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US law
Illinois
Regulations
Title 35 — ENVIRONMENTAL PROTECTION
CHAPTER I: POLLUTION CONTROL BOARD
Part 620 — GROUNDWATER QUALITY
Subpart D
Illinois · Regulations
Subpart D
4 sections
4 sections
35 Ill. Adm. Code 620.401
Applicability
35 Ill. Adm. Code 620.405
General Prohibitions Against Violations of Groundwater Quality Standards
35 Ill. Adm. Code 620.440
Groundwater Quality Standards for Class IV: Other Groundwater
35 Ill. Adm. Code 620.450
Alternative Groundwater Quality Standards
Subpart D | Illinois Regulations | Justis AI