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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]
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).
141 Personnel 142 Workplace safety and health 143 Design and equipment 144 Lifesaving appliances 145 Fire-fighting equipment 146 Operations 147 Safety zones Index to Subchapter N 148 Deepwater ports: General 149 Deepwater ports: Design, construction, and equipment 150 Deepwater ports: Operations Index to Subchapter NN 151
17 mg/kg (dry wt) and 17 kg/hectare cumulative loading for sludge applied on agricultural, forest and publicly accessible lands (40 CFR 503, Table 2 of §503.13) 17 mg/kg (dry wt) and .85 kg/hectare annual loading rate for sludge sold or distributed for application to a lawn or home garden (40 CFR 503, Table 3 of §503.13)
40 CFR 50.18: Secondary 15 μg/m 3: annual Annual mean, averaged over 3 years 40 CFR 50.7: Primary and Secondary 35 μg/m 3: 24-hour 98th percentile, averaged over 3 years 40 CFR 50.18: Carbon monoxide (CO) Primary 35 ppm (40 mg/m 3) 1-hour Not to be exceeded more than once per year 40 CFR 50.8: Primary 9 ppm (10 mg/m 3) 8-hour
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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.