Sandy fire burns near former nuclear test site, triggering air monitoring efforts

The Sandy fire is burning near a toxic waste area in Simi Valley where a partial nuclear meltdown previously occurred. Ventura County Fire Department crews are monitoring air quality around the fire perimeter because of proximity to the Santa Susana Field Laboratory, a 2,850-acre site used for rocket engine testing and nuclear research and currently undergoing state-led cleanup. Monitoring is intended to establish background air quality so responders can compare conditions if the fire moves into the sensitive area. As of Thursday afternoon, the fire had burned 2,141 acres and was 30% contained, with some evacuation orders and warnings downgraded. Lower winds and higher humidity reduced fire behavior and the risk of spread. The Department of Toxic Substances Control is coordinating with local and federal agencies and deploying air monitors to safeguard public health. Boeing evacuated all personnel.

"The Department of Toxic Substances Control, which oversees environmental remediation of the site, said it is working closely with local and federal agencies to monitor the incident and potential impacts to communities near the laboratory site. "To ensure we are aware of any off-site impacts, the emergency response team has deployed air monitors to support response efforts and safeguard public health," the department said in a statement."

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