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Occupational Health Branch

Occupational Health Branch

The Occupational Health Branch (OHB) promotes safe and healthy workplaces for all Californians.

What's New at OHB?

Workplace Hazard Update for veterinary workers

OHB's Hazard Evaluation System and Information Service (HESIS) found high levels of the anesthetic gas isoflurane in workers' breathing zones during common veterinary procedures. There is increasing evidence that exposure to isoflurane may pose health risks, including nervous and reproductive system harm. See our Workplace Hazard Update (PDF) for guidance on protecting workers.