"Reasonably available control technology" or "RACT" for the purposes of Env-A 3000 through Env-A 3200 means "RACT" as defined in RSA 125-J:1,XXV, namely "the lowest emission limitation that a stationary source is capable of meeting by the application of control technology that is reasonably available considering technological and economic feasibility."
N.H. Admin. Code § Env-A 3102.28
#6441, EXEMPT, eff 1-21-97