N.H. Code Admin. R. Env-Or 402.63
“Substantially modified facility” means a UST facility that has undergone a substantial modification.
Source. (See Revision Note #1 at chapter heading for Env-Or 400) #10393, eff 9-1-13; ss by #12643, eff 10-10-18 (formerly Env-Or 402.51) (See Revision Note #2 at chapter heading for Env-Or 400)