N.H. Code Admin. R. Env-A 401.02
This chapter shall apply to all sources currently in operation that emitted 100 tons or more of SO2 per year on average during 1979 through 1982.
Source. #8233, eff 12-22-04 (from Env-A 402.01); ss by #10288, eff 3-19-13; ss by #13641, eff 5-23-23