Utah October 2018 kennecott.com/air-quality

Kennecott and Utah’s air quality A closer look at winter inversion

Wasatch Front Utah continues to have wintertime air quality problems During the winter, Kennecott shuts down its power despite decades of air quality regulations on companies plant reducing the amount of fine particulate emissions like Rio Tinto’s Kennecott Utah Copper. Utah meets the to 3.8 percent of a typical winter day. Additionally,

EPA’s annual standard for fine particulate emissions (PM2.5) Kennecott has been actively working to decrease throughout the year. However, the state struggles to meet emissions from the other sources that contribute to the 24-hour standard during the winter inversion season, inversions, such as transportation and area sources. on average about 20-days per year. Though it will take the entire community working According to the Utah Division of Air Quality, Kennecott together to be successful, Kennecott is committed is responsible for 4.4 percent of the annual fine particulate to doing its part. emissions in the Salt Lake air shed. Kennecott’s impact on the valley’s air, especially during an inversion is To learn more, take a closer look at even less. kennecott.com/air-quality.

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Cu October 2018 kennecott.com/air-quality Kennecott Utah Copper

Kennecott’s contribution to Utah’s air quality

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