Paramedics treated several patients Monday after a small spill of an unidentified substance at a Northridge office building, authorities said.
HazMat crews Thursday were responding to a chemical spill in Santa Fe Springs.
An ammonia leak inside a cold storage facility in Long Beach prompted a hazardous-materials team to respond as well as the U.S. Coast Guard.
A pool service truck collided with another vehicle Tuesday morning spilling a small amount of chemicals and injuring two people.
A Moreno Valley resident was left ill after a chemical solution spill on Friday morning.
A major chemical spill at a University of Southern California campus prompted evacuations and road closures, according to the L.A. City Fire Department.
Three dock workers are in the hospital Saturday night after an industrial chemical spill on a cargo ship at the Port of Los Angeles.