Wildland Urban Interface: The line, area, or zone where structures or other human development meet or intermingle with undeveloped wildland or vegetative fuels (i.e. I-Zone or urban interface).
Mixing zone means a limited area of a surface water body or aquifer where initial dilution of a discharge takes place and where certain water quality standards may be exceeded.
Buffer Zone means an area designated to be left along roads or other features in which there will be no cutting.
Use Zone means the area beneath and surrounding a play structure or piece of equipment that is designated for unrestricted movement around the equipment, and onto which a child falling from or exiting the equipment could be expected to land.
Coastal zone means the area comprising coastal public property, the coastal protection zone, coastal access land, coastal protected areas, the seashore and coastal waters, and includes any aspect of the environment on, in, under and above such area;
Reserve Zone means any of those geographic areas consisting of a combination of one or more Control Zone(s), as designated by the Office of the Interconnection in the PJM Manuals, relevant to provision of, and requirements for, reserve service.