INCIDENT COMMANDER: The person in overall command of an emergency incident. This person is responsible for the direction and coordination of the response effort. INCIDENT SAFETY OFFICER: The person assigned the command staff function of safety officer in the incident command system. ISP: Independent Service Provider, relating to NFPA 1851 for the care and maintenance of structural fire fighting ensembles. NFPA: National Fire Protection Association. NIOSH: National Institute of Occupational Safety and Health. OCCUPATIONAL EXPOSURE: Reasonably anticipated skin, eye, mucous membrane or parenteral contact with blood or other potentially infectious materials that may result from the performance of an employee's duties. OSHA: Occupational Safety and Health Administration. OPIM: Other potentially infectious materials, which include the following body fluids: semen, vaginal secretions, cerebrospinal fluid, synovial fluid, pleural fluid, pericardial fluid, peritoneal fluid, amniotic fluid, saliva, any body fluid that is visibly contaminated with blood and all body fluids in situations where it is difficult or impossible to differentiate between body fluids. OVERHAUL: A fire fighting term involving the process of final extinguishment after the main body of a fire has been knocked down. All traces of fire must be extinguished at this time. PERSONAL PROTECTIVE EQUIPMENT (PPE): 1 The equipment acts to shield or isolate a person from the chemical, physical and thermal hazards that may be encountered at an incident. 1 Personal protective equipment includes both personal protective clothing and respiratory protection. Adequate personal protective equipment should protect the respiratory system, skin, eyes, face, hands, feet, head, body and hearing. 1 Specialized clothing or equipment worn by an employee for protection against a hazard. General work clothes (e.g., uniforms, pants, shirts or blouses) not intended to function as protection against a hazard are not considered to be personal protective equipment. RCW: Revised Code of Washington. REHABILITATION: The process of providing mental and medical evaluation, rest, hydration and nourishment to members who are engaged in emergency operations. RESPIRATORY PROTECTION: Equipment designed to protect the wearer from the inhalation of contaminants. RISK ASSESSMENT: To set or determine the possibility of suffering harm or loss, and to what extent. SCBA: Self-contained breathing apparatus. STATION (FIRE STATION): Structure in which fire service apparatus and/or personnel are housed. STRUCTURAL FIRE FIGHTING PROTECTIVE CLOTHING: This category of clothing, often called turnout or bunker gear, refers to the protective clothing normally worn by fire fighters during structural fire fighting operations. It includes a helmet, coat, pants, boots, gloves and a hood. Structural fire fighters' protective clothing provides limited protection from heat but may not provide adequate protection from the harmful gases, vapors, liquids or dusts that are encountered during hazardous materials incidents. TLV/TWA: Threshold limit values/ time weighted average. TURNOUT CLOTHING: See structural fire fighting protective clothing. VAPOR BARRIER: Material used to prevent or substantially inhibit the transfer of water, corrosive liquids and steam or other hot vapors from the outside of a garment to the wearer's body. WAC: Washington Administrative Code: http://apps.leg.wa.gov/wac/. WISHA: Washington Industrial Safety Health Act. 3 1