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ACCESS CONTROL POINT – The point of entry and exit from control zones at a Hazardous Substance Incident. This physical location is controlled by response personnel limiting access to and from work areas.

AGENCY – A division of government with a specific function, or a non-governmental organization.

AGENCY REPRESENTATIVE (AREP) – Individual assigned to an incident from an assisting or cooperating agency that has been delegated full authority to make decisions on all matters affecting their agency's participation at the incident. Agency Representatives report to the incident LNO.

ALL RISK – Any incident or event, natural or human caused, that warrants action to protect life, property, environment, public health or safety to minimize disruption of government, social, or economic activities.

ALL-HAZARD – Any incident or event, natural or human caused, that requires an organized response by a public, private, and/or governmental entity in order to protect life, public health and safety, values to be protected, and to minimize any disruption of governmental, social, and economic services.

ALTERNATIVE RESPONSE TECHNOLOGIES (ART) –Response methods or techniques other than mechanical containment or recovery. ART may include use of chemical dispersants, in-situ burning, bioremediation, or other alternatives. Application of ART must be authorized and directed by the OSC.

AREA COMMAND – An organization established to: (1) oversee the management of multiple incidents that are each being handled by an ICS Incident Management Teams (IMT) organization or (2) oversee the management of large or multiple incidents to which several IMTs have been assigned. Area Command has the responsibility to set overall strategy and priorities, allocate critical resources according to priorities, ensure that incidents are properly managed, and ensure that objectives are met and strategies followed. (See also: Unified Area Command).

ASSIGNED RESOURCES – Resources checked-in and assigned work tasks on an incident.

ASSIGNMENTS – Tasks given to resources to perform within a given operational period, based upon tactical objectives in the IAP.

ASSISTANT – Title for subordinates of the Command Staff positions assigned to assist the Command Staff person manage their workload. In some cases, assistants are also assigned to unit leader positions in the planning, logistics, and finance/administration sections.

ASSISTING AGENCY – Is an agency directly contributing or providing tactical or service resources to another agency.

– Incident-based resources that are immediately available for assignment.

BASE – That location at which the primary logistics functions are coordinated and administered. (Incident name or other designator will be added to the term "Base.") The ICP may be collocated with the Base. There is only one Base per incident.

BRANCH – The organizational level having functional and/or geographic responsibility for major incident operations. The Branch level is organizationally between Section and Division/Group in the Operations Section and between Section and Units in the Logistics Section. Branches are identified by roman numerals or by functional name (e.g. service, support).

BUYING TEAM – A team that supports incident procurement and is authorized to procure a wide range of services, supplies, and equipment rentals.

CACHE – A pre-determined complement of tools, equipment, and/or supplies stored in a designated location, and available for incident use.

CAMP – Geographical site(s) within the general incident area, separate from the incident base, equipped and staffed to provide sleeping, food, water, and sanitary services to incident personnel.

CHECK-IN – Process whereby resources first report to incident response. Check-in locations include: Incident Command Post (Resources Unit), Incident Base, Camps, Staging Areas, Helibases, Helispots, or Division/Group Supervisors (for direct tactical assignments).

CHIEF – The ICS title for individuals responsible for the command of functional Sections: Operations, Planning, Logistics, and Finance/Administration.

CLEAR TEXT – The use of plain English in radio communications transmission. Neither 10 Codes nor agency-specific codes are used when using Clear Text.

COMMAND – The act of directing, ordering, and/or controlling resources by virtue of explicit legal, agency, or delegated authority. May also refer to an IC or to the UC.

COMMAND POST – See Incident Command Post.

COMMAND STAFF – The Command Staff consists of the PIO, SOFR, and LNO, who report directly to an IC. May also include Intelligence Officer. They may have an assistant or assistants, as needed.

COMMON OPERATING PICTURE – Is a broad view of the overall situation as reflected by situation reports, aerial photography and other information and intelligence.

