The cities of Duarte, Azusa, Irwindale and Baldwin Park are opposing federal plans to use Lario Park as a site for processing hazardous debris from the Eaton Fire.

Four cities are formally opposing the United States Environmental Protection Agency’s (EPA) intentions of designating a Los Angeles County park to collect and process hazardous household debris from the Eaton Fire without first notifying its residents.

San Gabriel Valley officials oppose the EPA's plans to use Lario Park as a hazardous waste site post-Eaton Fire.

The plan to open a site to process Eaton fire debris near foothill communities has prompted swift backlash from San Gabriel Valley residents and leaders.

On Tuesday, hazmat crews with the U.S. Environmental Protection Agency will sift through all the burned properties, removing hazardous materials in the Palisades Fire zones and Eaton Fire zones.