"Property owner" means any person vested with legal or equitable ownership of any improved property.
N.H. Admin. Code § Env-Wq 1202.53
#8235, eff 12-22-04 (See Revision Note at chapter heading for Env-Wq 1200) (formerly Env-Ws 1202.53); ss by #9798-A, eff 10-9-10