As low as is reasonably achievable (ALARA) means making every reasonable effort to maintain exposures to radiation as far below the dose limits in these regulations as is practical, consistent with the purpose for which the licensed or registered activity is undertaken, taking into account the state of technology, the economics of improvements in relation to state of technology, the economics of improvements in relation to benefits to the public health and safety, and other societal and socioeconomic considerations, and in relation to utilization of nuclear energy and licensed or registered sources of radiation in the public interest.
reasonably practicable means practicable having regard to-
Reasonable suspicion means a basis for forming a belief based on specific facts and rational inferences drawn from those facts.
Environmentally Sensitive Material means and includes all contaminants, oil, oil products, toxic substances and any other substance (including any chemical, gas or other hazardous or noxious substance) which is (or is capable of being or becoming) polluting, toxic or hazardous.
Suspect means the person or persons against or in relation to whom an inquiry is initiated in case of leak or suspected leak of UPSI.