32 Ill. Adm. Code 351.40
Prohibition
Section 351
Section 351.40 Prohibition
No licensee or registrant shall
perform wireline service operations with sealed source(s) unless, prior to
commencement of the operation, the licensee has a written agreement with the
well operator, well owner, drilling contractor or land owner that:
a) In the event a sealed source is lodged downhole, efforts at
recovery will be made that are commensurate with the circumstances of the
specific case, e.g., quantity and half-life of the radionuclide, depth of the
source and presence of potable water aquifers; and
b) In the event a decision is made to abandon the sealed source
downhole, the requirements of Section 351.5010(d) of this Part shall be met
within 30 days after a decision by the licensee to abandon the source has been
approved by the Illinois Emergency Management Agency (Agency).