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NWCG Glossary of Wildland Fire (PMS 205)

Term Steward Status Definition
Multi-Division (MD) incident Archived An incident having sufficient single resources, Task Forces, or Strike Teams to require more than two Division/Group Supervisors.
multi-jurisdictional indicator FBC Finance/Business Management Committee Approved Indication of the incident covering multiple jurisdictions.
Multi-Leader (ML) incident Archived An incident having a span of control ratio which does not warrant dividing the incident into multiple divisions, but may require filling all or most of the command and general staff positions.
multicom AMC Aviation Management Committee Approved A VHF/AM aircraft radio frequency (122.9 MHz) assigned by the FAA for use in air-to-air communications.
multijurisdiction incident QMC Qualifications Management Committee, NISC NIMS Integration Subcommittee Approved An incident requiring action from multiple agencies that have a statutory responsibility for incident mitigation. In ICS these incidents will be managed under unified command.
multiple fire situation IOSC Incident Operations Subcommittee Approved High fire frequency over a short period of time in an administrative unit, usually overtaxing the normal initial attack capability of the unit.
multiple fire-day FDSC Fire Danger Subcommittee Approved In FireFamily Plus, a day with both a weather observation and a number of fires equal to or greater than that determined by the user to be a significant workload.
multiple points of origin FISC Fire Investigation Subcommittee Approved Two or more separate points of fire origins at a fire scene; strong indication of arson.
mutual aid FBC Finance/Business Management Committee Approved Assistance in firefighting or investigation by fire agencies, without regard for jurisdictional boundaries.
mutual aid agreement QMC Qualifications Management Committee, NISC NIMS Integration Subcommittee Approved A written or oral agreement between and among agencies/organizations and/or jurisdictions that provides a mechanism to quickly obtain assistance in the form of personnel, equipment, materials, and other associated services. The primary objective is to facilitate the rapid, short-term deployment of support prior to, during, and/or after an incident.
mutual threat zone IOSC Incident Operations Subcommittee Approved A geographical area between two or more jurisdictions into which those agencies would respond on initial attack.
name (water source) Approved Name of the water source.
Napalm FISC Fire Investigation Subcommittee Approved An incendiary mixture with a jelling agent used in flamethrowers and bombs.
National Ambient Air Quality Standards (NAAQS) FMSC Fuels Management Subcommittee Approved A legal limit on the level of atmospheric contamination. The level is established as the concentration limits needed to protect all of the public against adverse effects on public health and welfare, with an adequate safety margin. Primary standards are those related to health effects. Secondary standards are designed to protect the public welfare from effects such as visibility reduction, soiling, material damage and nuisances. 
National Association of State EMS Officials EMSC Emergency Medical Subcommittee Approved The lead organization for developing national EMS policy and oversight, providing vision, leadership and resources for the improvement of state, regional and local EMS and emergency care systems.
National Fire Codes (NFC) IOSC Incident Operations Subcommittee Archived The collected technical fire protection standards prepared by various committees of the National Fire Protection Association and published annually in 15 volumes.
National Fire Danger Adjective Class Rating FDSC Fire Danger Subcommittee Approved The Fire Danger Adjective Class Rating representative of an area that best describes the potential initiation, spread, and difficulty of control during initial response. Fire Danger Adjective Class Rating: A method of normalizing rating classes across different fuel models, indexes, and weather station locations. It is a resultant descriptor of the combination of both constant and variable factors that affect the initiation, spread, and difficulty of control of wildfires on an area.
National Fire Danger Adjective Class Rating Code FDSC Fire Danger Subcommittee Approved The Fire Danger Adjective Class Rating representative of an area that best describes the potential initiation, spread, and difficulty of control during initial response. Fire Danger Adjective Class Rating: A method of normalizing rating classes across different fuel models, indexes, and weather station locations. It is a resultant descriptor of the combination of both constant and variable factors that affect the initiation, spread, and difficulty of control of wildfires on an area.
National Fire Danger Rating System (NFDRS) FDSC Fire Danger Subcommittee Approved A uniform fire danger rating system that focuses on the environmental factors that control the moisture content of fuels.
National Fire Danger Rating System (NFDRS) Fuel Model code IRSC Incident Reporting Subcommittee Approved A code that corresponds to one of the National Fire Danger Rating System (NFDRS) fuel models representing the predominant fuel bed properties contributing towards fire spread across the fire area.
National Fire Incident Reporting System unit identifier IMC Integration Management Committee Approved National Fire Incident Reporting System (NFIRS) fire department ID used to uniquely identify a non-federal organizational unit (office administratively responsible for either managing incidents, providing resources, or providing logistical services).
National Fire Protection Association Standards (NFPA) NWCG-EB NWCG Executive Board Approved Standards of the National Fire Protection Association are frequently adopted by insurance agencies such as the National Board of Fire Underwriters as a basis for their regulations and used as a guide for municipal, state, or provincial laws, ordinances, and regulations. 
National Incident Management System QMC Qualifications Management Committee, NISC NIMS Integration Subcommittee Approved A systematic, proactive approach to guide all levels of government, NGOs, and the private sector to work together to prevent, protect against, mitigate, respond to, and recover from the effects of incidents. NIMS provides stakeholders across the whole community with the shared vocabulary, systems, and processes to successfully deliver the capabilities described in the National Preparedness System. NIMS provides a consistent foundation for dealing with all incidents, ranging from daily occurrences to incidents requiring a coordinated Federal response.
National Interagency Incident Management System (NIIMS) QMC Qualifications Management Committee, NISC NIMS Integration Subcommittee Approved An NWCG developed program that consisted of five subsystems which collectively provide a total systems approach to all-risk incident management. The subsystems are: The Incident Command System, Training, Qualifications and Certification, Supporting Technologies, and Publications Management.
National Pipe Straight Hose Thread (NPSH) ETSC Equipment/Technology Subcommittee Approved This is a straight (nontapered) thread standard with the same threads per inch as the appropriate size iron pipe thread. It requires a gasket to seal and is the thread standard used by most U.S. industry.
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