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After Garden Grove incident, committee advances bill to tighten oversight of reactive chemical storage
Summary
SB 883, prompted by a near-explosion at a Garden Grove plant, would restrict new reactive chemical storage near homes and require backup cooling systems, a statewide registry and emergency-response clarifications. The committee moved the bill as amended toward Appropriations after mixed testimony.
SB 883 was presented as a direct response to a recent incident at a Garden Grove manufacturing facility where an overheating methyl methacrylate (MMA) tank prompted large-scale evacuations. The author, Senator Umberg, said the bill would prohibit new facilities storing certain reactive chemicals in residential areas without specified conditions, require backup cooling systems, and direct the Office of Emergency Services to maintain a statewide list of facilities holding chemicals capable of thermal runaway reactions.
Dr. Mai Nguyen Do (Harbor Institute for Immigrants and Economic Justice) described the Garden Grove event and said roughly 50,000 people were evacuated during the incident; she urged the committee to pass SB 883 to prevent similar harms. Asha Sharma of Sierra Club California said the bill provides "common sense" protections such as safe distances and public hearings and urged a yes vote.
Industry witnesses including the American Chemistry Council and trade groups said they share the aim of preventing accidents but requested more time to refine definitions and implementation pathways. The author and sponsors said they are working on a definition list and confirmed MMA is intended to be covered.
The committee discussed scope and definitions, recommended continued work with stakeholders, and moved SB 883 as amended toward Appropriations (the record shows the committee placed it on call or passed it as amended). The committee recommended revisions and pledged further conversations as the bill moves forward.
Next steps: SB 883 will be reviewed in Appropriations with additional opportunities for technical refinement of definitions, emergency-response roles and exemptions.
