California Attorney General Issues Enforcement Advisory Reminding Businesses Not to Sell Polystyrene Foam in California 

Nearly one year after California’s ban on polystyrene foam took effect under Senate Bill 54, illegal products are still widely available across the state. On December 2, 2025, California Attorney General Rob Bonta issued an enforcement advisory to producers of polystyrene foam food service ware, warning them that continued sales, distribution, or importation of these products in or into California violates state law.