US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 611 — PRIMARY DRINKING WATER STANDARDSSubpart P611.68735 Ill. Adm. Code 611.687Sampling for Maximum THM Potential (Repealed)Last amended: 2004Year: 2026Length: 10 wordsOfficial source Section 611 Section 611.687 Sampling for Maximum THM Potential (Repealed)Previous35 Ill. Adm. Code 611.686Next35 Ill. Adm. Code 611.688