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Annual average concentrations hover between 1–6 ppb. Currently all ACQR's are in attainment for SO 2. [17] Nitrogen oxides (NO x): The EPA first set primary and secondary standards for the oxides of nitrogen in 1971. Among these are nitric oxide (NO), nitrous oxide (N 2 O), and nitrogen dioxide (NO 2), all of which are
The EPA finalized a supplemental rulemaking to require five states - Iowa, Michigan, Missouri, Oklahoma, and Wisconsin - to make summertime NO x reductions under the CSAPR ozone season control program. [1] February 7, 2012: The EPA issued a minor adjustment to the rule. [1] June 5, 2012: The EPA issued another minor adjustment to the rule. [1 ...
1970 – Reorganization Plan No. 3 created the Environmental Protection Agency (EPA) by Presidential Executive Order 1970 – Clean Air Act (Extension) . Major rewrite of CAA, setting National Ambient Air Quality Standards (NAAQS), New Source Performance Standards (NSPS) Hazardous Air Pollutant standards, and auto emissions tailpipe standards.
The EPA has a number of advisory groups and decision-making committees: EPA Board; The EPA's Board is appointed by The Minister for the Environment and must have at least one member with experience relating to the Treaty of Waitangi and tikanga Māori (Māori customary values and practices). The EPA Board is chaired by Julie Hardaker.
The United States Environmental Protection Agency (EPA) began regulating greenhouse gases (GHGs) under the Clean Air Act ("CAA" or "Act") from mobile and stationary sources of air pollution for the first time on January 2, 2011. Standards for mobile sources have been established pursuant to Section 202 of the CAA, and GHGs from stationary ...
Andrew R. Wheeler (born December 23, 1964 [citation needed]) is an American attorney who served as the 15th administrator of the United States Environmental Protection Agency (EPA) from 2019 to 2021. [1] He served as the deputy administrator from April to July 2018, [2] and served as
The EPA issued rules in 2015 to regulate active and new ponds at operating facilities, seven years after a disaster in Kingston, Tennessee, that flooded two rivers with toxic waste and destroyed ...
The National Ambient Air Quality Standards (NAAQS) govern how much ground-level ozone (O 3), carbon monoxide (CO), particulate matter (PM 10, PM 2.5), lead (Pb), sulfur dioxide (SO 2), and nitrogen dioxide (NO 2) are allowed in the outdoor air. [6] The NAAQS set the acceptable levels of certain air pollutants in the ambient air in the United ...