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Mr.Thomas C.Allen, II <br /> NC DEHNR DAQ <br /> August 25, 1998 <br /> Page 4 <br /> Table 1 <br /> Recalculation of NMOC Emissions <br /> Orange Regional Landfill,North Carolina (Permit No. 68-01) <br /> The following is a summary of NMOC values calculated by NC DAQ using NSPS/CAA <br /> emission factors and those calculated using both NSPS/CAA and AP-42 emission factors. NC <br /> DAQ officials have tentatively approved the use of the AP-42 emission factors recommended by <br /> the US EPA. The calculations were performed using the US EPA LandWin model computer <br /> program developed for US EPA. Output sheets for the recalculated emissions are presented in <br /> Attachments A & B. <br /> Northern Southern Total <br /> Unit Unit Landfill <br /> MSW Design Capacity 891,550 Mg3 770,000 Mg 1,661,550 Mg <br /> (810,500 tons) (700,000 tons) (1,5 10,500 tons) <br /> Years of Operation 1972-1995 1995-2006 1972-2006 <br /> Max.NMOC generation rate 1,447 Mg/year <br /> (per NC DAQ calculations) (1,315 tons/year) <br /> Max. NMOC generation rate 133.8 Mg/year in 1995 132.8 Ms/year in 2006 209.9 Migiyear in 2006 <br /> (New calculations using CAA) 121.6(tonsiyear) 120.7(tons/year) I90.8(tons/year) <br /> Max.NMOC generation rate 12.5 Mg/year in 1995 12.1 Mg,/year in 2006 20.2 Mg/year in 2006 <br /> (ALMIS calculations using AP 42) 11.4(tons/year) 11.0(tons/year) 18.37(tons/year) <br /> Notes: <br /> Multiply Mg (megagrams)by 1.1 to convert to tons. <br /> Landfill Air Emissions Estimation Mode!, Windows Version 1.0,US Environmental Protection Agency, <br /> Control Technology Center, Research Triangle Park,NC, March 1996. <br /> ALMES&ASSOCIATES,INC. <br /> CONSULTING ENGINEERS <br /> P:\Moments\choPRII-595\P.97-9c5V97.9c°.APen.cAo.3-25-9s.dx R97-945.595 <br />