Assembly backs SB 58 to create statewide hydrogen sulfide monitoring and response framework

Assemblymember Alvarez presented SB 58 as a response to recurring hydrogen sulfide releases that have affected communities along the Tijuana River Valley and other areas.

"This bill is about hydrogen sulfide, which is a colorless, highly toxic gas with a strong odor detectable at very low concentration... SB 58 addresses this gap by requiring CARB, in consultation with our local air districts, public health agencies, water boards, emergency response officials, tribal governments, academic partners, and community-based organizations to develop statewide guidelines and a response framework for hydrogen sulfide," Assemblymember Alvarez said on the floor.

Supporters stressed public health harms from fugitive emissions and urged a coordinated, interagency response. Assemblymember DeMaio and others described long-standing local frustration with federal and state inaction and framed the bill as a tool to spur agencies to act.

The Assembly recorded an aye vote and the measure passed; supporters described the bill as providing a needed procedural and technical framework to improve emergency response and monitoring in affected areas.

Assemblymembers repeatedly framed the bill as part of a bipartisan package to address an environmental and public-health crisis in border communities and inland hotspots.