Whenever a fuel burning device installed on or before May 13, 1970 is replaced, the owner or operator shall operate within the limits established in Env-A 2002.02.
N.H. Admin. Code § Env-A 2002.03
#6505-B, eff 5-1-97 (formerly Env-A 1202); ss and moved by #8331, eff 4-23-05 (from Env-A 2003.03); ss by #10416, eff 9-24-13