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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 workers.
OSHA’s regulations apply to most forms of non-ionizing and ionizing radiation, though they are contained in separate regulations, and in most cases are not very detailed. Note: There are other government agencies who may also have regulatory jurisdiction over various aspects of radiation safety, such as the Nuclear Regulatory Commission and various state agencies—these are not addressed in this publication.
Employers must: