Annual Limit On Intake (ALI) 8
Annual Limit On Intake (ALI) 8 : The intake by inhalation or ingestion or through the skin of a given radionuclide in a year by Reference Man which would result in a committed dose equal to the relevant dose limit. The ALI is expressed in units of activity. - See: ICRP 61. Authorized Limit: A limit on a measurable quantity, established or formally accepted by a regulatory body. ! Wherever possible, authorized limit should be used in preference to prescribed limit. Equivalent in meaning to prescribed limit, authorized limit has been more commonly used in radiation and waste safety, particularly in the context of limits on discharges. Derived Limit: A limit on a measurable quantity set, on the basis of a model, such that compliance with the derived limit may be assumed to ensure compliance with a primary limit. Dose Limit: The value of the effective dose or the equivalent dose to individuals from controlled practices that shall not be exceeded. Operational Limits and Conditions: A set of rules setting forth parameter limits, the functional capability and the performance levels of equipment and personnel approved by the regulatory body for safe operation of an authorized facility. FPrescribed Limit: A limit established or accepted by the regulatory body. The term authorized limit is preferred. Primary Limit: A limit on the dose or risk to an individual. Safety Limits: Limits on operational parameters within which an authorized facility has been shown to be safe. Safety limits are operational limits and conditions beyond those for normal operation. Secondary Limit: A limit on a measurable quantity that corresponds to a primary limit. Such a limit meets the definition of derived limit, and derived limit should be used. e.g. the annual limit on intake, a secondary limit, corresponds to the primary limit on annual effective dose for a worker
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