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California State Department of Toxic Substances Control


California State Department of Toxic Substances Control


Enforces California's hazardous waste control laws Responsible for enforcing California's hazardous waste control laws. Oversees cleanups at hazardous substances release sites. Permits hazardous waste treatment, storage and disposal facilities, and ensures that those facilities comply with permits. Authorizes and monitors activities related to transportation of hazardous waste. Investigates complaints about improper handling or illegal disposal of hazardous waste. Develops and promotes pollution prevention programs, including Green Chemistry.


Public Transit:

AC Transit stops within 2 blocks.
700 Heinz Avenue, Suite 200, Berkeley, CA 94710-2721 37.852647 -122.2954113 Government

Service Options

Languages Spoken:

  • Cantonese
  • Mandarin
  • Spanish
  • Tagalog

Accessibility Options:

  • Disabled Parking
  • Disabled Restroom
  • Elevator
  • Wheelchair



Vary according to activity.


Hazardous waste generators, particularly small business; hazardous waste treatment, storage and disposal facilities. Individuals and entities involved in hazardous substance site clean ups. Those interested in Green Chemistry and other emerging environmental issues



How to Apply:

Call for information.

Service Wait Estimate:

10-day advance notice requested for file room review.

Service Areas:

  • Alameda County
  • Contra Costa County
  • Marin County
  • Northern California
  • San Francisco County
  • San Mateo County
  • Santa Clara County