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PDFWAC 246-246-020

Radiological criteria for unrestricted use.

The department will determine a site is acceptable for unrestricted use if:
(1) The residual radioactivity that is distinguishable from background radiation results in a TEDE to an average member of the critical group that does not exceed 0.25 mSv (25 mrem) per year, including that from groundwater sources of drinking water; and
(2) The residual radioactivity has been reduced to levels that are ALARA. Determination of the levels which are ALARA must take into account consideration of any detriments, such as deaths from transportation accidents, expected to potentially result from decontamination and waste disposal.
[Statutory Authority: RCW 70.98.050. WSR 15-06-015, § 246-246-020, filed 2/23/15, effective 3/26/15; WSR 00-07-085, § 246-246-020, filed 3/15/00, effective 4/15/00.]
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