On Sunday afternoon in diamond Bar, Los Angeles, exploded the truck, a fully loaded tank with hydrogen. The incident occurred at 13:30 near the intersection of Golden springs drive and Brea Canyon road.
The County Sheriff’s office announced that during a state of emergency nobody has suffered, however, people are urged to avoid the scene in connection with the leak of dangerous westva.
#Diamondbar fire semi truck carrying hydrogen tubes.Update per @LACoFDPIO scene is static, with Evacs in surrounding business as a precaution no injury»s reported. #LASD deputies briefing @SDMLASD @WALDBLASD @INDLASD assisting with Evacs at this time pic.twitter.com/VVdwsBecZr
— LA County Sheriff’s (@LASDHQ) February 12, 2018
According to ABC7, the vehicle was carrying 20 tank cars of hydrogen with a capacity of 50 gallons.
As a precaution, authorities evacuated about 500 residents of the affected area and employees of local businesses.
Shortly before 16:00, firefighters reported that they were able to extinguish the truck, noting that crews will be cooling of the tank until, until it will erode all of the gas.
#CanyonIC in #Diamondbar fire semi truck carrying hydrogen tubes. There are no visible flames, E-119 & E-120 will continue to actively cool the tubes until remaing hydrogen is expelled. The scene is static, with Evacs in surrounding business as a precaution no injury»s reported pic.twitter.com/LlIMylJBTj
— LACounty Fire PIO (@LACoFDPIO) February 11, 2018
In connection with the situation California highway patrol blocked the entrances to Brea Canyon road.
Note that hydrogen is not toxic, but explosive in mixtures with air.