Time needed under specified conditions for a fuel particle to lose about 63 percent of the difference between its initial moisture content and its equilibrium moisture content. If conditions remain unchanged, a fuel will reach 95 percent of its equilibrium moisture content after 4 timelag periods. 

To go back and forth vigilantly over a length of control line during and/or after construction to prevent breakovers, suppress spot fires, and extinguish overlooked hotspots.

Product of combustion from transportation and stationary sources and a major contributor to acid deposition and the formation of ground level ozone in the troposphere.

A sky condition that varies between reportable values of sky cover amounts during the period of observation.

A causative agent.

The organizational element with functional responsibility for a specific activity within the Planning, Logistics, and Finance/Administration Sections in ICS.A generic term that represents an organizational entity that only has meaning when it is contextualized by a descriptor, e.g. jurisdictional.

All individuals assigned to an incident or in support of an incident, whether on scene or off scene.

The relative difficulty of constructing and holding a control line as affected by resistance to line construction and by fire behavior.

The entity submitting a given incident report.

A description of the intended outcome of a training class, program, or evolution. The learning objective identifies the condition, the task, and the standard to which the student much achieve.