35 Ill. Adm. Code 1100.207
Boundary Control
Section 1100.207Â Boundary Control
a)Â Â Â Â Â Â Â Â Unauthorized
vehicular access to the working face of all units and to all other areas within
the boundaries of the facility must be restricted.
b)Â Â Â Â Â Â Â Â A
permanent sign must be posted at the entrance to the facility or each unit
stating that only CCDD or uncontaminated soil is accepted for use as fill.