Asbestos and Carcinogen Unit

If you wish to file a complaint with Cal/OSHA about hazardous exposure to asbestos fibers or non-asbestiform fibers in your workplace, follow the instructions for filing a complaint with the Cal/OSHA Enforcement district office that serves your job location.

Asbestos Contractor Registration

Registration with Cal/OSHA is required for contractors and employers that remove asbestos having an asbestos fiber content of more than 0.1% and 100 square feet or more of surface area of asbestos-containing material. 5

Asbestos Consultant and Technician Certification

Certification is required for consultants and technicians conducting asbestos sampling or planning and overseeing asbestos removal projects of 100 square feet or more of surface area of asbestos-containing construction materials. 5 See also applicable California Title 8 regulations, Section 1529(q) and Section 341.15.

Asbestos Trainers Approval

Cal/OSHA has a program for approving Asbestos Hazard Emergency Response Act (AHERA) asbestos training courses. 5

Required Notifications by Employers Regarding Carcinogens

Employers are required to notify Cal/OSHA in the following situations: 6

Carcinogen Use

The use of a carcinogen must be reported to the Asbestos and Carcinogen Unit.

• Carcinogen Reporting in accordance with Title 8 Section 5203
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• Employer Respirable Crystalline Silica (RCS) Reporting
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Carcinogen Release Incidents

Incidents involving the release of a carcinogen must be reported to:

• The Cal/OSHA Enforcement district office in Region 1, 2, 3, or 4 that serves your job location; and
• The Asbestos and Carcinogen Unit through completing item six on this online form: Carcinogen Reporting in accordance with Title 8 Section 5203 (new window)

Contact the Asbestos and Carcinogen Unit

Cal/OSHA Asbestos and Carcinogen Unit
1750 Howe Avenue, Suite 460
Sacramento, CA 95825

More information about asbestos .

• Asbestos Registrants: Check the registration status of Cal/OSHA-registered asbestos contractors & employers.
• Asbestos Information: General information, asbestos regulations, and notification rules.
• Asbestos Resources: Regulatory agencies, technical information and compliance data.

5 Labor Code sections 6501.5-6510 and 9020-9022

6 Labor Code sections 9030-9032 and 8 CCR section 5203