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Maryland v. Environmental Protection Agency

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 the states' nonattainment of ozone NAAQS. Maryland's petition ar...

Gutierrez v. Johnson & Johnson Consumer, Inc.

A district court dismissed with leave to amend a class-action challenge to a medical device company for selling talcum products in California. Plaintiffs argued the company violated California consumer protection laws by failing to warn them of carcinogenic ingredients in their products and engaging...

Natural Resources Defense Council, Inc.

The Ninth Circuit ordered EPA to respond to a petition requesting that the Agency end the use of the pesticide tetrachlorvinphos (TCVP) in household pet products. An environmental group submitted an administrative petition to cancel the registration of TCVP in 2009, following a peer-reviewed study t...

Louisiana Environmental Action Network v. Environmental Protection Agency

The D.C. Circuit granted a petition to review EPA's 2017 rule revising its emission standard for hazardous air pollutants (HAPs) emitted from pulp mill combustion sources. Environmental groups argued that EPA was required under §112(d)(6) of the CAA to consider the adequacy of the standard to contr...

Sierra Club v. Wheeler

The D.C. Circuit affirmed dismissal of an environmental group's request to compel EPA to produce guidelines for commercial or industrial solid waste incinerators (CISWI) and other categories of solid waste incinerators (OSWI). The group argued that the Agency failed to comply with nondiscretionary d...

Natural Resources Defense Council v. Wheeler

The D.C. Circuit vacated a 2018 EPA rule that instituted a complete vacatur of its 2015 rule blocking the use of hydrofluorocarbons as replacements for ozone-depleting substances. An environmental group argued the 2018 rule was invalid because it was a legislative rule and was thus improperly promul...

Sierra Club v. Environmental Protection Agency

The D.C. Circuit dismissed a petition to review EPA's Guidance on Significant Impact Levels (SILs) for Ozone and Fine Particles in the Prevention of Significant Deterioration Permitting Program, which sets numerical SILs that can be used by companies applying for PSD permits. An environmental group ...

Wheelabrator Baltimore, L.P. v. Mayor and City Council of Baltimore

A district court granted two Baltimore solid waste incineration facilities' partial motion for summary judgment in a challenge to the Baltimore Clean Air Act (BCAA). The facilities argued the BCAA was "conflict preempted" by Maryland law because it prohibited solid waste incinerators from operating ...

CITGO Asphalt Refining Co. v. Frescati

The U.S. Supreme Court upheld an appellate court ruling that an oil refining company was responsible for $140 million in damages from a 2004 oil spill in the Delaware River. The owner of the vessel involved in the spill argued that the company it chartered to deliver crude oil from Venezuela to the ...