The NOx RACT requirements for dry-bottom industrial boilers that are subject to Env-A 1305.03(a) and fire, or are capable of firing, coal or oil, or any combination thereof, shall be as follows:

1. (a) For tangential-fired boilers, an emission limit of 0.38 lb. per million Btu, based on a 24-hour calendar day average;
2. (b) For face-fired boilers, an emission limit of 0.50 lb. per million Btu, based on a 24-hour calendar day average; and
3. (c) For stoker-fired boilers, an emission limit of 0.30 lb. per million Btu, based on a 24-hour calendar day average.

Source. (See Revision Note at chapter heading for Env-A 1300) #9803, eff 10-31-10; ss by #12584, eff 8-15-18 (formerly Env-A 1305.05)