EPA’s final combustion air rules for boilers and incinerators were issued on December 21.  They include national emission standards for hazardous air pollutants for “major” source boilers and for “area” source boilers, new source performance standards for commercial and industrial solid waste incinerators (“CISWI”), and a Resource Conservation and Recovery Act (“RCRA”) non-hazardous secondary materials (“NHSM”) rule to assist in determining whether facilities are subject to the boiler MACT or the stricter CISWI rules based on the material burned in the units. The combustion rules were first issued in April 2011, but EPA self-initiated a stay and review of the… Read more