US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 611 — PRIMARY DRINKING WATER STANDARDSSubpart O611.64735 Ill. Adm. Code 611.647Sampling for Phase I Volatile Organic Contaminants (Repealed)Last amended: 1995Year: 2026Length: 12 wordsOfficial source Section 611 Section 611.647 Sampling for Phase I Volatile Organic Contaminants (Repealed)Previous35 Ill. Adm. Code 611.645Next35 Ill. Adm. Code 611.650