particulate matter
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EnvironmentalEPA Retains Soot Standards; Drastic PM Reductions Already Achieved, Industry Says
In a significant but controversial final action, the Environmental Protection Agency (EPA) on Dec. 7 retained its existing National Ambient Air Quality Standards (NAAQS) for both fine and coarse particulate matter (PM2.5 and PM10). While the EPA said the decision came “after careful review and consideration of the most recent available scientific evidence and technical […]
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NewsEPA to Withdraw Federal Regional Haze Plan for Utah Based on New Analysis
Citing new technical information gleaned from a more modern modeling analysis, the Environmental Protection Agency (EPA) has proposed to withdraw a federal implementation plan (FIP) to control regional haze from four PacifiCorp coal-fired units in Utah and allow the state to revert to conditions set out in a 2015-submitted state implementation plan (SIP). The agency’s […]
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Legal & RegulatoryIEA: World’s Power Sector Trails Others in Air Emissions
The world’s power sector last year emitted a third of global sulfur dioxide (SO2) emissions, 14% of nitrogen oxides (NOx), and 5% of total particulate emissions (PM2.5), but those emission values have fallen drastically over the last decade even though coal power generation has seen a surge, the International Energy Agency (IEA) said in a […]