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...

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...

The D.C. Circuit granted in part and denied in part an environmental group's petition to review EPA's 2017 Inventory Rule that imposed new reporting requirements under TSCA for chemical manufacturers and processors. The group argued that the rule failed to require companies to substantiate that a ch...

Pennsylvania's highest court largely upheld a temporary injunction enjoining the state environmental agency from enforcing certain regulations governing unconventional oil and gas operations. The court reversed the lower court's issuance of the injunction on just two issues. Contrary to the ruling o...

The Second Circuit affirmed a lower court decision that CERCLA preempts state tort law claims brought by residents living near the Onondaga Lake Superfund site. The owner of the site undertook remedial action pursuant to a federal consent decree. The residents argued, on a state tort law theory, tha...