UPDATE: Leaking big rig spills 12 to 15 gallons of hydrogen peroxide

A Los Angeles County Fire Department truck moves quickly to scene. Katharine Lotze/The Signal

Firefighters with hazardous materials training were called to reports Monday of a big rig that leaked between 12-15 gallons of hydrogen peroxide.

As of 4:30 p.m. Monday, fire officials reported the chemical spilled onto the roadway, Los Angeles County Fire Department Supervisor Melanie Flores said.

The leaking truck was first noticed at 2:30 p.m. Shortly after 5 p.m., all lanes of I-5 were reopened.

The Fire Department’s HazMat units were dispatched to the northbound lanes of Interstate 5, about a mile south of Templin Highway, for reports of the leaking truck.

“We were contacted by the California Highway Patrol for a truck leaking hydrogen peroxide,” Fire Department Supervisor Melanie Flores said. Hydrogen peroxide is a colorless, unstable liquid with strong oxidizing properties, which, in its diluted form, is commonly used in disinfectants and bleaches.

The spill was dubbed by emergency-response officials as the Templin Incident.

“The spill was reported to be one gallon every five minutes,” she said. “It’s unknown if any got into the storm drain.”

The leaking big rig was reportedly hauling 4,500 gallons of hydrogen peroxide.

The CHP shut down all northbound lanes of I-5 at Lake Hughes Road, according to Caltrans officials.  

No storm drains were affected by the spill, according to Caltrans.

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