b"A P P E N D I X BOVERHAUL: A firefighting 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):Equipment to shield or isolate a person from the chemical, physical and thermal hazards that may be encountered at an incident.PPE includes both personal protectiveREHABILITATION: The process ofTHERMAL RUNAWAY: An incident in clothing and respiratory protection. Adequate PPE should protect theproviding mental and medical evaluation,which one exothermal process triggers respiratory system, skin, eyes, face,rest, hydration and nourishment to membersother processes, finally resulting in an hands, feet, head, body and hearing. who are engaged in emergency operations. uncontrollable increase in temperature.This can result in the destruction of aSpecialized clothing or equipmentRESPIRATORY PROTECTION: Equipmentbattery or, in severe cases, in fire.worn by an employee for protectiondesigned to prevent the wearer from inhaling against a hazard. General work clothescontaminants.TLV/TWA: Threshold limit values/time (e.g., uniforms, pants, shirts or blouses)weighted average.RISK ASSESSMENT: To set or determine not intended to function as protectionthe possibility of suffering harm or loss, andTOTAL WORKER HEALTH (TWH):against a hazard are not considered to beto what extent. A holistic approach to workplace health personal protective equipment. and safety that emphasizes the integration SCBA: Self-contained breathing apparatus. of injury and illness prevention efforts with PFAS: Per- and polyfluoroalkyl substances, a class of thousands ofSTATION (FIRE STATION): Structure inhealth-promotion initiatives.chemicals. These pollutants, whichwhich fire service apparatus and/or personnelTURNOUT CLOTHING: See structural repel water, oil and grease, are used inare housed. firefighting protective clothing.hundreds of everyday products including firefighting foams and bunker gear. STRUCTURAL FIREFIGHTINGVAPOR BARRIER: Material used to PROTECTIVE CLOTHING: Often calledprevent or substantially inhibit the transfer PRELIMINARY EXPOSUREturnout or bunker gear, this refers to theof water, corrosive liquids, steam or other REDUCTION (PER): Techniques forprotective clothing normally worn by fire fightershot vapors from the outside of a garment to reducing soiling and contaminationduring structural firefighting operations. Itthe wearer's body.levels on the exterior of the ensemble orincludes a helmet, coat, pants, boots, gloves and ensemble elements following incidenta hood. This clothing provides limited protectionWAC: Washington Administrative Code: operations. from heat but may not provide adequateapps.leg.wa.gov/wac.protection from the harmful gases, vapors, liquids RCW: Revised Code of Washington. or dusts that are encountered during hazardousWISHA: Washington Industrial Safety and materials incidents. Health Act.58"