COMPLEX – Two or more individual incidents located in the same general proximity, which are assigned to a single IC or UC to facilitate management.

CONTAMINANT – See Pollutant.

CONTAMINATION CONTROL LINE (CCL) – The established line around the Contamination Reduction Zone that separates the Contamination Reduction Zone from the Support Zone.

CONTAMINATION REDUCTION CORRIDOR (CRC) – A CRC is that area within the Contamination Reduction Zone where the actual decontamination is to take place. Exit from the Exclusion Zone is through the Contamination Reduction Corridor (CRC). The CRC will become contaminated as people and equipment pass through to the decontamination stations.

CONTAMINATION REDUCTION ZONE (CRZ) – That area between the Exclusion Zone and the Support Zone. This zone contains the Personnel Decontamination Station. This zone may require a lesser degree of personnel protection than the Exclusion Zone. This area separates the contaminated area from the clean area and acts as a buffer to reduce contamination of the clean area.

CONTINGENCY PLAN – The portion of an IAP or other plan that identifies possible but unlikely events and the contingency resources needed to mitigate those events.

CONTROL ZONES – The geographical areas within the control lines set up at a hazardous substance incident. The three zones most commonly used are the Exclusion Zone, Contamination Reduction Zone, and Support Zone.

COOPERATING AGENCY – An agency supplying assistance other than direct tactical or support functions or resources to the incident control effort (e.g., Red Cross, law enforcement agency, telephone company, etc.).

COORDINATION CENTER – Term used to describe any facility that is used for the coordination of agency or jurisdictional resources in support of one or more incidents.

COST SHARING AGREEMENTS – Agreements between agencies or jurisdictions to share designated costs related to incidents. Cost sharing agreements are normally written but may also be verbal between an authorized agency or jurisdictional representatives at the incident.

– Systems and assets, whether physical or virtual, so vital to the United States that the incapacity or destruction of such systems and assets would have a debilitating impact on security, national economic security, national public health or safety, or any combination of those matters.

DEMOBILIZATION – Release of resources from an incident in strict accordance with a detailed plan approved by the IC/UC.

DEPUTY – A fully qualified individual who, in the absence of a superior, could be delegated the authority to manage a functional operation or perform a specific task. In some cases, a Deputy could act as relief for a superior and, therefore, must be fully qualified in the position. Deputies can be assigned to the Incident Commander, General Staff, and Branch Directors.

DIRECTOR – ICS title for individuals responsible for supervision of a Branch.

DIVISION – Organization level used to divide an incident into geographical areas of operation. The Division level is established when the number of resources exceeds the span-of-control of the OSC and is organizationally between the Task Force/Team and the Branch. (See also: Group.)

EMERGENCY OPERATIONS CENTER (EOC) – The pre-designated facility established by an agency or jurisdiction to coordinate the overall agency or jurisdictional response and support to an emergency. The EOC coordinates information and resources to support domestic incident management activities.

EMERGENCY SUPPORT FUNCTION (ESF) – The National Response Plan (NRP) details 15 ESFs in place to coordinate operations during Federal involvement in an incident including transportation, communications, public works, engineering, firefighting, information and planning, mass care, resource support, health and medical services, urban search and rescue, hazardous materials, food, and energy.

EVENT – A planned, non-emergency activity. ICS can be used as the management system for a wide range of events, e.g. NSSES, Opsail, parades, concerts, or sporting activities. The event IAP usually includes contingency plans for possible incidents that might occur during the event.

EXCLUSION ZONE – The area immediately around a spill or release where contamination does or could occur. The innermost of the three zones of a hazardous substance/material incident. Special protection is required for all personnel while in this zone.

EXPANDED ORDERING – An organization that is authorized to set up outside of the ICP to assist the Logistics Section with ordering supplies, services and resources to support the incident. The expanded ordering does not decide allocation of critical resources because they are dealt with by Area Command.

FACILITY OWNER (FO) – FO is the owner/operator of the facility or source which precipitated an incident.

