2017 Environmental Protection Nitrogen Oxides 
Clean Energy Law
NOVEMBER 25, 2019
One of the most significant air quality challenges in the Basin is reducing emissions of the ozone precursor nitrogen oxides (NO x ) to meet the ozone standard attainment deadlines. According to the 2016 AQMP, mobile sources contributed about 88% of total NO x emissions in the Basin in 2012. Endnotes. [1] 20, 2019). [6]
PA Environment Daily
APRIL 26, 2024
The Department of Environmental Protection published notice in the April 27 PA Bulletin inviting public comments on a proposed declaration of an Exceptional Air Quality Event due to 2023 wildfires from Canada and New Jersey causing elevated levels of nitrogen oxides and volatile organic compounds impacting ozone pollution in Pennsylvania.
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Union of Concerned Scientists
SEPTEMBER 26, 2024
Based on data from the Environmental Protection Agency (EPA) on toxic air and water emissions for a large number of industrial facilities across the US, refineries are the 10 th most toxic industry , in a toxicity ranking list with over 200 grades. Refineries are among the most toxic industries in this country.
PA Environment Daily
JULY 27, 2022
The Environmental Quality Board is scheduled to meet August 9 final regulation setting a science-based manganese standard of 0.3mg/L as a Water Quality Criteria for Toxic Substances to protect public health and environment and make the point of compliance for the standard at the point of discharge into a river or stream.
PA Environment Daily
AUGUST 9, 2022
Gene Yaw (R-Lycoming) on the Board expressed several concerns about the regulation, including whether the final regulation meets the requirements of Act 40 of 2017. The Board also approved a final regulation setting RACT (Reasonably Available Control Technology Standards) for major sources of nitrogen oxides. Read more here.
PA Environment Daily
NOVEMBER 28, 2022
On November 18, the Department of Environmental Protection formally notified the Independent Regulatory Review Commission it was withdrawing the final regulation changing the water quality standard for manganese, ending the rulemaking process. For more information, visit the Environmental Quality Board webpage. Read more here.
Union of Concerned Scientists
DECEMBER 12, 2023
The Cuyahoga fire, along with a major oil spill off the coast of Santa Barbara that same year, galvanized national attention and led to the first Earth Day, a slew of new air and water protection laws, and the creation of new federal departments to administer them, including the Environmental Protection Agency (EPA).
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