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• • s <br />TABLE I <br />1 . <br />NC- No calculation <br />CAM4921Foxwnxnrr-nle I.=w9n9ro: <br />New and Mature Landfills <br />Average <br />(Tchobanoglous et al. 1993) <br />Forward <br />Landfill <br />New Landfill (less than 2 years) Mature Landfill <br />Constituent <br />Range <br />Typical <br />(greater than 10 years) <br />Leachate <br />(mgt) <br />(mom) <br />(mg/L) <br />(mg/1) <br />BODS (5 -day bichemical oxygen demand) <br />2,000-30,000 <br />10,000 <br />100-200 <br />16 <br />TOC (total organic carbon) <br />1,500-20,000 <br />6,000 <br />80-160 <br />90.8 <br />COD (chemical oxygen demand) _.._—._...._. <br />3,000-60,000 <br />_._ <br />_ 18,000 <br />100-500 <br />NC <br />Total suspended solids <br />200-2,000 <br />500 <br />100-400 <br />19 <br />Organic nitrogen __... __.. _ .. .,_ <br />10-800 <br />_._ __ __.._ <br />200 <br />._... _ _ <br />80-120 <br />_ __ —. <br />NC <br />-- <br />Ammonia nitrogen <br />10-800 <br />200 <br />20-40 <br />NC <br />Ni to5-40 <br />__ .__ <br />25 <br />5-10 <br />NC <br />—._. _._....._..... ._ ....__ _ .... .._ <br />Total phosphorus5-100 <br />30 <br />5-10 <br />NC <br />Ortho phosphorus <br />4-80 <br />20 <br />4-8 <br />NC <br />Alkalinity as CaCO3 <br />1,000-10,000 <br />3,000 <br />200-1,000 <br />1450 <br />pH <br />4.5-7.5 <br />6 <br />6.6-7.5 <br />8.65 <br />Total hardness as CaCO3 <br />300-10,000 <br />3,500 <br />200-500 <br />NC <br />Calcium <br />200-3,000 <br />1,000 <br />100-400 <br />NC <br />Magnesium <br />50-1,500 <br />250 <br />50-200 <br />200 <br />Potassium <br />200-1,000 <br />300 _ ... <br />50-400 <br />...._ __ ..................... ..... <br />13 <br />Sodium <br />200-2,500 <br />500 <br />100-200 <br />590 <br />Chloride <br />200-3,000 <br />500 <br />100-400 <br />NC <br />Sulfate <br />50-1,000 <br />300 <br />20-50 <br />NC <br />NC- No calculation <br />CAM4921Foxwnxnrr-nle I.=w9n9ro: <br />