FEDERAL COORDINATING OFFICER (FCO) – The Federal officer who is appointed to manage Federal resource support activities related to Stafford Act disasters and emergencies. The FCO is responsible for coordinating the timely delivery of Federal disaster assistance resources and programs to the affected State and local governments, individual victims, and the private sector.

FEDERAL ON-SCENE COORDINATOR (FOSC) – The Federal official pre-designated by the EPA or the USCG to coordinate responses under subpart D of the NCP (40 CFR 300) or the government official designated to coordinate and direct removal actions under subpart E of the NCP. A FOSC can also be designated as the Incident Commander.

FEDERAL RESOURCE COORDINATOR (FRC) – The Federal official appointed to manage Federal resource support activities related to non-Stafford Act incidents. The FRC is responsible for coordinating support from other Federal departments and agencies usinginteragency agreements and MOU’s.

FEDERAL INCIDENT RESPONSE SUPPORT TEAM (FIRST) – A forward component of the ERT-A that provides on-scene support to the local Incident Command or Area Command structure.

FINANCE/ADMINISTRATION SECTION – The section responsible for all administrative and financial considerations on an incident.

GENERAL STAFF – The group of incident management personnel reporting to the IC and are comprised of: OSC, PSC, LSC, and FSC. They may each have a deputy/deputies.

GEOGRAPHIC INFORMATION SYSTEM (GIS) – A GIS is an electronic information system, which provides a geo-referenced database to support management decision-making.

GROUP – An organizational level established to divide the incident into functional areas of operation. Groups are composed of resources assembled to perform a special function not necessarily within a single geographic division. A Group is located between Branches (when activated) and Resources in the Operations Section. (See also: Division)

HAND CREW – A number of individuals that have been organized and trained and are supervised principally for operational assignments on an incident.

HAZARDOUS CATEGORIZATION TEST (HAZ CAT) – A field analysis to determine the hazardous characteristics of an unknown substance.

HAZARDOUS MATERIAL – For the purposes of ESF #1, hazardous material is a substance or material, including a hazardous substance, that has been determined by the Secretary of Transportation to be capable of posing an unreasonable risk to health, safety, and property when transported in commerce, and which has been so designated (see 49 CFR 171.8). For the purposes of ESF #10 and the Oil and Hazardous Materials Incident Annex, the term is intended to mean hazardous substances, pollutants, and contaminants as defined by the NCP.

HAZARDOUS SUBSTANCE – As defined by the NCP, any substance designated pursuant to section 311(b)(2)(A) of the Clean Water Act; any element, compound, mixture, solution, or substance designated pursuant to section 102 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA); any hazardous waste having the characteristics identified under or listed pursuant to section 3001 of the Solid Waste Disposal Act (but not including any waste the regulation of which under the Solid Waste Disposal Act (42 U.S.C. § 6901 et seq.) has been suspended by act of Congress); any toxic pollutant listed under section 307(a) of the Clean Water Act; any hazardous air pollutant listed under section 112 of the Clean Air Act (42 U.S.C. § 7521 et seq.); and any imminently hazardous chemical substance or mixture with respect to which the EPA Administrator has taken action pursuant to section 7 of the Toxic Substances Control Act (15 U.S.C. § 2601 et seq.).

HELIBASE – A location within the general incident area for parking, fueling, maintenance, and loading of helicopters.

HELISPOT – A location where a helicopter can take off and land. Some helispots may be used for temporary loading.

INCIDENT – An occurrence either human-caused or natural phenomenon, that requires action or support by emergency service personnel to prevent or minimize loss of life or damage to property and/or natural resources.

INCIDENT ACTION PLAN (IAP) – An oral or written plan containing general objectives reflecting the overall strategy for managing an incident. It may include the identification of operational resources and assignments. It may also include attachments that provide direction and important information for management of the incident during one or more operational periods.

