The state may need new initiatives for reducing levels of small-particulate pollution, the culprit associated with Utah's wintertime inversion troubles. The U.S. Environmental Protection Agency is proposing to reclassify three Wasatch Front counties — Salt Lake, Utah and Cache — as "serious" nonattainment areas, requiring stepped-up measures for cutting particulate emissions.
If the EPA proposal, which is up for public comment through Jan. 17, is approved, Utah will have to submit to federal authorities a new plan for limiting pollution before the end of the year.
While the federal Clean Air Act mandates Utah's compliance — with threat of penalties for noncompliance — staving off sanctions isn't the sole factor elevating clean air on the state's priority list, according to Alan Matheson, executive director of the Utah Department of Environmental Quality (DEQ).
"The priority is making sure that we continue to reduce our emissions, and ensure that we've got air that's supporting our health, economy and quality of life," Matheson said. "We all know people who struggle when the air is poor, and addressing that challenge is far more motivation than legal penalties."
Bryce Bird, director of the DEQ's Division of Air Quality, said the new air-quality plan — called the state implementation plan — is underway. So far, he said, officials have improved the air-quality computer models that help show how new regulations might affect Utah's air.
"We actually upgraded our whole modeling system," Bird said. "We're very confident that the model is better than what we had before."
Those models indicate that Utah County and Cache County are set to meet federal air-quality standards by 2019, assuming that emissions in those areas continue their downward trends.
But Bird said Salt Lake City will likely need additional emissions rules in order to meet the next EPA deadline. And it's not yet clear, he said, what those new regulations might look like.
State officials intend to study nonattainment areas across the country for strategies that might work here, he said, and then present the ideas for public input.
One possibility: requirements or incentives for Utah workplaces to reduce their workers' commuting trips.
Such programs would call on large employers to help their employees get to work without being the only occupants in their vehicles during winter inversions, the Wasatch Front weather patterns that make Utah especially prone to accumulating unhealthy concentrations of particulate pollution.
Employers, Bird said, might consider organizing car pools, offering incentives for use of public transportation or allowing workers to telecommute.
"To be effective," he said, "it would need enforcement or reporting, too. And that's something we'd be discussing — how to quantify benefits and make [employer-based trip reduction] a permanent part of how we do business."
Bird's division hosted a symposium on employer-based trip reduction on Wednesday in hopes of kicking off the conversation.
Matt Pacenza, executive director of the environmental advocacy group HEAL Utah, said his organization plans to push for better enforcement of existing state air-quality rules this year.
For example, Pacenza said, Utah residents who live in the Wasatch Front nonattainment areas are already barred from burning solid fuels such as wood when the weather forecast calls for "mandatory action."
But, he said, the state doesn't have the resources to enforce that ban, and penalties are rarely applied. Likewise, the state has put in place a myriad of rules on emissions from businesses such as restaurants, dry cleaners and auto body shops.
But again, he said, actual enforcement is sparse.
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