CFR›Title 40›Chapter I›Part 141›Subpart B ContainsSections 141.11–141.13CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart B—Maximum Contaminant Levels Sections 141.11 § 141.11 Maximum contaminant levels for inorganic chemicals. 141.12 § 141.12 [Reserved] 141.13 § 141.13 Maximum contaminant levels for turbidity. Previous A Subpart A—General Next C Subpart C—Monitoring and Analytical Requirements