Table 3 to Subpart C b of Part 60—Municipal Waste Combustor Operating Guidelines

Municipal waste combustor technology Carbon monoxide emissions levels (parts per million by volume) a Averaging time (hrs) b Mass burn waterwall 100 4 Mass burn refractory 100 4 Mass burn rotary refractory 100 24 Mass burn rotary waterwall 250 24 Modular starved air 50 4 Modular excess air 50 4 Refuse-derived fuel stoker 200 24 Fluidized bed, mixed fuel (wood/refuse-derived fuel) 200 c 24 Bubbling fluidized bed combustor 100 4 Circulating fluidized bed combustor 100 4 Pulverized coal/refuse-derived fuel mixed fuel-fired combustor 150 4 Spreader stoker coal/refuse-derived fuel mixed fuel-fired combustor 200 24 Semi-suspension refuse-derived fuel-fired combustor/wet refuse-derived fuel process conversion 250 c 24 Spreader stoker fixed floor refuse-derived fuel-fired combustor/100 percent coal capable 250 c 24 a Measured at the combustor outlet in conjunction with a measurement of oxygen concentration, corrected to 7 percent oxygen, dry basis. Calculated as an arithmetic average. b Averaging times are 4-hour or 24-hour block averages. c 24-hour block average, geometric mean. [71 FR 27334, May 10, 2006]