A district court denied EPA's motion to dismiss a challenge to its denial of a petition to revise reporting requirements for asbestos under the Chemical Data Reporting Rule. Health and environmental groups challenged EPA's denial of their petition under TSCA and the APA, arguing that the petition wa...

A district court upheld the U.S. Army Corps of Engineers' approval of a permit for an already-constructed 17-mile transmission line after the D.C. Circuit found that the Corps had failed to prepare an EIS for the line in violation of NEPA. The court found that vacatur was not appropriate because rev...

A district court enjoined the expansion of an underground coal mine into a roadless area in the Gunnison National Forest. Environmental groups argued that OSM's approval of the expansion violated NEPA by failing to consider methane flaring as an alternative. The court found that OSM was required to ...

The Ninth Circuit dismissed in part, granted in part, and denied in part petitions to review EPA's 2017 Risk Evaluation Rule, which established a process for evaluating the risks of chemical substances. Environmental and health groups argued the rule violated TSCA's requirement that EPA evaluate ris...