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<br />. c <br /> <br />- 28 - <br /> <br />TABLE 4 <br />PROCESSED SLUDGE AND ASH CHARACTERISTICS (mg/kg) <br />(Based on 1978 data) <br /> <br />Total !.~ineration <br /> <br />Metro ASh <br />( est ima ted) <br /> <br />Cd <br />Cr <br />Cu <br />Hg <br />Ni <br />Pb <br />Zn <br />PCB <br />N <br />P <br />K <br /> <br />. <br /> <br /> Hea t-dried <br /> Secondary_ <br />Metro Sludge Cd 310/100 <br />(est ima ted) Cr 2000/1300 <br /> Cu 1500/1400 <br /> Hg .08/ .08 <br /> Ni 300/260 <br /> Pb 600/300 <br /> Zn 2300/1700 <br /> PCB 7 <br /> N 67, 100 <br />. P 29,800 <br />K 610 <br /> Ash <br /> (part ially <br /> estimated) <br />S en ec a Cd . 1 <br /> Cr 81/65 <br /> Cu .83 <br /> Hg .02 <br /> Ni 6 <br /> Pb 15 <br /> Zn 47 <br /> PCB NG <br /> N 500 <br /> P 2100 <br /> K 400 <br /> <br />1150/460 <br />4130/2520 <br />3100/2700 <br />.01/.01 <br />900/650 <br />1580/730 <br />6020/4700 <br />.1 <br />500 <br />57,800 <br />900 <br /> <br />De wa te red <br />Thermally <br />Stabilized <br />Secondary <br /> <br />300/100 <br />2000/1300 <br />1500/1400 <br />.08/ .08 <br />300/260 <br />600/300 <br />2300/700 <br />6 <br />67 , 100 <br />29,800 <br />610 <br /> <br />!.ncine~1~ f!:.imacr ~ludg~ <br /> <br />Composted <br />~econdacr <br /> <br />150/50 <br />1000/650 <br />750/700 <br />.04/ .04 <br />150/130 <br />300/150 <br />1150/850 <br />3 <br />10,000 <br />35,200 <br />13,650 <br /> <br />Sludge <br /> <br />690/260 <br />2740/1920 <br />2010/1770 <br />.01/.01 <br />640/460 <br />1200/640 <br />4210/3370 <br />. 1 . <br />500 <br />35,000 <br />980 <br /> <br />Compost - Primary <br />and ~econdaIT- <br /> <br />90/30 <br />560/390 <br />470/430 <br />.05/.05 <br />106/80 <br />220/110 <br />730/620 <br />3 <br />.10,000 <br />17,750 <br />5,080 <br /> <br />CO!!!Eost 1~11) Dewatered Lime <br />.35 .4 <br />38/32 43/36 <br />60 68 <br />.09 .1 <br />9 10 <br />59 67 <br />80 91 <br />1.2 1.3 <br />1680 1900 <br />785 890 <br />150 170 <br />