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Health Hazardous Materials Division

Our mission is to protect public health and the environment throughout Los Angeles County from accidental releases and improper handling, storage, transportation, and disposal of hazardous materials and wastes through coordinated efforts of inspections, enforcement, site mitigation oversight, and emergency response.

Hazardous Materials Business Plan CERS Annual Submittal for 2024 is due by March 15, 2024

The Los Angeles County Fire Department, Health Hazardous Materials Division is reminding all businesses which store or handle reportable quantities of hazardous materials regulated under the Unified Program are required by law to submit their business information electronically using CERS by March 15, 2024.  Any submittal made starting December 1, 2023, will fulfill the 2024 Hazardous Materials Business Plan (HMBP) reporting requirements.

The Los Angeles County Code of Ordinance, Section 12.64.030 requires all hazardous materials handlers operating under the jurisdiction of Los Angeles County to electronically submit an updated HMBP and/or a certification statement including hazardous materials inventory, site map, contingency plan and the employee training plan information via the California Environmental Reporting System (CERS) Annually.

In person assistance for CERS is available Monday – Friday, from 9:00 am – 1:00 pm (excluding holidays).  For an appointment outside these hours, please contact Data Ops via e-mail: or (Para asistencia en Espanol).

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