35 Ill. Adm. Code 615.306
Certification of Completion of Post-Closure Care
Section 615
Section 615.306Â
Certification of Completion of Post-Closure Care
Within 60 days after completion
of the established post-closure care period, the owner or operator must submit
to the Agency, by registered or certified mail, a certification that the
post-closure care period for the unit was performed in
compliance
with the specifications in the approved post-closure
plan. The certification must be signed by the owner or operator and an
independent registered professional engineer. Documentation supporting the
independent registered professional engineer's certification must be furnished
to the Agency upon request.