RESPONDING TO NATURAL GAS EMERGENCIES
tactics are intended to be more permanent and may require resources such as portable basins or bladder bags constructed of chemically re- sistant materials.
Rights-of-Way (ROW).A strip of land usually about 25 to 150 feet wide containing one or more pipelines or other subsurface utilities (e.g., communications, fiber optic cables) on which the pipeline operator has the rights to construct, operate, and/or maintain a pipeline. They may be found in urban, subur- ban and rural areas.
Risks. The probability of suffering a harm or loss. Risks are variable and change with every incident.
Risk Analysis. A process to analyze the prob- ability that harm may occur to life, property, and the environment and to note the risks to be taken to identify the incident objectives.
S
Safety Officer. Responsible for the safety of all personnel, including monitoring and as- sessing safety hazards, unsafe situations, and developing measures for ensuring personnel safety. The Incident Safety Officer (ISO) has the authority to terminate any unsafe actions or operations, and is a required function based upon the requirements of OSHA 1910.120 (q).
Safe Refuge Area. A temporary holding area within the hot zone for contaminated people until a decontamination corridor is set up.
SCADA. (See Supervisory Control and Data Acquisition System).
SCBA. (See Self Contained Breathing Appa- ratus.)
SCC. (See Stress Corrosion Cracking).
Scene. The location impacted or potentially impacted by a hazard.
Section. That organization level within the In- cident Command System having functional responsibility for primary segments of inci- dent operations, such as Operations, Plan-
112
ning, Logistics and Administration/Finance. The Section level is organizationally between Branch and the Incident Commander.
Sector. As used within the Incident Command System, are the organizational level having re- sponsibility for operations within a defined geographic area OR with a specific functional assignment. Examples of functional sectors within the Operations Section would be the Safety, Rescue, or Medical Sectors. A location may also be designated as a geographic sector, such as the North Sector or Marine Dock Sec- tor.
Self Contained Breathing Apparatus (SCBA). A positive pressure, self-contained breathing apparatus (SCBA) or combination SCBA/supplied air breathing apparatus cer- tified by the National Institute for Occupa- tional Safety and Health (NIOSH) and the Mine Safety and Health Administration (MSHA), or the appropriate approval agency for use in atmospheres that are immediately dangerous to life or health (IDLH).
Site Management and Control. The manage- ment and control of the physical site of a haz- mat incident. Includes initially establishing command, approach and positioning, staging, establishing initial perimeter and hazard con- trol zones, and public protective actions.
Size-Up. The rapid, yet deliberate considera- tion of all critical scene factors.
Skilled Support Personnel. Personnel who are skilled in the operation of certain equip- ment, such as cranes and hoisting equipment, and who are needed temporarily to perform immediate emergency support work that can- not reasonably be performed in a timely fash- ion by emergency response personnel.
Solidification. Process by which a contami- nant physically or chemically bonds to an- other object or is encapsulated by it. May be used as a chemical method of confinement or decontamination.
Solubility. The ability of a solid, liquid, gas, or vapor to dissolve in water or other specified medium. The ability of one material to blend uniformly with another, as in a solid in liquid,
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