br />18 7.3 <br />19 24.2 <br />20 16.1 <br />21 6.4 <br />22 9.8 <br />Average <br />Total 674.2 <br />Notes: <br />136605 <br />Avg. Sl9pe Average R2 K• <br />Length gradient <br />(fl) 1 /%) <br />400 6 25 0.45 <br />1100 6 25 0.45 <br />1200 6 25 0.45 <br />1450 6 25 0.45 <br />BOO 6 25 0.45 <br />800 6 25 0.45 <br />900 6 25 0.45 <br />900 6 25 0.45 <br />1100 6 25 0.45 <br />1900 6 25 0.45 <br />1400 6 25 0.45 <br />700 6 25 0.45 <br />300 30 25 0.45 <br />390 30 25 0.45 <br />350 30 25 0.45 <br />450 30 25 0.45 <br />350 30 25 0.45 <br />250 30 25 0.45 <br />400 30 25 0.45 <br />350 30 25 0.45 <br />400 30 25 0.45 <br />300 30 25 0.45 <br />Horizontal projection of length measured from Figure 1. <br />From Fig 2-3 of USDA, 1997. <br />From Fig 3-1 of USDA, 1997. <br />For low rill/intertll erosion class from Table 4-5 of USDA, 1997. <br />Calculated using Equation 4-1 of USDA, 1997. <br />Calculated from either Equations 4-4 or 4-5 from USDA, 1997. <br />m• L, <br />0.28 1.612555 <br />0.28 2.140561 <br />0.28 2.193353 <br />0.28 2.312708 <br />0.28 1.957956 <br />0.28 1.957956 <br />0.28 2.023605 <br />0.28 2.023605 <br />0.28 2.140561 <br />0.28 2.49453 <br />0.28 2.290096 <br />0.28 1.886102 <br />0.49 2.004151 <br />0.49 2.279096 <br />0.49 2.161396 <br />0.49 2.444642 <br />0.49 . 2.161396 <br />0.49 1.83287 <br />0.49 2.307546 <br />0.49 2.161396 <br />0.49 2.307546 <br />0.49 2.004151 <br />TABLE 1 <br />SOIL LOSS ESTIMATES <br />FOOTHILL SANITARY LANDFILL <br />8 s• LS C <br />Slope <br />Anole /deal <br />3.434 0.68 1.09 0.05 <br />3.434 0.68 1.45 0,05 <br />3.434 0.68 1.48 0.05 <br />3.434 0.68 1.57 0.05 <br />3.434 . 0.68 1.33 0.05 <br />3.434 0,68 1.33 0.05 <br />3.434 0.68 1.37 0.05 <br />3.434 0.68 1.37 0,05 <br />3.434 0.68 1.45 0.05 <br />3.434 0,68 1.69 0.05 <br />3.434 0.68 1.55 0.05 <br />3.434 0.68 1.28 0.05 <br />16.7 4.33 8.67 0.05 <br />16.7 4.33 9.86 0,05 <br />16.7 4.33 9.35 0.05 <br />16.7 4.33 10.58 0.05 <br />16.7 4.33 9.35 0.05 <br />16.7 4.33 7.93 0.05 <br />16.7 4.33 9.99 0.05 <br />16.7 4.33 9.35 0.05 <br />16.7 4.33 9.99 0.05 <br />16.7 4.33 8.67 0.05 <br />p Soil Loss <br />· ltons/acre/vearl <br />0,9 0.55 <br />o:9 0.73 <br />0,9 0.75 <br />0,9 0.79 <br />0,9 0 .. 67 <br />0,9 0.67 <br />0.9 0.69 <br />0.9 0,69 <br />0.9 0.73 <br />0.9 0.85 <br />0,9 0.78 <br />0.9 0.65 <br />0.9 4.39 <br />0 .. 9 4.99 <br />0:0 4:74 <br />0.9 5.36 <br />0.9 4.74 <br />0.9 4.02 <br />0.9 5.06 <br />0.9 4.74 <br />0.9 5.06 <br />0.9 4.39 <br />Weighted average <br />1.66 <br />Soll Loss Soil Loss Soil Loss <br />!tons/so. ft/vear\ ltons/vearl ICY/vearl /inches/vearl <br />0.00001 8,62 5.32 0.0025 <br />0.00002 66.53 41.07 0,0034 <br />0.00002 29.54 18.23 0.0035 <br />0.00002 73.23 45.20 0,0036 <br />0.00002 26.77 16.53 0.0031 <br />0.00002 26.57 16.40 0.0031 <br />0.00002 25.52 15.75 0.0032 <br />0.00002 26.42 16.31 0.0032 <br />0.00002 27.87 17.21 0,0034 <br />0.00002 37.44 23.11 0.0039 <br />0.00002 25.35 15.65 0.0036 <br />0.00001 10.02 6.18 0.0030 <br />0.00010 62.79 38.76 0.0202 <br />0,00011 81.39 50.24 0.0229 <br />0.00011 47.83 29.52 0.0217 <br />0,00012 133.90 82.65 0.0246 <br />0.00011 107.49 66.35 0.0217 <br />0.00009 29.31 18.09 0.0184 <br />0.00012 122.34 75.52 0.0232 <br />0.00011 76.24 47.06 0.0217 <br />0.00012 32.36 19.97 0.0232 <br />0.00010 43.03 26,56 0.0202 <br />Weighted average <br />1120.56 691.71 0.0076 <br />30 vear cover loss 1inch ): 0.2289 <br />Shaw Environmental, Inc.