PPG Says DEP Order Trumps Allegheny River Pollution Suit

Law360, New York (March 4, 2013, 4:52 PM EST) -- Industrial glass and chemicals supplier PPG Industries Inc. accused environmental groups Thursday of "inappropriately" attempting to circumvent the authority of the Pennsylvania Department of Environmental Protection by launching a suit accusing the company of illegally discharging arsenic, lead, mercury and other pollutants into the Allegheny River.

PPG argued in its motion to dismiss that it has been working with the DEP to investigate, identify and respond to potential pollution at the site at issue for more than 40 years. The company said it is already under...
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