CA SB404

Establishes a new permitting system for metal shredding facilities administered by the Department of Toxic Substances Control (DTSC), requiring existing facilities to apply for permits within 6 months of submitting a notice of intent, with DTSC required to issue final permit decisions within 3 years

Requires metal shredding facilities to implement fire prevention plans with continuous temperature monitoring of stockpiles, limits individual feedstock piles to 24-hour processing capacity and aggregate piles to 48-hour capacity, and mandates 24-hour onsite surveillance

Classifies metal shredder aggregate as an in-process material (not hazardous waste) when managed according to chapter requirements, but requires untreated metal shredder residue meeting non-RCRA hazardous waste criteria to be chemically treated with silicate solution and cement before disposal

Imposes annual fees on metal shredding facilities to fund DTSC oversight, requires applicants to reimburse DTSC for permit processing costs, and establishes a new Metal Shredding Facility Subaccount in the Hazardous Waste Control Account

Mandates preliminary endangerment assessments within one year, annual compliance inspections by DTSC, public meetings before permit decisions, and financial assurance for closure costs and third-party liability of at least $1 million per occurrence