A district court held that residents of the West Calumet Housing Complex in East Chicago cannot intervene in a CERCLA settlement agreement after the agreement was approved. In 2016, residents of the housing complex were told to evacuate the complex because of severe contamination from the USS Lead S...

A district court dismissed CERCLA claims against a construction company because there was no evidence that its actions contributed to soil contamination near the site. A contractor purchased topsoil from a company that is adjacent to a road where the construction company installed a water main three...

A district court held that a government contractor may be liable under CERCLA in connection with the Gold King mine spill in Colorado. In 2016, the contractor caused a breach that released more than 3 million gallons of acid mine drainage and 880,000 pounds of heavy metals into the Animas River wate...

The D.C. Circuit held that EPA unlawfully revoked the 1997 ozone NAAQS when it implemented the 2008 standard. In 2008, EPA set the ozone NAAQS at 75 parts per billion (ppb). In 2015, when implementing the standard, the Agency eliminated the 1997 standard of 84 ppb on the grounds that it was impossib...