Federal investigators looking into last Wednesday’s industrial accident at the Tesoro refinery in Martinez, where two workers were sprayed in the face with sulfuric acid, have been denied access on their attempted return visits.
Scientists are designing a snakeskin-like protective suit that would shield its wearers against a chemical or biological attack.
A cancer-causing chemical banned more than three decades ago is turning up in baby products found nationwide.
Fremont police and fire department were called to a hazmat scene near two hospitals after a woman apparently released chemicals inside a car in an apparent suicide.
The leak was reported at a water treatment in St. Helena on Saturday afternoon.
San Francisco Police and fire crews responded to San Francisco State University where several officers were exposed to a harmful substance.