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Biosolids-N Calc's 2001 <br /> CITY OF MANTECA WQCF <br /> BIOSOLIDS NITROGEN LOADING CALC'S <br /> 2001 SPREADING <br /> Application Area 182.99 acres = 74.06 hectares <br /> Biosolids Volume 1835 yds3 <br /> Biosolids Weight 985 DRY lbs/yd3 <br /> Application Rate 9874 DRY lbs/acre = 1106 DRY Kg/ha <br /> BIOS IDS-N <br /> BIOSOLIDS NITROGEN' APPLI ATION RATE <br /> Percent K a lbs/acre <br /> TKN 8?9�1.17 87 78 <br /> Ammonia-N 0.37 41 37 <br /> Nitrate-N 0.0007 0.08 0.07 <br /> Organic-N 3.8 421 375 <br /> ORGANIC-N MINERALIZATION RATE <br /> Starting Mineralization Mineralized Org.-N <br /> Org.-N Rate Org.-N Remaining <br /> Kg/ha Percent Kg/ha Kg/ha <br /> First Year 421 0.2 84 336 <br /> Second Year 336 0.1 34 303 <br /> Third Year 303 0.05 15 288 <br /> AVAILABLE-N FROM BIOSOLIDS BY YEAR <br /> TOTAL <br /> Ammonia-N Nitrate-N Org.-N AVAILABLE-N <br /> Kg/ha Kg/ha Kg/ha Kg/ha lbs/ac' <br /> 2002 41 0.08 84 125 112 <br /> 2003 0 0 34 34 30 <br /> 2004 0 0 15 15 14 <br /> 'Biosolids-N data from Geo Analytical Lab Report, Dry Weight basis <br /> 2Organic-N mineralization rates are taken from EPA Land AR2cation of Sewa ludgesee following page <br /> 3Assume-N from biosolids is available to crops in the first year following application <br /> 4NOTE: Nitrogen mineralized from prior year applications is added to this value. Therefore,values in the report <br /> are higher than shown here. <br />