Tag: EPA

EPA Proposes Significantly Stronger MATS Standards for Coal-Fired Power Plants

In April 2023, the EPA announced a proposed rule to strengthen and update the Mercury and Air Toxics Standards (MATS) for coal-fired power plants, achieving important hazardous air pollutant emissions reductions and ensuring standards reflect the latest advancements in pollution control technologies. If passed, the rule represents the most significant update to date since the […]

California Receives EPA Waivers on Heavy-Duty Vehicles and Emissions Standards

The EPA issued a decision on March 31, 2023, granting two requests for waivers of preemption regarding four California Air Resources Board (CARB) regulations related to California’s heavy-duty vehicle and engine emissions standards. California has significant air quality standard challenges. In order to reduce emissions, the state must seek waivers from the EPA for new […]

D.C. Circuit Upholds CSAPR Update Rule

In March 2023, an industry challenge to the EPA’s April 2021 Revised Cross-State Air Pollution Rule (CSAPR) Update Rule was rejected by the D.C. Circuit Court of Appeals. The rule required “power plants in 12 upwind states to reduce nitrogen oxide (NOx), an ozone precursor, emissions such that those states did not inhibit downwind states’ […]

EPA Calls for Improved Public Water Systems Cybersecurity

Due to a reported increase in cybersecurity attacks, the EPA issued a memorandum on March 3, 2023, advising public water systems (PWSs) of various approaches to protect themselves from these types of attacks. The memo stresses the need for states to assess cybersecurity risk at drinking water systems to protect public drinking water. “While some […]

Conserve with the EPA’s WaterSense Program

Common household water leaks waste an average of 1 trillion gallons (gal) of water each year, says Beth Livingston, EPA WaterSense lead environmental specialist, according to the Federal News Network. While most people have heard of the EPA Energy Star program, its WaterSense program is not as well known. The program is a voluntary partnership […]

EPA Releases 2021 TRI Analysis

The EPA released its 2021 Toxics Release Inventory (TRI) National Analysis on March 16, 2023. The analysis data reveals that environmental releases of TRI chemicals from facilities covered by the program remained below pre-pandemic levels, and releases in 2021 are 10% lower than 2012 releases, even with an 8% increase from 2020 to 2021. Additionally, […]

EPA Proposes Stronger Wastewater Discharge Standards for Coal-Fired Power Plants

In March 2023, the EPA proposed strengthening wastewater discharge standards that apply to coal-fired power plants. The proposed rule would establish more stringent discharge standards for three wastewaters generated at coal-fired power plants: Flue gas desulfurization wastewater Bottom ash transport water Combustion residual leachate The proposed rule also addresses wastewater produced by coal-fired power plants […]

Back to Basics: PFAS

Back to Basics is a weekly feature that highlights important but possibly overlooked information that any EHS professional should know. This week, we examine per- and polyfluoroalkyl substances and actions to take to reduce the risks associated with PFAS. The U.S. Environmental Protection Agency (EPA) is taking several steps to address per- and polyfluoroalkyl substances […]

National Drinking Water Standard for PFAS

On March 14, 2023, the Biden-Harris administration announced its proposal for a first-ever National Primary Drinking Water Regulation (NPDWR) for six per- and polyfluoroalkyl substances (PFAS). The legally proposed enforceable limits are 4 parts per trillion (ppt) for perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA). If finalized as proposed, public water systems (PWSs) have 3 […]

California GHG Emissions Regulations Waiver Under Fire

Four petitions for review were filed in the D.C. Circuit Court of Appeals challenging the EPA’s reinstatement of the waiver that allows the State of California to regulate greenhouse gas (GHG) emissions from motor vehicles. The case presents significant questions regarding state and federal sovereignty, and any decisions reached in the matter have the potential […]