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= Cumulative Loading Limit / Current Loading Rate <br />Site Lifetime, <br />Based on Current <br />Application Rate <br />Constituent <br />Table 4, Postapplication Report (continued) <br />Loading Limit <br />Criteria <br />Annual Cumulative <br />Approx. <br />Site Life <br />at Current <br />Rates <br />Sludge Loading Calculations <br />(years) <br />D) Sludge/Sand Mix <br />Loading Limits for an Example Feld <br />Per -acre Loading x Field Size <br />Ufalfa N Demand <br />= 375 lbs/acre <br />1112 moist tons/field <br />'ruck and Trailer <br />= 51773 lbs/load = 25.8865 tons/load (wet basis) <br />Truckloads/ac x field size (ac) <br />0.10 <br />= 40 cubic yards/load <br />43 truckloads/field <br />'ield Size <br />= 80 acres <br />na 446 <br />'er-acre Loading <br />Lead = <br />1.29 <br />Rate for Sludge - <br />Content in sludge(mg/kg) x (100 -%sand) / 100 x 907(kg/ton) / 454000(mg/Ib) <br />Nickel = <br />Sand Mix <br />= N Demand of Crop / Available N Concentration in Sludge/Sand Mix <br />137 <br />Metals Loadings <br />= 13.9 moist tons/acre <br />na 893 <br />in truckloads <br />= Loading in (moist tons/acre) / (tons of sludge -sand mix/truckload) <br />= 0.5 truckloads/acre <br />= Cumulative Loading Limit / Current Loading Rate <br />Site Lifetime, <br />Based on Current <br />Application Rate <br />Constituent <br />Per -field Loading <br />Loading Limit <br />Criteria <br />Annual Cumulative <br />Approx. <br />Site Life <br />at Current <br />Rates <br />Rate for Sludge - <br />(years) <br />Phosphorus = <br />Sand Mix = <br />Per -acre Loading x Field Size <br />na <br />Potassium = <br />1112 moist tons/field <br />na na <br />... in truckloads = <br />Truckloads/ac x field size (ac) <br />0.10 <br />0.45 17.8 <br />43 truckloads/field <br />Copper = <br />................................................................................................ ............................................................................................... <br />(E) Other Nutrient and Metals Loading Rates, Loading Limits, and Site Lifetime, <br />na 446 <br />for an Example Feld <br />Lead = <br />1.29 <br />Cher Nutrient = <br />Content in sludge(mg/kg) x (100 -%sand) / 100 x 907(kg/ton) / 454000(mg/Ib) <br />Nickel = <br />and Heavy <br />x Sludge loading rate(tons/acre) x (% Solids) / 100 <br />137 <br />Metals Loadings <br />30 <br />na 893 <br />(lbs/acre) <br />= Cumulative Loading Limit / Current Loading Rate <br />Site Lifetime, <br />Based on Current <br />Application Rate <br />Constituent <br />Current Annual <br />Loading Rate <br />Loading Limit <br />Criteria <br />Annual Cumulative <br />Approx. <br />Site Life <br />at Current <br />Rates <br />(lbs/acre) (lbs/acre) (lbs/acre) <br />(years) <br />Phosphorus = <br />443 <br />na na <br />na <br />Potassium = <br />85 <br />na na <br />na <br />Cadmium = <br />0.10 <br />0.45 17.8 <br />175 <br />Copper = <br />8 <br />na 446 <br />56 <br />Lead = <br />1.29 <br />na 714 <br />551 <br />Nickel = <br />1.30 <br />na 179 <br />137 <br />Zinc = <br />30 <br />na 893 <br />30 <br />= not <br />Telephone 209/836-1650 3900 Holly Drive Tracy, California 95376 <br />