"Spill containment" means a liquid-tight container, with or without secondary containment, that protects the environment by containing leaks and spills of regulated substances during the transfer or delivery of regulated substances to or from any UST, which can be located at the top of the tank or at a remote fill or stage I connection point. The term includes spill bucket and vapor bucket.
N.H. Admin. Code § Env-Or 402.58
(See Revision Note at chapter heading for Env-Or 400) #10393, eff 9-1-13