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PSETIALS 9/13/94 <br />Table 4 <br />Preapplication Report: 94-95 <br />Sludge Loading Calculations <br />(A) Lab Results and Feld Estimates (for sludge without sand, except where noted) <br />Total Kjeldahl N = <br />36,826 mg/kg (dry basis) <br />Ammonia N = <br />4,590 mg/kg (dry basis) <br />Nitrate N = <br />44 mg/kg (dry basis) <br />Total Phosphorus = <br />26,082 mg/kg (dry basis) <br />Potassium = <br />3,886 mg/kg (dry basis) <br />Cadmium = <br />3.2 mg/kg (dry basis) <br />Copper = <br />538 mg/kg (dry basis) <br />Lead = <br />52 mg/kg (dry basis) <br />Nickel = <br />40 mg/kg (dry basis) <br />Zinc = <br />800 mg/kg (dry basis) <br />% Solids = <br />93.0 % <br />Bulk Density = <br />0.71 g/cc (wet basis) <br />= <br />1,200 lbs/cubic yard (wet basis) <br />Sand Was Mixed into Applied Sludge; Characteristics of the Mixture: <br />% Sand = <br />10.0 % of the wet weight <br />Total Volume = <br />3,400 cubic yards <br />Bulk Density Mix = <br />0.79 g/cc (wet basis) <br />= <br />1,333 lbs/cubic yard (wet basis) <br />(B) Nitrogen Concentration Calculations <br />Organic N = <br />(Total Kjeldahl N - Ammonia N) x (% Solids) / 100 <br />Concentration = <br />29,979 mg/kg (wet basis) <br />in Sludge <br />Available N = <br />Ammonia N x % Solids / 100 + Nitrate N x % Solids / 100 + 0.5 * Organic N <br />Concentration = <br />19,300 mg/kg (wet basis) <br />in Sludge <br />Available N = <br />Available N x (100 - %sand) / 100 <br />Concentration = <br />17,370 mg/kg (wet basis) <br />in Sludge -Sand = <br />34.7 lbs of available N/ton (wet basis) <br />Mix <br />(C) Total Weight of Sludge/Sand Mix and Nitrogen in Stockpile <br />Total Weight = <br />Total Yardage x Bulk Density Mix / (2000 lbs/ton) <br />= <br />2267 moist tons of mix <br />Total Available N = <br />Total Weight x Available N Concentration in Mix <br />= <br />78671 lbs of available N <br />PSETIALS 9/13/94 <br />