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Lawsuit Challenges EPA's Failure to Update Sulfur, Nitrogen Pollution Standards


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Lawsuit Challenges EPA's Failure to Update Sulfur, Nitrogen Pollution Standards

OAKLAND, Calif. - Conservation and public-health groups filed a legal challenge today to the Environmental Protection Agency’s failure to update air-pollution thresholds for sulfur and nitrogen. Standards for the dangerous air pollutants known as sulfur oxides and nitrogen oxides must be reviewed and updated every five years to take into account new scientific research on the threats they pose to public health and the environment.

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