EPA agrees to deadline for ‘secondary’ NOx-SOx limits review

July 1, 2022
EPA has agreed with environmentalists to set deadlines for proposed and final rules setting “secondary” national ambient air quality standards (NAAQS) for nitrogen oxides (NOx), sulfur oxides (SOx) and particulate matter (PM), in a combined rulemaking effort that will target the pollutants’ ecological effects, rather than human health risks. In a notice scheduled for publication in the Federal Register July 5, EPA announces the proposed deal that would settle litigation brought by environmentalists to accelerate the process after EPA...

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