US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 615 — EXISTING ACTIVITIES IN A SETBACK ZONE OR REGULATED RECHARGE AREASubpart C615.30735 Ill. Adm. Code 615.307Post-Closure Care PeriodYear: 2026Length: 17 wordsOfficial source Section 615 Section 615.307 Post-Closure Care Period The post-closure care period is as defined at Section 615.202.Previous35 Ill. Adm. Code 615.306