The Environmental Protection Agency (EPA) is approving changes to Colorado's State Implementation Plan (SIP) concerning air quality control, specifically targeting ozone levels in certain areas. This involves updates to Regulation Number 7 for better management of emissions like volatile organic compounds (VOCs) and nitrogen oxides (NOx) following the 2008 ozone standards. The action also corrects an oversight from a 2018 rule. This decision is made under the Clean Air Act and does not impose any extra requirements beyond those set by state law.
Simple Explanation
The EPA is helping Colorado clean up its air by changing some rules to reduce certain gases that make the air dirty, so people can breathe better. They are also fixing an old mistake in the rules to make sure everything is right.