35 Ill. Adm. Code 750.470
Phase VII - Documentation and Cost Recovery
Section 750
Section 750.470 Phase VII
− Documentation and Cost Recovery
During all phases, documentation
shall be collected and maintained to support all actions taken under this Plan,
and to form the basis for cost recovery. In general, documentation should be
sufficient to provide the source and circumstances of the condition, the
identity of responsible parties, accurate accounting of State costs incurred,
and impacts and potential impacts to the public health, welfare and
environment.