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  2. National Ambient Air Quality Standards - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    NO 2 is the oxide measured and used as the indicator for the entire NO x family as it is of the most concern due to its quick formation and contribution to the formation of harmful ground level ozone. [18] In 1971 the primary and secondary NAAQS for NO 2 were both set at an annual average of 0.053 ppm. The EPA reviewed this NAAQS in 1985 and ...

  3. Title 40 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_40_of_the_Code_of...

    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).

  4. New Source Performance Standards - Wikipedia

    en.wikipedia.org/wiki/New_Source_Performance...

    New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards, and in the Clean Water Act (CWA) referring to standards for water pollution discharges of industrial wastewater to surface waters.

  5. EPA designates 2 forever chemicals as hazardous ... - AOL

    www.aol.com/news/epa-designates-2-forever...

    The final rule issued Friday follows strict limits set by the EPA on certain PFAS in drinking water that will require utilities to reduce them to the lowest level they can be reliably measured ...

  6. Long Term 2 Enhanced Surface Water Treatment Rule - Wikipedia

    en.wikipedia.org/wiki/Long_Term_2_Enhanced...

    EPA began drafting the LT2 rule following the 1993 Milwaukee Cryptosporidiosis outbreak, in which it is believed that municipal sewage infected with cryptosporidium was accidentally discharged into the city of Milwaukee, Wisconsin's drinking water. [2]

  7. US Republican attorneys general sue to stop EPA's carbon rule

    www.aol.com/news/republican-attorneys-general...

    (Reuters) -Republican attorneys general from 27 U.S. states and industry trade groups sued the Environmental Protection Agency on Thursday, seeking to block a landmark rule requiring sweeping ...

  8. Environmental policy of the first Donald Trump administration

    en.wikipedia.org/wiki/Environmental_policy_of...

    The administration repealed the Clean Water Rule and rewrote the EPA's pollution-control policies—including policies on chemicals known to be serious health risks—particularly benefiting the chemicals industry, [16] [17] A 2018 analysis reported that the Trump administration's rollbacks and proposed reversals of environmental rules would ...

  9. New EPA rules subject Georgia Power to severe emissions ... - AOL

    www.aol.com/epa-rules-subject-georgia-power...

    In justifying the rule changes, the EPA argued that technology to capture and store carbon is an “available and cost-effective" option for power plants that will allow just 10% of heat-trapping ...