Abstract

Federal data show that last year, 10 US refineries exceeded the Environmental Protection Agency’s action level for benzene, an advocacy group announced in early February. The action level is the concentration at which refineries must cut emissions of carcinogenic benzene. The refineries—six in Texas and one each in Louisiana, New Mexico, Mississippi, and Pennsylvania—all surpassed a yearly average of 9 µg of benzene per cubic meter of air at their perimeters. More than 30,000 people live within 1.6 km of the 10 facilities, the Environmental Integrity Project, a group that advocates for enforcement of environmental laws, says in a report that analyzes monitoring data submitted to the EPA. As part of a Clean Air Act regulation that took effect in 2018, refineries that exceed the EPA’s action threshold must determine where their benzene is coming from and act to lower concentrations at their perimeters. American Petroleum Institute spokesperson Scott Lauermann

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