This bill is important because it directly impacts how some of the most dangerous air pollutants are regulated for certain industrial facilities across the country. If this bill passes, it means that large polluters who reduce their hazardous air emissions could continue to qualify for less strict environmental regulations. This could incentivize some companies to invest in pollution reduction technology to achieve reclassification, but it also raises concerns about potential reductions in overall environmental protection once facilities move to a less regulated category.

If the bill does not pass, then the EPA's September 2024 rule would take effect. This would likely mean more industrial facilities would remain under the stricter "major source" rules for hazardous air pollutants. This could lead to higher overall pollution control efforts and costs for industry, but also potentially greater protection for air quality and public health by maintaining more stringent oversight for these facilities.