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Compost Mass Balance <br /> Forward RCSI <br /> 'ssum tions <br /> fype of biosolids Digested <br /> Design condition Dry weather,average conditions <br /> No recycled compost and no amendment <br /> Biosolids/Food Processing Residue/Septic Tank Pumping/Holding Tank Pum in /Grit/Grease <br /> Total solids concentration % 15 <br /> Volatile solids °k 70 <br /> Percent VS degradation during composting % 25 <br /> Green waste/Wood Waste/MSW <br /> Moisture content % 30 <br /> Volatile solids % 90 <br /> Percent VS degradation during composting % 33 <br /> Amendment <br /> Moisture content % 40 <br /> Volatile solids % 90 <br /> Percent VS degradation during composting % 33 <br /> Recycle compost <br /> Moisture content % 50 <br /> Percent VS degradation during composting % 10 <br /> Overs from screening <br /> Percent overs from screening 25 <br /> weent com ostable overs 80 <br /> ;ccent VS degradation during composting °/® 20 <br /> Dail Quantities Assumes 260 da r year o ration <br /> Location Description Wet Percent D Dens' Volume Percent Volatile <br /> Tons Solids Tons Ibs/CY CY 1 Volatile Solids <br /> Solids tons <br /> 1 Biosolids/Food/Se tic/Ect. 333 15 50 9;650 404 70 35 <br /> 2 Green waste/Wood/MSW -450 70 _ 315 500 1,800 90 284 <br /> 3 Ammendmen4 D 40 0 500 0 90 0 <br /> 4 Water 167 0 0 AAM 40,000 0 0 <br /> 5 Recycled compost 1) 50 0 7501 OF 83 0 <br /> 6 Co stable overs 58 60 35 450 258 80 28 <br /> 7 Initial compost mixture 1,0081 401 400 900 2,240 87 346 <br /> 8 Evaporation/decomposition -522 -108 -108 <br /> 9 Mixture from composting 487. 60 292 750 1,297 83 238 <br /> 10 Recycled compost 0 60 0 7501 0 83 0 <br /> 11 Compost to screenin487 60 292 750 1,297 831 238 <br /> 12 Com ostable overs 58 60 35 450 259 10 28 <br /> 13 Trash 39 80 31 1,200 65 30 9 <br /> 14 Final com os4 product 389 60 226 750 1,038 89 201 <br /> 1 Water expressed in gallons per day. <br /> Indicates assum tion that must be manually in ut <br /> W(weight of water/weight volatiles destroyed during com ostin = 5.64 <br /> Generally W less than orequal to 10 indicates initial mixture has sufficient degradable material to achieve <br /> tem eratures for eathogen reduction. <br /> FN:dtr/a:\COMMASD.XLS Page 1 of 1 Printed:9/14/94 5:59 PM <br />