Pollution drifting across the Pacific Ocean is to blame for air quality problems in the Salt Lake City region, say officials in Utah, where the air has deteriorated enough that the metro areasoon could have to meet more stringent requirements under the Clean Air Act.The state is calling upon a seldom-used Clean Air Act provision to avoid the stricter National Ambient Air Quality Standards designation for ozone—a long-shot bid that reveals gaps in thecomplicated quest to enforce protective ozone rules in western regions.
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