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ozone NAAQS

Sierra Club v. Environmental Protection Agency

ELR Case

The D.C. Circuit vacated three provisions of EPA's 2018 rule implementing NAAQS for ozone. Environmental groups challenged four provisions of the rule: the interprecursor trading program, a provision allowing states to demonstrate...

Sierra Club v. United States Environmental Protection Agency

ELR Case

The Third Circuit granted a petition to review EPA's approval of Pennsylvania's proposed NAAQS for ozone. An environmental group argued the standards wrongly claimed to reduce pollution output at the state's most advanced coal-burning...

85 FR 49830

ELR Federal Agency Update

85 FR 42803

ELR Federal Agency Update

85 FR 36748

ELR Federal Agency Update

85 FR 31182

ELR Federal Agency Update

Maryland v. Environmental Protection Agency

ELR Case

The D.C. Circuit granted in part and denied in part Delaware's and Maryland's challenges to EPA's denial of their CAA §126(b) petitions requesting that the Agency impose additional limitations on certain upwind sources contributing to...

85 FR 21849

ELR Federal Agency Update

85 FR 8411

ELR Federal Agency Update

84 FR 65063

ELR Federal Agency Update
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