Tank means a stationary device, designed to contain an accumulation of hazardous waste which is constructed primarily of non-earthen materials (e.g., wood, concrete, steel, plastic) which provide structural support.
Engine under the Lease. The term "Engines" means, as of any date of determination, both Engines then leased to the Lessee pursuant to the Lease.
Surface water means all water which is open to the atmosphere and subject to surface runoff.
Campsite means any place where bedding, sleeping bag, or other material used for bedding purposes, or any stove or fire is placed, established, or maintained for the purpose of maintaining a temporary place to live, whether or not such place incorporates the use of any tent, lean-to, shack, or any other structure, or any vehicle or part thereof.
Ambient air means that portion of the atmosphere, external to buildings, to which the general public has access.