ALARA
ALARA
ALARA (pronounced: ah-lah-rah) is an acronym that stands for As Low As Reasonably Achievable. This principle is a fundamental aspect of radiation safety and radiation protection in the fields of radiology, nuclear technology, and health physics.
Etymology
The term ALARA originated in the field of radiation protection in the 20th century. It is an acronym that stands for "As Low As Reasonably Achievable", which reflects the aim to minimize the risk of radiation exposure to as low as reasonably possible.
Definition
ALARA is a safety principle designed to minimize exposure to radiation by ensuring that doses are kept as low as reasonably achievable, considering economic and societal factors. This principle is applied in situations where it is necessary to use radiation, such as in medical imaging or nuclear power generation, to ensure that the benefits outweigh the potential risks.
Related Terms
- Radiation: The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
- Radiation Safety: The science of protecting people and the environment from the harmful effects of ionizing radiation.
- Radiation Protection: The measures used to protect workers or patients from unnecessary radiation exposure.
- Radiology: The science dealing with X-rays and other high-energy radiation, especially the use of such radiation for the diagnosis and treatment of disease.
- Nuclear Technology: The technology related to the reactions of atomic nuclei.
- Health Physics: The science concerned with the recognition, evaluation, and control of health hazards to permit the safe use and application of ionizing radiation.
External links
- Medical encyclopedia article on ALARA
- Wikipedia's article - ALARA
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