INCIDENT BASE – Location at the incident where the primary logistics functions are coordinated and administered. The ICP may be collocated with the base. There is only one base per incident.

INCIDENT COMMANDER (IC) – The individual responsible for all incident activities, including the development of strategies and tactics and the ordering and release of resources. The IC has overall authority and responsibility for conducting incident operations and is responsible for the management of all incident operations at the incident site. (See also: Unified Command).

INCIDENT COMMAND POST (ICP) – The field location at which the primary tactical-level, on-scene incident command functions are performed. The ICP may be collocated with the incident base or other incident facilities.

INCIDENT COMMAND SYSTEM (ICS) – A standardized on-scene emergency management concept specifically designed to allow its user(s) to adopt an integrated organizational structure equal to the complexity and demands of single or multiple incidents, without being hindered by jurisdictional boundaries.

INCIDENT MANAGEMENT TEAM (IMT) – The Incident Commander and appropriate Command and General Staff personnel assigned to an incident.

INCIDENT OF NATIONAL SIGNIFICANCE (INS) – An actual or potential high-impact event that requires a coordinated and effective response by an appropriate combination of Federal, State, local, tribal, nongovernmental, and/or private-sector entities in order to AUGUST 2006 save lives and minimize damage and provide the basis for long-term community recovery and mitigation activities.

INCIDENT OBJECTIVES – Statements of guidance and direction necessary for the selection of appropriate strategies, and the tactical direction of resources. Tactical incident objectives address the tactical response issues while management incident objectives address the incident management issues. Tactical incident objectives are based on realistic expectations of what can be accomplished when all allocated resources have been effectively deployed. Incident objectives must be achievable and measurable, yet flexible enough to allow for strategic and tactical alternatives.

INCIDENT OVERHEAD – All supervisory positions described in the Incident Command System.

INCIDENT SUPPORT ORGANIZATION – Includes any off-incident support provided to an incident. Examples would be EOCs, airports, expanded ordering, etc.

INCIDENT SITUATION DISPLAY – The Situation Unit is responsible for maintaining a display of status boards, which communicate critical incident information vital to establishing an effective command and control environment.

INITIAL ACTION – The actions taken by the first resources to arrive at the incident. Initial actions may be to size up, patrol, monitor, withhold from any action, or take aggressive initial measures.

INITIAL RESPONSE – Resources initially committed to an incident.

INLAND ZONE – As defined in the NCP, the environment inland of the coastal zone excluding the Great Lakes and specified ports and harbors on the inland rivers. The term “coastal zone” delineates an area of Federal responsibility for response action. Precise boundaries are determined by EPA/USCG agreements and identified in Regional Contingency Plan’s (RCPs).

INTELLIGENCE AND INFORMATION – National security, classified information, or other operational information necessary for incident decision making. Traditionally located in the Planning Section but may be moved to other parts of the ICS organization based on Command needs.

JOINT FIELD OFFICE (JFO) – A temporary Federal facility established locally to provide a central point for Federal, State, local, and tribal executives with responsibility for incident oversight, direction, and/or assistance to effectively coordinate protection, prevention, preparedness, response, and recovery actions. The JFO will combine the traditional functions of the JOC, the FEMA DFO, and the JIC within a single Federal facility.

JOINT INFORMATION CENTER (JIC) – A facility established within or near the ICP here the PIO and staff can coordinate and provide information on the incident to the public, media, and other agencies. The JIC is normally staffed with representation from the FOSC, SOSC, and FO.

JOINT INFORMATION SYSTEM (JIS) – Integrates incident information and public affairs into a cohesive organization designed to provide consistent, coordinated, timely information during a crisis or incident operations.

JOINT OPERATIONS CENTER (JOC) – The JOC is the focal point for all Federal investigative law enforcement activities during a terrorist or potential terrorist incident or any other significant criminal incident, and is managed by the SFLEO. The JOC becomes a component of the JFO when the NRP is activated.

