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  2. Maximum acceptable toxicant concentration - Wikipedia

    en.wikipedia.org/wiki/Maximum_Acceptable...

    The US EPA is the governmental organization responsible for writing and enforcing environmental regulations passed by Congress. The Clean Water Act was passed in 1972. Section 304(a)(1) of the Clean Water Act is the Water Quality Criteria (WQC) developed for the protection of aquatic life and human health. [4]

  3. Toxic Substances Control Act of 1976 - Wikipedia

    en.wikipedia.org/wiki/Toxic_Substances_Control...

    The Toxic Substances Control Act (TSCA) is a United States law, passed by the 94th United States Congress in 1976 and administered by the United States Environmental Protection Agency (EPA), that regulates chemicals not regulated by other U.S. federal statutes, [1] including chemicals already in commerce and the introduction of new chemicals.

  4. Toxicity category rating - Wikipedia

    en.wikipedia.org/wiki/Toxicity_category_rating

    In 40 CFR 156.62, the EPA established four Toxicity Categories for acute hazards of pesticide products, with "Category I" being the highest toxicity category (toxicity class). Most human hazard, precautionary statements, and human personal protective equipment statements are based upon the Toxicity Category of the pesticide product as sold or ...

  5. Maximum contaminant level - Wikipedia

    en.wikipedia.org/wiki/Maximum_Contaminant_Level

    In the last case, EPA is permitted to choose an MCL that balances the cost of treatment with the public health benefits. [4] MCLs require monitoring, remediation, and public notice when standards are exceeded. [2] As of 2019 EPA has issued 88 standards (78 MCLs and 10 Treatment Techniques) for microorganisms, chemicals and radionuclides. [5]

  6. Drinking water quality standards - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality...

    In the United States, the federal legislation controlling drinking water quality is the Safe Drinking Water Act (SDWA) which is implemented by EPA, mainly through state or territorial health agencies. [10] [11] EPA has set standards for over 90 contaminants organized into six groups: microorganisms, disinfectants, disinfection byproducts ...

  7. Fluoride in drinking water poses enough risk to merit new EPA ...

    www.aol.com/news/fluoride-drinking-water-poses...

    The World Health Organization has set a safe limit for fluoride in drinking water of 1.5. Separately, the EPA has a longstanding requirement that water systems cannot have more than 4 milligrams ...

  8. Steak has many nutrients, but here's why you should avoid ...

    www.aol.com/steak-many-nutrients-heres-why...

    Steak is also a good source of vitamin B12, "which is crucial for energy levels, brain health, and red blood cell production," says Alex Larson, a registered dietitian, endurance athlete ...

  9. Drinking water quality in the United States - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality_in...

    Drinking water quality in the United States is generally safe. In 2016, over 90 percent of the nation's community water systems were in compliance with all published U.S. Environmental Protection Agency (US EPA) standards. [1] Over 286 million Americans get their tap water from a community water system.