R

Radio Direction Finding Team (Electronic Search Team)
Teams use radio direction finding equipment to locate distress beacons (such as emergency locator transmitters, emergency position indicating radio beacons, and personal locator beacons). Beacons may be located in remote or populated areas, as teams can expect to work in varied localities, including airfields, marinas, and geographically secluded areas. avidpromedical.com

Radiological Material
Any material that spontaneously emits ionizing radiation.  (National Fire Protection Association [NFPA] Standard # 472)

Rapid Needs Assessment (RNA) Team
Team provides a rapid assessment capability immediately following a major disaster or emergency.  The RNA Team will collect and provide information to determine requirements for critical resources needed to support emergency response activities.  The RNA Team is responsible for assessing both overall impact of a disaster event and determining Federal and/or State immediate response requirements.

Release
Any spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting, escaping, leaching, dumping, or disposing into the environment (including the abandonment or discharging of barrels, containers, and other closed receptacles containing any hazardous substance or pollutant or contaminant). (Section 101[22] CERCLA)

Rescue
To access, stabilize, and evacuate distressed or injured individuals by whatever means necessary to ensure their timely transfer to appropriate care or to a place of safety.

Rope Rescue (High-Angle Rescue; Low-Angle Rescue; Technical Rescue)
To rescue through the use of rigging techniques, anchor systems, belays, mechanical advantages, subject extrication techniques, and low- and high-angle rescue techniques.