The complex surroundings of an item or area of interest, such as air, water, natural resources, and their physical conditions (temperature, humidity).

An emission limitation action based on the maximum degree of emission reduction (considering energy, environmental, and economic impacts) achievable through application of production processes and available methods, systems, and techniques.

Control measures developed by EPA which apply to residential wood combustion, fugitive dust, and prescribed and silvicultural burning in and around "moderate" PM-10 non-attainment areas. RACM is designed to bring an area back into attainment and uses a smoke management program which relies on weather forecasts for burn/no-burn days. 

A person or group of persons who carries out patrol actions.

The amount of weight that is available for passengers and/or cargo. On the load calculation form it is the operating weight subtracted from the selected weight.

For helicopters, the equipped weight plus weight of the crew and fuel.

How leaders present themselves to others. The personal attributes and traits that determine whether leaders are worthy of trust and respect from their subordinates.

Large single fire pattern indicator or overall patterns of indicators that are readily visible from a distance.

The means by which the fire was initially observed.

Determination that a fire exists. Location and reporting of a fire is not required as is with detection.