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EPA Proposes Stronger Air Quality Standards for Sulfur Dioxide

For the first time in nearly 40 years, EPA is proposing to strengthen the nation’s sulfur dioxide (SO2) air quality standard to protect public health. Power plants and other industrial facilities emit SO2 directly into the air. Exposure to SO2 can aggravate asthma, cause respiratory difficulties, and result in emergency room visits and hospitalization. People [...]

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