The Tenth Circuit upheld the dismissal of an environmental group's CAA citizen suit against a power company alleging that it was attempting to build a coal-fired power plant with an invalid PSD permit. The permit provided that if construction did not commence by May 29, 2005, or if construction...

The D.C. Circuit denied a petition challenging a magnesium plant's inclusion on the NPL. EPA uses a hazard ranking system (HRS) to determine whether to place a site on the NPL. Petitioners argued that EPA erred in calculating the HRS score and that if these errors were corrected, the site's ...

A district court ordered EPA to promulgate emission standards for area source boilers, major source boilers, and commercial and institutional solid waste incineration units by February 21, 2011. In March 2006, the court ordered EPA to fulfill its statutory duties regarding the promulgation o...

The Second Circuit affirmed a lower court decision that the parent corporation of nine manufactured gas plants (MGPs) is not an "operator" of those plants for purposes of CERCLA liability. The current owners of the MGP sites filed suit against the parent corporation, seeking to recover costs th...

The Ninth Circuit reversed a lower court decision denying the award of attorney fees to an environmental group in their lawsuit against a town for discharging toxic pollutants into a bay in violation of the CWA. In that case, the court held that the town must apply for an NPDES permit for its harbor...

A district court held that a lumber company's CERCLA action against the former owner of the company's sawmill and plywood manufacturing plant for reimbursement of past and future cleanup costs associated with the site is not barred by contract. When the lumber company purchased the plant in 1993, th...

A district court, on motions for summary judgment, held that a property owner may go forward with its CERCLA claims against a printing company for environmental contamination stemming from the company's operations, but it dismissed the owner's RCRA claims against the company. The printing compa...

A district court modified its equitable allocation of costs under §113 of CERCLA and the New Jersey Spill Act in connection with a site contaminated with TCE and other hazardous substances. The court originally allocated 65% of costs to the plaintiffs, 32% to the defendants, and 3% to the federal g...

The Fourth Circuit upheld a lower court's fee award in favor of environmental groups in their CAA case against an energy company. Below, the groups moved for summary judgment on the basis that the company was violating the CAA by constructing a new major source of hazardous air pollution without f...

The D.C. Circuit denied a petition for review challenging EPA's decision granting California a waiver from federal preemption under the CAA that allows the state to implement its own regulations requiring automobile manufacturers to reduce fleet-average greenhouse gas emissions from new motor vehicl...