Objective ranking of protection units within an administrative group based on the number of human-caused fires for at least the past five years.

The organizational level having functional or geographical responsibility for major aspects of incident operations. A Branch falls between the Section Chief and the division or group in the Operations Section, and between the section and units in the Logistics Section. Branches are identified by Roman numerals or by functional area.

Reduction in water pressure between a pump or hydrant and a nozzle due to expenditure of pressure energy required to move water through a hose; includes losses due to back pressure, friction loss, elevation loss, and/or losses in fittings.

A source category of air pollution that generally extends over a large area. Prescribed burning, field burning, home heating, and open burning are examples of area sources.

An area that has reburned.

The number assigned to an incident. This number follows a standard format where the first two letters indicate the state, the next letters are the incident agency, and the last six digits are agency assigned.

Resources Unit staff track the location and status of all resources assigned to an incident. They ensure all assigned resources have checked in at the incident.

Flow characteristics of liquid fire retardants, especially their cohesiveness or ability to hold together while falling through the air.

At common law, the malicious and willful burning of another's dwelling, outhouse or parcel; by most modern statutes, the intentional and wrongful burning of someone else's, or one's own, property. Frequently requires proof of malicious or wrongful intent.

An organization that oversees the management of multiple incidents or oversees the management of a very large or evolving situation with multiple ICS organizations.