§ 236.320. Protection from inadvertent intruders.
(a) The disposal facility shall include intruder barriers for Class B, Class C and mixed wastes. At a minimum, these disposal units shall include an intruder barrier that is an engineered structure, designed to resist inadvertent intrusion for:
(1) Class B waste—300 years.
(2) Class C waste—500 years.
(3) Mixed waste—500 years.
(b) If more than one class of waste is disposed of in the same unit, the more stringent intruder requirement shall be met.
(c) The disposal facility design shall, to the extent practicable, limit radiation exposures to the inadvertent intruder to an annual whole body dose equivalent of 25 millirems.
Cross References This section cited in 25 Pa. Code § 236.2 (relating to definitions); and 25 Pa. Code § 236.502 (relating to classes of waste).
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