JURISDICTION – The range or sphere of authority. Public agencies have jurisdiction at an incident related to their legal responsibilities and authority for incident mitigation. Jurisdictional authority at an incident can be political/geographical (e.g., city, county, state or federal boundary lines) or functional (e.g., police department, health department, etc.). (See also: Multi-jurisdiction Incident.)

LEADER – The ICS title for an individual responsible for a Task Force/Strike Team or functional unit.

LOGISTICS SECTION – The Logistics Section is responsible for providing facilities, services, and materials in support of the incident.

MAJOR DISASTER – As defined by the Stafford Act, any natural catastrophe (including any hurricane, tornado, storm, high water, wind-driven water, tidal wave, tsunami, earthquake, volcanic eruption, landslide, mudslide, snowstorm, or drought) or, regardless of cause, any fire, flood, or explosion, in any part of the United States, which in the determination of the President causes damage of sufficient severity and magnitude to warrant major disaster assistance under this act to supplement the efforts and available resources of States, local governments, and disaster relief organizations in alleviating the damage, loss, hardship, or suffering caused thereby.

MANAGEMENT BY OBJECTIVES – In ICS, this is a top-down management activity which involves the following steps to achieve the incident goal: (1) establishing incident objectives, (2) selection of appropriate strategy(s) to achieve the objectives, and (3) the tactical direction associated with the selected strategy.

MANAGERS – Individuals within ICS organizational units that are assigned specific managerial responsibilities (e.g., Staging Area Manager).

MESSAGE CENTER – The Message Center is part of the Communications Center and collocated with or adjacent to it. It receives, records, and routes information about resources reporting to the incident, resource status, and handles administration, and tactical traffic.

MISSION ASSIGNMENT – The vehicle used by DHS/EPR/FEMA to support Federal operations in a Stafford Act major disaster or emergency declaration. It orders immediate, short-term emergency response assistance when an applicable State or local government is overwhelmed by the event and lacks the capability to perform, or contract for, the necessary work.

MITIGATE – Any action to contain, reduce, or eliminate the harmful effects of a spill or release of a hazardous substance/material.

MOBILIZATION CENTER – An off-incident location at which emergency service personnel and equipment are temporarily located pending assignment, release, or reassignment.

MORGUE (Temporary On-Incident) – Is an area designated for temporary placement of the dead. The Morgue is the responsibility of the Coroner’s Office when a Coroner’s Representative is on-scene.

MULTI-AGENCY COORDINATION (MAC) – A generalized term which describes the functions and activities of representatives of involved agencies and/or jurisdictions who come together to make decisions regarding the prioritizing of incidents, and the sharing and use of critical resources. The MAC organization is not a part of the on-scene ICS and is not involved in developing incident strategy or tactics.

MULTI-AGENCY INCIDENT – Is an incident where one or more agencies assist a jurisdictional agency or agencies. May be single or Unified Command.

MULTIJURISDICTIONAL INCIDENT – Is an incident requiring action from multiple agencies that each have jurisdiction to manage certain aspects of an incident. In ICS, these incidents will be managed under Unified Command.

NATIONAL INFRASTRUCTURE COORDINATING CENTER (NICC) – Managed by the DHS Information Analysis and Infrastructure Protection Directorate, the NICC monitors the Nation’s critical infrastructure and key resources on an ongoing basis. In the event of an incident, the NICC provides a coordinating vehicle to share information with critical infrastructure and key resources information-sharing entities.

NATIONAL RESPONSE CENTER (NRC) – A national communications center for activities related to oil and hazardous substance response actions. The NRC, located at DHS/USCG Headquarters in Washington, DC, receives and relays notices of oil and hazardous substances releases to the appropriate Federal OSC.

NATIONAL RESPONSE PLAN (NRP) – A document that describes the structure and processes comprising a national approach to domestic incident management designed to integrate the efforts and resources of Federal, State, local, tribal, private-sector, and nongovernmental organizations.

