N.H. Code Admin. R. Env-A 1303.06

Current through Register No. 25, June 20, 2024

Section Env-A 1303.06 - RACT Requirements: Wet-Bottom Utility Boilers Firing Coal

The NOx RACT requirements for wet-bottom utility boilers firing coal, whether by itself or in combination with any other fuel(s) shall be as follows:

(a) For tangential or face-fired boilers, an emission limit of 1.0 lb. per million Btu, based on a 24-hour calendar day average;

(b) For cyclone-fired boilers having a maximum nameplate capacity of less than 320 megawatts and equipped with a SCR system an emission limit of:

(1) 0.22 lb. per million Btu, based on a 24-hour calendar day average, except as provided in (2) below; or

(2) 4.0 tons per day on any calendar day during which a startup, shutdown or low-load operation occurs; and

(c) For cyclone-fired boilers having a maximum nameplate capacity of equal to or greater than 320 megawatts and equipped with a SCR system an emission limit of:

(1) 0.22 lb. per million Btu, based on a 24-hour calendar day average, except as provided in (2) below; or

(2) 11.5 tons per day on any calendar day during which a startup, shutdown or low-load operation occurs.

N.H. Code Admin. R. Env-A 1303.06

(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.