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The SDWA authorized the EPA to promulgate regulations regarding water supply. The major regulations are in Title 40 of the Code of Federal Regulations: 40 CFR Parts 141, 142, and 143. Parts 141, 142, and 143 regulate primary contaminants, implementation by states, and secondary contaminants. Primary contaminants are those with health impacts.
Title 40 is a part of the United States Code of Federal Regulations. Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code). Parts of the regulation may be updated annually on July 1. [1]
The Safe Drinking Water Act (SDWA) is the primary federal law in the United States intended to ensure safe drinking water for the public. [3] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the standards.
Maximum contaminant level = 0.002 mg/L (40 CFR 141.62) Maximum contaminant level for mercury established under the Safe Drinking Water Act; Groundwater: 2 μg/L; Bottled Water: 0.002 mg/L (21 CFR 103.35) Water-level of detect 0.2 μg/L (200 ng/L) = recommended method; EPA-approved method to detect Hg in water.
Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [1] [2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).
A few volumes of the CFR at a law library (titles 12–26) In the law of the United States, the Code of Federal Regulations (CFR) is the codification of the general and permanent regulations promulgated by the executive departments and agencies of the federal government of the United States. The CFR is divided into 50 titles that represent ...
Title 40 - Public Buildings, Properties, and Works; Title 41 - Public Contracts; Title 42 - The Public Health and Welfare; Title 43 - Public Lands; Title 44 - Public Printing and Documents; Title 45 - Railroads; Title 46 - Shipping; Title 47 - Telecommunications; Title 48 - Territories and Insular Possessions; Title 49 - Transportation
Title 41 of the Code of Federal Regulations ("CFR"), titled Public Contracts and Property Management, is the portion of the CFR that governs federal government public contracts within the United States. It is available in digital or printed form. Title 41 comprises four volumes, and is divided into six Subtitles.