Health Haz Mat Division Logo.

Emergency Operations

The Health Hazardous Materials Division (HHMD) provides 24-hour emergency services in response to hazardous materials spills or releases and abandonment that occur in areas of HHMD Certified Unified Program Agency (CUPA) jurisdiction and in the cities of Los Angeles and Santa Monica. As deputy health officers, these emergency responders perform multiple job duties at emergency incidents which include: hazard categorization (Haz-Cat), technical advising, entry team participation, and evacuation and re-occupancy determination.

Contaminated Water surrounded by grass 3.

Spills, Unauthorized Releases, and Emergency Incidents Involving Hazardous Materials and Waste

Any spill or unauthorized release of a hazardous material or hazardous waste that poses a threat to life, health (workers, residential, schools, etc.), property or the environment must be reported to the following agencies:

Local Emergency Response Agency:  9-1-1

Los Angeles County Fire Department Health Hazardous Materials Division:  (323) 890-4317 (business hours) / (323) 881-2455 (after hours)

California Office of Emergency Services, California State Warning Center:  (800) 852-7550

National Response Center, (if the release exceeds federal reportable quantities):  (800) 424-8802

Emergency Guidance Documents

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