CFR > Title 40 > Chapter I > Subchapter D > Part 141 > Subpart B CFR > Title 40 > Chapter I > Subchapter D > Part 141 > Subpart B – Maximum Contaminant Levels Current as of: 2024 | Check for updates | Other versions § 141.11 Maximum contaminant levels for inorganic chemicals § 141.13 Maximum contaminant levels for turbidity