The NOx RACT requirements for tangential or face-fired boilers that are subject to Env-A 1305.03(a) and fire, or are capable of firing, a combination of oil and gas, shall be as follows:
(a) When firing gas exclusively: (1) An emission limit of 0.10 lb. per million Btu, based on an hourly average; or(2) Implement NOx RACT control technology as specified in Env-A 1305.03(b);(b) When firing oil exclusively: (1) When firing No. 2 fuel oil exclusively, an emission limit of 0.12 lb. per million Btu, based on an hourly average; and(2) When firing No. 4, 5, or 6 fuel oil, or any combination thereof: a.An emission limit of 0.30 lb. per million Btu, based on a 24-hour calendar day average; orb.Implement NOx RACT control technology as specified in Env-A 1305.04(b); and(c) When firing a combination of oil and gas: (1) When firing gas and No. 2 fuel oil, an emission limit of 0.12 lb. per million Btu, based on an hourly average; and(2) When firing gas and No. 4, 5, or 6 fuel oil, or any combination thereof: a.An emission limit of 0.30 lb. per million Btu, based on a 24-hour calendar day average; orb.Implement NOx RACT control technology as specified in Env-A 1305.03(b).N.H. Admin. Code § Env-A 1305.06
(See Revision Note at chapter heading for Env-A 1300) #9803, eff 10-31-10
Amended by Volume XXXVIII Number 32, Filed August 9, 2018, Proposed by #12584, Effective 8/15/2018, Expires 8/15/2028.