35 Ill. Adm. Code 1100.207
Boundary Control
Section 1100.207 Boundary Control
a) 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) 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.