News & Analysis as of

USEPA Air Pollution

Snell & Wilmer

USEPA Proposes New Particulate Matter Air Quality Standard

Snell & Wilmer on

The U.S. Environmental Protection Agency (USEPA) announced on January 6, 2023, that it is proposing to modify the National Ambient Air Quality Standard (NAAQS) for Fine Particulate Matter (PM2.5). The current annual primary...more

Snell & Wilmer

Environmental Justice: A Focus in Air Toxics Data Reporting

Snell & Wilmer on

We all have been waiting to see what new course or approach will be taken by the U.S. Environmental Protection Agency (“USEPA”) in regard to environmental justice. Rather than a major new program or enforcement initiative,...more

Snell & Wilmer

Breaking News of a Particulate Matter Regarding Air Quality

Snell & Wilmer on

The U.S. Environmental Protection Agency (“USEPA”) announced yesterday that it is proposing to retain the current National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter (“PM2.5?) and course particulate...more

McNees Wallace & Nurick LLC

USEPA Withdraws “Once In Always In” VOC Air Quality Policy

On January 25, 2018, the U.S. Environmental Protection Agency (“USEPA”) issued guidance withdrawing the “once in always in” policy for the classification of major sources of hazardous air pollutants (“HAPs”) under section 112...more

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