Officials at PRSI have previously said that they are working with agencies to make sure the plant complies with environmental regulations.

Environmental groups today filed a federal lawsuit against an oil refinery in Pasadena, Texas, alleging it has repeatedly violated federal air pollution limits over the past five years. 

The Pasadena Refining System (PRSI) is owned by Brazil’s state-controlled oil company Petrobras. The Sierra Club and Environment Texas allege the facility has violated the federal Clean Air Act “thousands” of times, releasing sulfur dioxide and nitrogen oxide emissions in levels that violate hourly and yearly limits. 

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