NATIONAL RESPONSE SYSTEM (NRS) – Pursuant to the NCP, the NRS is a mechanism for coordinating response actions by all levels of government (40 CFR § 300.21) for oil and hazardous substances spills and releases.

NATIONAL RESPONSE TEAM (NRT) – The NRT, comprised of the 16 Federal agencies with major environmental and public health responsibilities, is the primary vehicle for coordinating Federal agency activities under the NCP. The NRT carries out national planning and response coordination and is the head of a highly organized Federal oil and hazardous substance emergency response network. EPA serves as the NRT Chair, and DHS/USCG serves as Vice Chair.

NATIONAL SPECIAL SECURITY EVENT (NSSE) – A designated event that, by virtue of its political, economic, social, or religious significance, may be the target of terrorism or other criminal activity.

NATIONAL STRIKE FORCE (NSF) – The NSF consists of three strike teams established by DHS/USCG on the Pacific, Atlantic, and Gulf coasts. The strike teams can provide advice and technical assistance for oil and hazardous substances removal, communications support, special equipment, and services.

NOAA WEATHER STATION – A mobile weather data collection and forecasting facility (including personnel) provided by the National Oceanic and Atmospheric Administration (NOAA), which can be utilized within the incident area.

NONGOVERNMENTAL ORGANIZATION (NGO) – A nonprofit entity that is based on interests of its members, individuals, or institutions and that is not created by a government, but may work cooperatively with government to serve a public purpose, i.e., faith-based charity organizations, American Red Cross.

NUCLEAR INCIDENT RESPONSE TEAM (NIRT) – Created by the Homeland Security Act to provide DHS with a nuclear/radiological response capability. When activated, the NIRT consists of specialized Federal response teams drawn from DOE and/or EPA.

OFFICER – The ICS title for personnel responsible for the Command Staff positions of Safety, Liaison, and Public Information.

OPERATIONAL PERIOD – The period of time scheduled for execution of a given set of operation actions as specified in the IAP. Operational Periods can be various lengths, usually not over 24 hours. The Operational Period coincides with the completion of one planning “P” cycle (see Chapter 3 planning cycle).

OPERATIONS COORDINATION CENTER (OCC) – The primary facility of the Multi-Agency Coordination System. It houses staff and equipment necessary to perform MAC functions.

OPERATIONS SECTION – The Section responsible for all operations directly applicable to the primary mission. Directs the preparation of Branch, Division, and/or Unit operational plans, requests or releases resources, makes expedient changes to the IAP as necessary and reports such to the IC.

OUT-OF-SERVICE RESOURCES – Resources assigned to an incident, but they are unable to respond for mechanical, rest, or personnel reasons.

OVERHEAD PERSONNEL – Personnel who are assigned to supervisory positions that includes: Incident Commander, Command Staff, General Staff, Directors, Supervisors, and Unit Leaders.

PERSONAL PROTECTIVE EQUIPMENT (PPE) – That equipment and clothing required to shield or isolate personnel from the chemical, physical, and biological hazards that may be encountered at a hazardous substance/material incident. 33 CFR 154.1026, 33 CFR 155.1026

PLANNING SECTION – The section that is responsible for the collection, evaluation, and dissemination of tactical information related to the incident, and for the preparation and documentation of incident action plans. The section also maintains information on the current and forecasted situation, and on the status of resources assigned to the incident.

POLLUTANT OR CONTAMINANT – As defined in the NCP, includes, but is not limited to, any element, substance, compound, or mixture, including disease causing agents, which after release into the environment and upon exposure, ingestion, inhalation, or assimilation into any organism, either directly from the environment or indirectly by ingestion through food chains, will or may reasonably be anticipated to cause death, disease, behavioral abnormalities, cancer, genetic mutation, physiological malfunctions, or physical deformations in such organisms or their offspring.

PRINCIPAL FEDERAL OFFICIAL (PFO) – The Federal official designated by the Secretary of Homeland Security to act as his/her representative locally to oversee, coordinate, and execute the Secretary’s incident management responsibilities under HSPD-5 for Incidents of National Significance.

