Radiation Definition Radiation may be defined as energy traveling through space. Non-ionizing radiation is essential to life, but excessive exposures will cause tissue damage. All forms of ionizing radiation have sufficient energy to ionize atoms that may destabilize molecules within cells and lead to tissue damage.
Radiation sources are found in a wide range of occupational settings. If radiation is not properly controlled it can be potentially hazardous to the health of people.
Radiation Protection Philosophy ALARA is an acronym for an important principle in radiation protection and stands for "As Low As Reasonably Achievable". The aim is to minimize the risk of radioactive exposure or amount of dose while keeping in mind that some exposure may be acceptable in order to further the task at hand.
There are four major ways to reduce radiation exposure to workers or to population: - Shielding. Use proper barriers to block or reduce ionizing radiation. - Time. Spend less time in radiation fields. - Distance. Increase distance between radioactive sources and workers or population. - Amount. Reduce the quantity of radioactive material for a practice.