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30 <br /> r 90% Solids Soil <br /> 60% Solids Soil <br /> 50% Solids Soil <br /> cr 20 40% Solids Soil <br /> x � I I <br /> ono II I <br /> w w _j I I <br /> x 0 0 I I <br /> o cn I <br /> oD <br /> o 10 �--r— I MINIMUM RATIO <br /> � I I FOR 20% MIXTURE <br /> J I I 3.7 : 1 for 401/6 Soi I <br /> 0 j I ( 3.0 : 1 for 50% Soil <br /> 2.6 : 1 for 60% Soi I <br /> 2.4 :1 for 90% Soi I <br /> 0 <br /> 0 I 2 3 4 5 6 <br /> DRY WEIGHT SOIL: DRY WEIGHT SLUDGE <br /> FIGURE 4 A - MINIMUM DRY WEIGHT MIXING RATIOS <br /> 30 60 /o 0 Solids Soil <br /> 50 % Solids <br /> Soil <br /> 90% Solids <br /> Soi I <br /> w <br /> 20 - - — - -- — — -- — 40% Solids Soil <br /> x I I I <br /> wW �, <br /> I I <br /> 0 I <br /> - 0 J I <br /> 0 <br /> 0 J 10 ( i MINIMUM RATIO <br /> o <br /> cn I I FOR 20% MIXTURE <br /> 6,2 y43 for 40% Soil <br /> J I I I 4.Oyd3 for 50% Soil <br /> w I I I I 3.0 yd3 for 60% Soil <br /> 0 1 . 8 yd3 for 90% Soil <br /> 0 1 2 3 4 5 6 7 8 9 10 II <br /> YD3OF WET SOIL PER DRY TON OF SLUDGE <br /> FIGURE 4B - MINIMUM VOLUMETRIC MIXING RATIOS <br /> FIGURE 4 <br /> REQUIRED SOIL/ SLUDGE <br /> 'MIXING RATIOS FOR <br /> ACHIEVING <br /> 20% SOLIDS MIXTURE <br />