QUALIFIED INDIVIDUAL (QI) – The person authorized by the responsible party to act on their behalf, authorize expenditures, and obligate resources.

RADIOLOGICAL EMERGENCY RESPONSE TEAMS (RERT’s) – Teams provided by EPA’s Office of Radiation and Indoor Air to support and respond to incidents or sites containing radiological hazards. These teams provide expertise in radiation monitoring, radionuclide analyses, radiation health physics, and risk assessment.

REGIONAL RESPONSE TEAMS (RRT’s) – Regional counterparts to the National Response Team, the RRT’s comprise regional representatives of the Federal agencies on the NRT and representatives of each State within the region. The RRT’s serve as planning and preparedness bodies before a response, and provide coordination and advice to the Federal OSC during response actions.

REGIONAL RESPONSE COORDINATION CENTERS (RRCC) – A standing facility operated by DHS/EPR/FEMA that is activated to coordinate regional response efforts, establish Federal priorities, and implement local Federal program support until a JFO is established in the field and/or the PFO, FCO or FRC can assume their NRP coordination responsibilities.

REPORTING LOCATION – Any one of six facilities/locations where incident assigned resources may check-in. The locations are: Incident Command Post-Resources Unit, Base, Staging Area, Helibase, or Division/Group Supervisors (for direct line assignments). Check-in occurs at one location only.

RESOURCES – All personnel and major items of equipment available, or potentially available, for assignment to incident tasks on which status is maintained.

RESPONDER REHABILITATION – Also known as "rehab", a treatment of incident personnel who are suffering from the effects of strenuous work and/or extreme conditions.

SAR ON-SCENE COORDINATOR (SAR OSC) – The SAR OSC coordinates the SAR mission on-scene using the resources made available by SMC and should safely carry out the SAR Action Plan. The SAR OSC may serve as a Branch Director or Group Supervisor to manage on-scene operations after the SAR mission is concluded and other missions continue, such as search and recovery.

SECTION – That organization level having functional responsibility for primary segments of an incident such as: Operations, Planning, Logistics and Finance. The Section level is organizationally between Branch and Incident Commander.

SENIOR FEDERAL OFFICIAL (SFO) – A SFO is an individual representing a Federal department or agency with primary statutory responsibility for incident management.

SINGLE RESOURCE – Is an individual, a piece of equipment and its personnel complement, or a crew or team of individuals with an identified work supervisor that can be used on an incident.

SITE SAFETY AND HEALTH PLAN (SSHP) – Site specific document required by state and Federal OSHA regulations and specified in the Area Contingency Plan. The SSHP, at minimum, addresses, includes, or contains the following elements: health and safety hazard analysis for each site task or operation, comprehensive operations work plan, personnel training requirements, PPE selection criteria, site-specific occupational medical monitoring requirements, air monitoring plan, site control measures, confined space entry procedures (if needed), pre-entry briefings (tailgate meetings, initial and as needed), preoperations commencement health and safety briefing for all incident participants, and quality assurance of SSHP effectiveness.

SITUATION ASSESSMENT – The evaluation and interpretation of information gathered from a variety of sources (including weather information and forecasts, computerized models, GIS data mapping, remote sensing sources, ground surveys, etc.) that, when  communicated to emergency managers and decision makers, can provide a basis for incident management decision making.

SPAN OF CONTROL – A Command and Control term that means how many organizational elements may be directly managed by one person. Span of Control may vary from one to seven, and a ratio of five reporting elements is optimum.

STAGING AREA – That location where incident personnel and equipment are assigned awaiting tactical assignment. Staging Areas are managed by the OSC.

STAKEHOLDERS – Any person, group, or organization affected by and having a vested interest in the incident and/or the response operation.

STRATEGIC GOALS – Strategic goals are broad, general statements of intent.

