Section 340.1045  Decay-In-Storage

A licensee may store waste containing, or comprised of, radioactive material with a physical half-life of less than 120 days for "decay-in-storage" before disposal as normal waste under the following provisions:

a)         Radioactive waste to be disposed of shall be held for decay a minimum of 10 half-lives.

b)         Pursuant to Section 340.510(a) and (b) of this Part, radiation surveys shall be performed prior to disposal of the waste to ensure that the waste's radioactivity cannot be distinguished from background radiation levels.  The package/ container surface shall be surveyed with an appropriate radiation detection survey instrument set on its most sensitive scale, with no interposed shielding between the detector and the waste, in a low background radiation environment.

c)         Records of monitoring shall be maintained to include: date of disposal; date placed in storage; manufacturer, model and serial number of the survey instrument used; background radiation levels; and measured radiation levels.

d)         The identity of the individual performing the monitoring shall be recorded.

e)         All radiation labels shall be removed or obliterated.

(Source:  Added at 29 Ill. Reg. 20841, effective December 16, 2005)