STRATEGY – The general plan or direction selected to accomplish incident objectives.

STRATEGIC PLAN – Is a plan that addresses long-term issues such as impact of weather forecasts, time– phased resource requirements, and problems such as permanent housing for displaced disaster victims, environmental pollution, and infrastructure restoration.

STRIKE TEAM – Are specified combinations of the same kind and type of resources with common communications and a leader.

SUPERVISOR – ICS title for individuals responsible for command of a Division or Group.

SUPPORT ZONE – In a hazardous substance response, the clean area outside of the Contamination Control Line is a support zone. Equipment and personnel are not expected to become contaminated in this area. Special protective clothing is not required. This is the area where resources are assembled to support the hazardous substances/materials release operation.

SUPERVISOR OF SALVAGE AND DIVING (SUPSALV) – A salvage, search, and recovery operation established by the Department of Navy with experience to support response activities, including specialized salvage, firefighting, and petroleum, oil, and lubricants offloading.

TACTICAL DIRECTION – Directions given by the OSC that includes: the tactics appropriate for the selected strategy, the selection and assignment of resources, tactics implementation, and performance monitoring for each operational period.

TACTICS – Deploying and directing resources during an incident to accomplish the objectives designated by strategy.

TASK FORCE – A group of resources with common communications and a leader assembled for a specific mission.

T-CARD – Cards filled out with essential information for each resource they represent. The cards are color coded to represent different types of resources.

TECHNICAL SPECIALISTS (THSP) – Personnel with special skills who can be used anywhere within the ICS organization.

TEMPORARY FLIGHT RESTRICTIONS (TFR) –TFRs are established by the Federal Aviation Administration (FAA) to ensure aircraft safety in the vicinity of the incident which restricts the operation of non-essential aircraft in the airspace around that incident.

TERRORISM – Any activity that: (1) involves an act that (a) is dangerous to human life or potentially destructive of critical infrastructure or key resources and (b) is a violation of the criminal laws of the United States or of any State or other subdivision of the United States; and (2) appears to be intended (a) to intimidate or coerce a civilian population, (b) to influence the policy of a government by intimidation or coercion, or (c) to affect the conduct of a government by mass destruction, assassination, or kidnapping.

UNACCEPTABLE RISK – Level of risk as determined by the risk management process which cannot be mitigated to an acceptable safe level.

UNIFIED COMMAND (UC) – An application of ICS used when there is more than one agency with incident jurisdiction or when incidents cross political jurisdictions. Agencies work together through the designated members of the Unified Command to establish their designated Incident Commanders at a single ICP and to establish a common set of objectives and strategies and a single Incident Action Plan. This is accomplished without losing or abdicating authority, responsibility, or accountability.

UNIFIED AREA COMMAND (UAC) – A unified area command is established when incidents under an area command are multi-jurisdictional.

UNIT – That organizational element having functional responsibility for a specific incident planning, logistics, or finance/administration activity.

VESSEL OWNER (VO) – VO is the owner/operator of the vessel or source which precipitated the incident.

VOLUNTEER – Any individual accepted to perform services by an agency that has authority to accept volunteer services when the individual performs services without promise, expectation, or receipt of compensation for services performed.

WATERSHED REHABILITATION – Is also known as "rehab"; restoration of watershed to as-near-as-possible its pre-incident condition, or to a condition where it can recover on its own.

WEAPON OF MASS DESTRUCTION (WMD) – As defined in Title 18, U.S.C. § 2332a: (1) any explosive, incendiary, or poison gas, bomb, grenade, rocket having a propellant charge of more than 4 ounces, or missile having an explosive or incendiary charge of more than one-quarter ounce, or mine or similar device; (2) any weapon that is designed or intended to cause death or serious bodily injury through the release, dissemination, or impact of toxic or poisonous chemicals or their precursors; (3) any weapon involving a disease organism; or (4) any weapon that is designed to release radiation or radioactivity at a level dangerous to human life.